Best Akku 300ah 2026

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Last Updated - 03.02.2026

Best Choice

01

FEENCE

FEENCE Mini LiFePO4 12 V 330 Ah Lithium Battery, 200 A BMS Car Battery, Bluetooth Lithium Battery, up to 15000 Cycles, Max. 4224 Wh Energy with Low Temp Cut Off, Perfect for RV, Solar, Trolling Motor

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9.8

Exceptional

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Main highlights

WIDELY USED Since the lithium ion battery does not contain acid, you can mount it securely in any position. This makes Li-ion batteries perfect for boats, motorhomes, motorhomes, caravans and off-grid applications! FEENCE provides a five year warranty on all batteries. 24 hours more friendly and professional
Max. 67.58 kWh reinforced energy: FEENCE LiFePO4 battery 12 V 330 Ah can be connected in series and parallel connection to achieve a larger capacity (max. 1320 Ah) and a higher voltage (max. 51.2 V). The max. Energy is 67.58 kWh, the max. Load capacity is 40.96 kW, which is easy for you to use anytime and anywhere, and makes LiFePO4 330Ah perfect for solar battery home system, island system, energy supply at home
Long Lifespan: 330Ah LiFePO4 12V 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. Provides 4000-15000 cycles for a long service life. The maximum discharge current is 2C. Please use a 14.2V-14.6V LIFEPO4 charger.
Built-in 200 A BMS: Feence lithium battery 12 V 200 Ah. Built-in improved 200 A BMS to protect it from overcharging, over-current, overheating and short circuit with excellent self-discharge rate to ensure the safety level of the LiFePO4 battery and optimise the performance of the 12 V battery. Bluetooth chip that can monitor the capacity, resistance and voltage of the battery at any time via the mobile phone. Maximum safety through UL test reports for the cells inside the battery and improved BMS.
Bluetooth app: Feence 12 V 330 Ah LiFePO4 battery with Bluetooth app supports mobile phone to query the lithium battery voltage, current, capacity, etc. It improves the real-time monitoring function and receives different data (SOC) from lithium iron phosphate battery while using it for charging or discharging. Max. Discharge current is 200 amps, the max. Discharge peak is 400A (5 seconds).

342,00 €
Value for Money

02

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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9.5

Excellent

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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.

328,00 €
03

Mehrpow

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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9.4

Excellent

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Main highlights

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: 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: 12 V battery is 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.
200 A BMS and safety and 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 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.

319,00 €
04

HumsiENK

Humsienk 12 V 300 Ah Bluetooth LiFePO4 Battery with Integrated 100 A BMS, 3840 Wh Deep Cycle Lithium Battery, Low Temperature Protection, Perfect for Motorhomes, Trolling Motors, Yachts, Boats

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9.3

Excellent

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Upgraded 100A BMS & Low Temperature Shutdown:The high quality 100A BMS (battery management system) provides protection against overcharge, over-discharge, over-current and short circuit, ensuring long-term safety and stability. The low temperature shutdown also ensures safe use in low temperature environments. This battery provides worry-free and long-lasting performance with extended life and can be used for solar, wind and tidal power, etc. We are committed to an environmentally friendly society.
Upgrade to Bluetooth App Monitoring - HumsiENK LiFePO4 12V 300Ah intelligent lithium battery has an upgraded version of the built-in intelligent BMS connected to the Bluetooth 5.0 module. So you can monitor battery parameter information in real time via the app. You can read important information such as battery voltage, current, battery capacity, etc. at any time. Bluetooth connection distance: maximum 15 meters away from the battery.
Scalable energy storage up to 61.44 kWh: supports 4S4P configurations and enables up to 51.2V 1200Ah and a massive energy system at 61.44kWh. This scalable lithium-ion battery is perfect for home solar storage, marine operation, emergency power supply, motorhomes and sea voyages as well as off-grid applications and can easily meet high energy requirements.
Lighter and space-saving: the dimensions of the HumsiENK 12V 300Ah Bluetooth battery are 595 x 315 x 300 mm. Thanks to its high energy density, this battery has twice the usable capacity of lead-acid batteries and is 40% lighter, so you can easily carry it. Weighing only 28 kg, it offers high performance while saving space.
Class A+ Battery & Triple Energy Density: Humsienk selects Class A prismatic LiFePO4 battery cells for electric vehicles with a four-cell series circuit to ensure high density and consistency when using the LiFePO4 battery. It is three times denser and three times lighter than the lead-acid battery and offers long-lasting performance compared to other batteries, which is more portable and user-friendly.
3.84KWh & 10 YEARS LIFE - Humsienk 12.8V 300Ah LiFePO4 battery has a lifespan of up to 10 years, lasting 30 times longer than standard lead-acid batteries. Fully charged, a LiFePO4 battery delivers 3.84 kWh of energy. It reaches over 15,000 deep discharges. At the same time, the case is drop and shock resistant.

