Best Akku 300ah 2025

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Last Updated - 26.07.2025

Best Choice

01

LANGZEIT Batterien

LANGZEIT LiFePO4 280 Ah 12 V Lithium Battery Motorhome Battery Solar Battery Solar Boat Battery UPS with BMS Replaces 200Ah 300Ah

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Strong: The lithium batteries provide full power with every current take-off, unlike lead batteries. The constant high discharge current can be retrieved over the entire discharge period. The LANGZEIT LiFePO4 battery is extremely fast charging and can therefore be recharged in a short time. This battery has excellent continuous current behaviour and is ideal for several consumers at the same time.
Safe: the batteries offer a high level of intrinsic safety, even under the most extreme conditions there is no risk of explosion or fire. The battery is closed, completely maintenance-free, shake-proof and can be installed independently of any position. The built-in BMS of the LANGZEIT LiFePO4 battery provides protection against overheating, short circuits, balances the voltage in the cells and keeps the cycle stability stable high.
Offer with zero tax rate for private customers. Our terms and conditions apply. LiFePO4 280Ah 12V battery is extremely safe thanks to its battery management system. A clear advantage of the innovative LANGZEIT lithium batteries is the very high cycle stability, the useful capacity and the low weight. Capacity: 280 Ah, voltage: 12.8 V, dimensions (L x W x H): approx. 520 x 240 x 220 mm, pole arrangement: pole on the front, connections: M8 female thread with pole screws. Cycles: 8500 (30% DoD), weight: 28 kg
Durable: The LANGZEIT LiFePO4 batteries have a much higher cycle stability compared to lead-acid, AGM and GEL batteries. Our batteries have a higher capacity compared to conventional LiFePO4 batteries. The class A cells and BMS ensure consistently high performance and a 15 times longer service life compared to conventional lead-acid batteries. The constructive life of the battery is 12 years.
Areas of application: the LANGZEIT LiFePo4 batteries have been developed as a storage battery for photovoltaic systems, balcony power plants, island systems, caravans, marine, camping, caravans, UPS and emergency power supply. They are known as strong supply batteries and are particularly optimised for storing solar power.

439,90 €
02

Oasesenergy

Oasesenergy LiFePO4 12 V 300 Ah Lithium Battery Mini with 200 A BMS and 4000 ~ 15000 Cycles, 10 Year Life, 3840 Wh 12 V LiFePO4 Battery for Motorhome, Solar Panel Kit, Backup Power, Camping, Boats

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9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Wide application and economical choice: the 12 V lithium battery 300 Ah from Oasesenergy is a perfect partner for caravan trips and camping. It can be used for trolling engines and ship towboats. It can also be used as an emergency power supply or as an off-grid solar home system. It would be an indispensable battery for any family to enjoy your more environmentally friendly life.
Quality assurance and worry-free shopping: Oasesenergy has a local warehouse in the EU and we offer 5 years service and lifetime technical support. Our professional service team provides you with on-time service and online technical support 24/7.
Mini 300 Ah Lifepo4 battery: the 12 V 300 Ah lithium battery from Oasesenergy uses high-quality A cells with higher energy density, more power, more stability and more safety. The built-in high temperature and low temperature shut-off function prevents irreversible damage. It can be operated at -20°C to 55°C and charged at -5°C to 55°C.
Capacity expansion for DIY: the 12 V 300 Ah lithium battery supports parallel and series connection for larger capacity and voltage to meet your requirements. The lithium battery can also be connected 4 times in parallel and 4 times in series, which allows an extension to up to 4P4S to get a 48V (51.2V) 1200Ah lithium battery bank and the max. 61.44 kWh of energy (4P4S).
200A BMS protection: the rechargeable 12V 300Ah LiFePO4 battery from Oasesenergy is equipped with a superior 200A BMS and a class A cell, which ensures consistent and long-lasting performance. It offers 4,000 to 15,000 cycles, which is more than ten times an SLA battery. It is compact and weighs 25 kg, only 1/3 of a comparable lead-acid battery with the same capacity, which makes handling and transport easier.