297,49 €
05

dumfume

Dumfume 12 V 300 Ah Lithium Battery - LiFePO4 Battery, 200 A BMS Rechargeable 3840 Wh 15000+ Cycles, Cold Protection, Ideal for Photovoltaics, Emergency Power, Motorhome

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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

Wide temperature range, low self-discharge: the deep cycle battery works reliably from -20 °C to 70 °C with a monthly self-discharge below 3%. Maintenance-free and ideal for outdoor adventures and emergency power supply.
Ultra-high performance, extremely durable: the DUMFUME 12 V 300 Ah LiFePO4 battery uses automotive grade cells, offers an enormous energy capacity of 3840 Wh and 95% discharge depth. It lasts over 4000 charge cycles (80% capacity retention), weighs only 26 kg and has a 10x longer life than lead-acid batteries. The perfect solution for solar systems, motorhomes and island systems.
Service note: Depending on the measurement method, voltage/current may vary by 1%-5%. Store the battery at 50% charge and recharge it every 6 months to avoid deep discharge. Our customer service is available if you have any questions.
Flexible expandability, 4S4P configuration: this lithium battery supports up to 4 series and 4 parallel circuits for a large 48 V/1200 Ah storage system. Ideal for solar power systems, commercial energy storage and large motorhomes. Perfect for off-grid applications and emergency power supply.
200 A intelligent BMS with all-round protection: integrated 200 A battery management system ensures complete protection against overcharging, deep discharge, over-current, short circuit and extreme temperatures. Combined with a flame retardant housing, it is ideal for demanding environments such as boats and campers - for absolutely worry-free operation.

309,96 €
06

CYCCLEVOLT

Lithium Battery 12 V 300 Ah, CYCCLEVOLT 3840 Wh Rechargeable LiFePO4 Battery, Built-in 200 A BMS, Lithium Battery Power Output 2560 W, Up to 15000+ Cycles for Solar Boats Motorhomes Off-Grid

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8.9

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

Versatile applications as long as you can imagine. The CYCCLEVOLT 12V LiFePO4 battery can be connected in parallel and in series to achieve larger capacities (up to 1200 Ah) and higher voltages (24 V, 36 V, 48 V). This makes it ideal for a wide range of applications including household energy storage systems, UPS fuses, lighting, outdoor surveillance cameras, portable TVs, electric vehicles, DIY speakers, 12V routers, air pumps, fish finders, trolling engines, motorhomes, houseboats, caravans, dump trailers and much more.
More than 5,000 charging cycles: our 12 V 300 Ah LiFePO4 batteries last more than 5,000 cycles at 100% discharge depth (DoD) and up to 8,000 cycles at recommended 60% DoD without loss of performance. In comparison, lead-acid batteries usually only create about 500 cycles (approx. 2 years) at 60% discharge. This means that LiFePO4 batteries last at least five times longer, significantly reducing overall costs.
Intelligent BMS protection: our 12 V 300 Ah lithium battery has an integrated 200 A battery management system (BMS), which protects against overcharging, deep discharge, over-current and short circuit and has a very low self-discharge. It also includes temperature protection with shut-off at over 70°C (158°F) and below -20°C (-4°F). The BMS supports series and parallel circuits, whereby we recommend limiting the series connection to a maximum of 4 batteries.
High-quality class A battery cells: the CYCCLEVOLT 12 V 300 Ah LiFePO4 battery is made with high-quality LiFePO4 generation 2 cells, which provide higher energy density, improved safety and greater capacity. This 300Ah LiFePO4 battery can be charged over 10,000 times and has a service life of up to 10 years. Compared to other LiFePO4 batteries, the improved, compact design with dimensions of only 52 x 24 x 21 cm and a weight of 26 kg is particularly space-saving for your car.
Full capacity of 100%: Our LiFePO4 battery offers a usable capacity of 100%, while lead-acid batteries usually deliver only 60% to 80%. The 12V LiFePO4 battery features a flat discharge curve that holds up to 90% of the capacity a voltage of over 12.8V. This allows for a significantly longer run time than the 60% lead acid batteries provide. The stable output voltage also helps extend the life of your devices.

279,00 €
07

SaiJiaoYang

SaiJiaoYang Pack of 4 3.2 V 280 Ah LiFePO4 cells, 300 Ah 314 Ah deep cycle lithiun batteries, class A, perfect for boat, motorhome, golf, off-grid (3.2 V 280 Ah)

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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

Wide range of applications: suitable for solar energy storage systems, caravans, electric boats, camping equipment, off-grid power supply, standby power and other scenarios to meet the energy consumption needs of household, outdoor and industry.
Safe and stable lithium iron phosphate technology: Adopting LiFePO4 chemical material, it has excellent thermal stability and safety, no memory effect, low self-discharge rate, environmental protection and no maintenance.
LIGHTWEIGHT DESIGN & SPACE SAVING Lighter weight and smaller size than traditional lead-acid batteries, easy to carry and install while providing higher energy density and longer life.
High performance and long service life: This LiFePO4 cell has a large capacity of 3.2 V 280 Ah and supports a service life of 6000-10000 cycles (depending on the discharge depth), which is much longer than conventional lead-acid batteries.
ECO-FRIENDLY, ENERGY SAVING & COST - Made of environmentally friendly and non-toxic materials, it supports efficient charging and discharging and greatly reduces long-term operating costs, making it an ideal choice for green energy solutions.

254,99 €
08

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

289,00 €
09

WERCHTAY

WERCHTAY 12V 300Ah LiFePO4 Battery, 12V Lifepo4 Rechargeable with 200A BMS and Low Temperature Protection, 18000 Deep Cycle, 3840Wh Lithium Battery for Motorhomes, Golf Carts, Off-Grid, Solar Panel

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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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Main highlights

With low temperature protection includes: LiFePO4 12 V 300 Ah with 200 A BMS low temperature protection, if the ambient temperature falls below -20 °C or exceeds 65 °C. The BMS will start low temperature protection and at the same time protect the battery from overtemperature, overcurrent, overvoltage, overload and short circuit to maintain a better operating condition
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 usage data and is environmentally friendly. Even with strong vibration, there is no risk of explosion
Car battery: lithium battery uses modern technology for reliable performance and sufficient capacity. The car battery supports up to 4 battery systems in series or parallel and is ideal for electrical energy storage. The stable chemical structure of lithium iron phosphate ensures that the LiFePO4 battery does not burn or explode even in high temperatures, short circuits, bumps and drops, which significantly improves safety
15 years service life: the 12 V 300 Ah lithium battery uses a class A battery cell, which has passed the UN38.3, CE test certification and has the highest safety level. Lifepo4 battery offers 18000 cycles and 3840Wh energy, which can produce 15360kWh in its 15-year service life, and retain 80% of capacity after 5000 deep cycles. Each lithium battery can be operated for more than 15 years, which is more than eight times longer compared to lead-acid batteries

325,99 €
10

dumfume

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

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8.3

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

Small size and high energy: the 12 V lifepo4 300 Ah 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 300 Ah lifepo4 12 V 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, solar energy storage, power walls and off-grid systems.
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, camping, caravans, solar systems, etc.

315,96 €