389,99 €
Value for Money

03

PUPVWMHB

PUPVWMHB 12 V 300 Ah Mini LiFePO4 Lithium Battery, Bluetooth Lithium Battery, 200 A BMS, up to 15000 Cycles, Max. 3840 Wh Energy with Low Temp Cut Off, Perfect for RV, Solar, Trolling Motor

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15% Off
9.5

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Real-time monitoring: We have listened to the suggestions of many users about our lithium battery and therefore developed a special battery with communication function so you can easily monitor the status of the battery in real time. These include current, voltage, temperature, cycles, etc.
Professional customer service: Since the lithium-ion battery contains no acid, you can safely install it in any position. This makes lithium-ion batteries perfect for use at sea, in motorhomes, caravans and on off-grid applications. PUPVWMHB offers friendly and professional customer service for all batteries 24/7. Any questions, please feel free to contact us at any time
Max. 61.44 kWh, perfect for solar systems: PUPVWMHB LiFePO4 battery 12 V 300 Ah can be connected in series and parallel connection to achieve a larger capacity (max. 1200 Ah) and a higher voltage (max. 51.2 V). The max. Energy is 61.44 kWh, the max. Load capacity is 40.96 kW, which is easy for you to use anytime and anywhere, and makes LiFePO4 300Ah perfect for solar battery home system, island system, energy supply at home
Advanced technology: PUPVWMHB 12 V batteries are based on industry-leading technologies and are manufactured using advanced industrial technologies. This model 300Ah LiFePO4 has excellent and reliable performance with sufficient battery capacity, the capacity of the monomer is even greater than 80% even after 2000 cycles. Lithium 12 V can therefore be used immediately after charging regardless of the charging status.
200A BMS & Safety & Environmentally Friendliness: The stable chemical structure of lithium iron phosphate ensures that the LiFePO4 battery does not burn or explode even at high temperatures, short circuits, bumps and falls. Highest safety based on the UL test certificate for the cell in the battery. And it does not contain heavy metals and rare metals and is more environmentally friendly.

330,65 € 389,00 €(15% Off off)
04

dumfume

Dumfume 12V 300Ah LiFePO4 Lithium Battery 3840Wh 200A BMS, Max 15000 Deep Cycles and 10 Year Life Battery for Solar Energy, Motorhome, Camping

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Small size and high energy: the 12 V 300 Ah lifepo4 lithium battery weighs only 57 lbs, 1/3 the weight of a comparable lead-acid battery. Their energy density is almost twice as high as that of an equivalent lead-acid battery, with an impressive energy capacity of up to 3840Wh. Its compact design is easy to carry and install and offers maximum functionality in the smallest of spaces.
Safety: Our 12 V 300 Ah LifePO4 battery has passed certifications. Built-in battery management system (BMS) provides overcharge, over-discharge, over-current, overheating and short circuit protection. With automatic shut-off function at high/low temperature to ensure safe charging/discharging.
Note: 12V 300Ah deep cycle batteries. Under different temperature/humidity measurement methods and instruments, voltage and current may vary by 1%~5%. Charge/discharge the battery once every 6 months to avoid damage caused by not in use, and contact us if you encounter any problems during use!
Made with high-strength, shock-resistant ABS housing, our 12V 300Ah LiFePO4 batteries are characterised by heat, weather and flame resistance. With waterproof design, it guarantees stable and durable performance in harsh environments. The batteries can be connected in parallel and in series. Powerful energy expansion system for different energy needs. Ideal for home energy storage, power walls, off-grid systems, trailers, boats, fishing.
Extra long service life: 12 V 300 Ah lifepo4 battery. Made with premium lithium iron phosphate batteries, this product offers a service life of up to 10 years. It supports 4,000 cycles at 100% DOD and up to 15,000 cycles at 60% DOD, which is more cost effective than traditional lead-acid batteries (only 200-500 cycles) with significantly fewer replacements, making it the best choice for emergency power supply, alarm systems, boats, camping, caravans, solar systems, etc.

349,96 €
05

FEENCE

FEENCE 12 V 300 Ah Bluetooth LiFePO4 Battery, 200 A BMS Bluetooth Lithium Battery 12 V 300 ah, up to 15000 Cycles, Max. 3840 Wh Energy with Low Temp Cut Off, Perfect for RV, Solar, Trolling Motor

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15% Off
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Smart Lifepo4 Bluetooth 5.0: FEENCE 300Ah LiFePO4 Bluetooth 12V lithium battery has Bluetooth BMS that can scan the QR code to download the app from our manual, and you can check the SOC, read the real-time data sheet of the charge/discharge/standby status of the battery, including SOC, voltage, current, power, battery temperature, etc. You can also control the battery shut-off and discharge switch via Bluetooth for iOS and Android
Small size and high performance 300 Ah Lifepo4: FEENCE 12 V 300 Ah lithium battery with Bluetooth compared to other 12 V 300 Ah lithium batteries with the same capacity, it is smaller in size. The dimensions of the mini 12 V 300 Ah LiFePO4 battery are 15.12 inches long x 7.48 inches wide x 9.64 inches high. Lithium battery 12 V 300 Ah the excellent internal structure solution makes the Mini 12 V 300 Ah LiFePO4 battery very space-saving.
Many applications: the lifepo4 12V 300ah Bluetooth lithium battery is 25kg/55lbs weight, can be safely used in many areas: backup power supply, home energy storage system, lighting, trolling motor, fish finder, lawn mower, golf cart, boat, solar system, 12V router, backup UP, portable TV, electric robot, motorhome, travel trailer/tipper and more.
Low temperature protection function: the BMS board of the FEENCE Lifepo4 300Ah Bluetooth battery has a low temperature protection function that automatically stops charging when the temperature is below 0°C (restart charging at 5°C), and automatically stops the discharge process when the temperature is below -20°C to protect the battery and extend its service life.
Lifepo4 300 Ah 12 V BMS Bluetooth: ① BMS increases the pre-charging function to avoid the problem of inverter start when the battery capacity is not enough to start the inverter, and it can be adapted to all inverters on the market. ② BMS has a self-healing function to protect against overload, no need to disconnect the load and then reconnect the batteries. ③ Increase the level of BMS board moisture resistant and anti-salt spray, reducing the risk of board corrosion, greatly improve the performance of the battery in a humid environment.
Large energy 3840 Wh power: Feence 12.8 V 300 Ah lifepo4 bms Bluetooth battery can be recycled more than 8000 times and each LiFePO4 battery can be used for more than 10 years, which corresponds to 3 lead-acid batteries. The battery delivers a maximum continuous power of 2560 W and an energy output of 3840 Wh, with a maximum continuous charge/discharge current of 2 C (200 A) and a peak current of 400 A (3-5 S). Lithium battery 12 V 300 Ah can support up to 4 parallel and 4 serial connections and the power to 51.2 V, the max. Energy is 61.44 kWh, the max. Load capacity is 40.96 kW.

331,50 € 390,00 €(15% Off off)
06

nnh

NNH Lifepo4 330 Ah 12 V Battery with Bluetooth, Improved Lithium Battery 12 V 300 Ah with 200 A BMS, Supports 2C Discharge, 8000 Cycles Deep Cycle, Perfect for Motorhome, Caravan, Solar

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8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Super long customer service: nnh offers a 5-year warranty and a 24-hour online professional service by engineers as well as multi-channel sales. The lifepo4 12 volt battery has a stable inner chemical structure that can be stored for a long time, supports solar panel systems, cannot be used as a starting power source and is not recommended for starting engines or golf carts.
Extra long running time: It has been specially developed for motorhomes and saves 45% space and 50% weight compared to lead-acid batteries. In addition, the energy density increases to 79wh/lbs. At the same size, it has 10% more capacity than the Lifepo4 300ah Bluetooth and thus easily solves the problem of long-term power supply of different devices on outdoor trips.
Environmentally friendly and durable: it contains no heavy metals, is less environmentally harmful and easy to recycle. As with the Lifepo4 300 Ah 12 V, the unique module with balanced voltage can extend the life of the battery, with a cycle number of more than 8000 times and a battery life of more than 10 years. Charge and use at any time.
Class A+ battery cells: It uses A-class EV car battery cells, which have a higher energy density than lithium batteries with 12 V and 300 Ah, 100% higher safety, excellent voltage compensation and more stable performance and support 2C discharge. The maximum power of a single battery can reach 5.12 kW in 35 seconds.
200 A BMS and multiple protection: the integrated intelligent 200 A BMS can prevent overload, deep discharge, overcharging, short circuit and automatic shut-off at high or low temperatures and thus significantly increase safety, such as 300 Ah Lifepo4 12 V, built-in Bluetooth module, mobile phone app to display battery status and capacity in real time.

375,99 €
07

EconomiPower

EconomiPower Lifepo4 300 Ah 12 V Battery, 3840 Wh Energy Lithium Battery Built-in in 200 A BMS, Max 15000 Cycle Times and 10 Year Service Life, Ideal for Solar System, Motorhome, Power Storage,

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile applications: The Lifepo4 300Ah is perfect for a wide range of applications. Whether you need to power trolling engines, solar systems, household appliances, boats, RVs or industrial tools, the battery provides reliable and efficient performance. It can also be extended to up to 4 batteries in parallel and 4 batteries in series and offers a higher capacity (up to 1200 Ah) and a higher voltage (24 V, 36 V, 48 V)
Small Lifepo4 battery: the weight of the 12V 300Ah Lifepo4 lithium battery only 28 kg/62 lbs and sizes only L x W x H: 15 x 7.5 x 10 inches (384 x 194 x 250 mm), its weight is 50% lighter than the lead-acid battery with the same capacity. It is an ideal choice for powering outdoor campsites and easy indoor installation
Rated performance: Our 12 V 300 Ah LiFePO4 battery is equipped with grade A cells that ensure exceptional performance and long-lasting energy. With a compact 3.84 kWh (max 61.44 kW) energy capacity, it offers the same performance as 3 x 12 V 100 Ah LiFePO4 batteries. They are characterised by low self-discharge and minimal loss of capacity and achieve 50% higher continuous discharge currents than lithium batteries of the same size
Economical and friendly choice: When you choose our EconomiPower LiFePO4 battery, you not only benefit from its exceptional performance, but also contribute to a greener future. With its energy efficiency and extended life, this battery reduces the environmental impact associated with conventional batteries, making it an environmentally friendly choice
10 year life expectancy: the EconomiPower 12 V 300 Ah lithium battery is made of sheet metal for a solid battery construction. Equipped with a robust 200A battery management system (BMS), this battery is protected against possible damage caused by high temperatures, low temperatures, short circuits, overcurrent and overload. It can be deeply recycled up to 4000 ~ 150,000 times, offers up to 10 years service life

339,00 €
08

LISUATELI

LISUATELI 12V 300Ah LiFePO4 Lithium Battery, Bluetooth Integrated 200A BMS, Max. 3840Wh Power, 10 Years and 8000+ Cycles Deep Cycle Lithium Battery Perfect for Motorhome, Solar System, Trolling Motor

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17% Off
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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【Safety & Environmentally Friendly】The stable chemical structure of lithium iron phosphate ensures that the LiFePO4 battery does not burn or explode even at high temperatures, short circuits, bumps and falls. Highest safety based on UL test certificate for the cell inside the battery. And it contains no heavy metals and rare metals and is more energy efficient, cleaner and environmentally friendly, which is called green battery.
【10 year life & 1/3 lighter weight】Our LiFePO4 lithium iron batteries offer 5000+ cycles compared to 300~500 cycles for lead-acid batteries. LiFePO4 battery life is 8 to 10 times that of standard lead-acid batteries. This helps to minimize replacement costs and reduce total cost of ownership. And the weight of the lithium iron phosphate battery is 30% lighter than that of a lead-acid battery of the same capacity, so you can carry it easier.
Portability and widely used: LISUATELI lithium battery 12 V 300 Ah weighs only 25 kg, space-saving to store, easy to move and install, while lead-acid battery is usually 3 x the weight of our LiFePO4 battery. Therefore, our LiFePO4 battery is the perfect replacement for lead-acid batteries and other batteries. Suitable for RV, boat, camping, home or off-grid solar system and more. It would be an indispensable battery for any family to enjoy your green life. Friendly tips: can not be used to start batteries in cars.
Maximum 61.44 kWh energy storage solutions: LISUATELI 12.8 V 300 Ah LiFePO4 battery has 3840 Wh energy and supports 2560 W load power. Batteries support up to 4 in series and 4 parallel (max. 4S4P) to increase capacity (max. 1200 Ah) and higher voltage (max. 51.2 V). Maximum 16 batteries can be connected to get a 51.2V 1200Ah battery system with 61.44 kWh energy.
Grade A automotive cells: Our 12 V 300 Ah battery has 4 cells inside, the automotive grade cells are high density and stable, they are safe for daily use and environmentally friendly. The internal structure is very compact and provides more energy with smaller size. All batteries meet UL testing, CE, FCC, ROHS, certifications.
Bluetooth 200A BMS: The LISUATELI 12V 300Ah Bluetooth LiFePO4 battery has an integrated improved intelligent 200A BMS, Bluetooth function allows you to monitor the battery information in real time via the Bluetooth app. At the same time, the 200A BMS (battery management system) prevents it from overcharging, over-discharge, high temperatures, short circuits and over current.

362,00 € 439,00 €(17% Off off)
09

Rvpozwer

Rvpozwer 12V 300Ah LiFePO4 Battery, Built-in 200A BMS, 18000 Deep Cycles, Group 31, Lightweight Lithium Iron Phosphate Battery for Home Energy, Motorhome, Trolling Motor, Marine, Solar, Off-Grid

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8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Wide range of applications: this 12V 300Ah lithium battery with a storage capacity of 3840 Wh complies with the Group 31 standard and is suitable for powering motorhomes, drive motors, solar panels, boats, campers and off-grid systems. It can withstand extreme conditions and reliably delivers stable energy for indoor and outdoor use
Safe and reliable: lithium battery 12 V 300 Ah weighs only 25.54 kg – which corresponds to only one third of the weight of a conventional lead-acid battery – and is therefore easy to transport and install. The LiFePO4 battery has no memory effect, does not store any usage data and is environmentally friendly. Even with strong vibration, there is no risk of explosion
High-quality lithium battery cells: The LiFePO4 battery (lithium iron phosphate) made of A-class cells supports up to 18000 charging cycles and retains 80% of its capacity even after 5000 deep cycle. With an energy capacity of 3840 Wh, this deep cycle battery can provide up to 120000 kWh of electricity during its service life of 15 years. Compared to lead-acid and AGM batteries, the lithium battery offers higher efficiency and five times longer service life. In addition, the total cost of a LiFePO4 battery over 15 years is only 60% of the cost of a lead-acid battery
Easy Expandable Battery System: The Aauto battery can be extended in a 4S/4P configuration - up to 4 in series and 4 parallel - for higher capacity and voltage. The maximum capacity can be extended to 1200Ah (15.36kWh) or 51.2V. In addition, the battery supports three charging methods: a LiFePO4 charger (recommended: 14.6 V 10 A / 14.6 V 20 A), solar panels with regulator and an AC generator
Built-in 200A BMS Protection: Built-in battery management system (200A BMS) protects the lithium battery from overcharging, deep discharge, overload, overheating, short circuit and low self-discharge. The current can reach up to 230 A. When the indoor temperature drops below -20°C or exceeds 65°C, the system will automatically disconnect the battery (deviation 1-2%)

374,99 €
10

FEENCE

FEENCE LiFePO4 300Ah 12V Battery, 3840Wh Lithium Battery with 200A BMS, Max. 15000 Cycles, Perfect Replacement for Lead Acid for Motorhomes, Solar System, Boat, Solar Panel Kit, Camping

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8.0

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Smart Bluetooth 5.0: FEENCE LiFePO4 300Ah 12V lithium battery can scan the QR code to download the app and check the charge/discharge/standby status of the battery, including SOC, voltage, current, power, battery temperature, etc. directly on the Bluetooth app. You can also control the shutdown of the battery and the discharge switch via Bluetooth.
Save space for 300 Ah Lifepo4 battery: FEENCE 12 V 300 Ah LiFePO4 lithium battery. Compared to other lithium batteries 12 V 300 Ah of the same model, the size is smaller and the excellent internal structure scheme leads to a smaller size, deep cycle capacity and built-in batteries in car quality. The dimensions of the mini LiFePO4 battery with 12 V V and 300 Ah are L 15.12 inches x W 7.48 inches x H 9.64 inches. The Mini LiFePo4 300AH can also be mounted lying down, saving time in the design of wiring and space.
Many applications: the lifepo4 300ah lithium battery is 25 kg/55 lbs weight, can be safely used in many areas: emergency power supply, home energy storage system, lighting, trolling motor, fish finder, lawn mower, golf cart, boat, solar system, 12 V router, backup UPS, portable TV, electric robot, motorhome, travel trailer/tipper and multi-pack UPS, portable TV, e-robot. 1111111Trailer/tipper and more
Low temperature protection function: the BMS board of the FEENCE 12V 300Ah Bluetooth battery has a low temperature protection function that automatically stops charging when the temperature is below 0°C (restart charging at 5°C), and automatically stops the discharge process when the temperature is below -20°C to protect the battery and extend its service life.
Large energy 3840Wh power: Feence 12.8 V 300 Ah LiFePO4 battery can be recycled more than 8000 times and each LiFePO4 battery can be used for more than 10 years, which corresponds to 3 lead-acid batteries. The battery delivers a maximum continuous power of 2560 W and an energy output of 3840 Wh, with a maximum continuous charge/discharge current of 2 C (200 A) and a peak current of 400 A (3-5 S). The battery can support up to 4 parallel and 2 serial connections and increase the power to 48V 600AH.
Grade A automotive cells and safe 200A BMS: FEENCE 300Ah LiFePO4 12V lithium battery have exceptional quality as they are made of automotive grade LiFePO4 cells with higher energy density, more stable performance and greater performance. the integrated 200A BMS to protect the LiFePO4 battery from overcharging, over-discharge, over-current and short circuit with excellent self-discharge rate, maximum safety based on the UL test certificate for the cell in the battery.

365,99 €