Best Akku 300ah 2025

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Last Updated - 09/06/2025

Best Choice

01

Litime

LiTime 12V 300Ah LiFePO4 Lithium Battery, Built-in 200A BMS 3840Wh Energy Deep Cycle Batteries, Max 15000 Deep Cycles and 10 Year Life Perfect for Off-Grid, Motorhome, Solar System

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9.8

Exceptional

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Max. 40.96 kW capacity expansion and 61.44 kWh output energy: LiTime 12 V 300 Ah LiFePO4 battery has 3840 Wh energy and supports 2560 W load power. The lithium battery can also be switched 4 in parallel and 4 in series, allow the extension to up to 4P4S to get a 48 V (51.2 V) 1200 Ah lithium battery bank and the max. 61.44 kWh of energy (4P4S), which could be widely used for emergency power supply, off-grid systems, caravans and solar systems.
Grade A automotive cells and safe 200A BMS: LiTime 12 V 300 Ah LiFePO4 batteries have exceptional quality as they are made by automotive grade LiFePO4 cells with higher energy density, more stable performance and greater performance. Highest safety based on the UL test certificate for the cell in the battery and the integrated 200A BMS to protect the LiFePO4 battery from overcharging, over-discharge, over-current and short circuit with excellent self-discharge rate.
Delivery: LiTime has a local warehouse in Germany and France, which allows us to offer a super fast delivery of 2-4 working days in Germany and 4-7 working days in the EU. Cannot be used to start batteries in cars. Cannot be used to start batteries in cars.
100% renewable energy. Save 1/2 electricity costs: LiTime 12 V 300 Ah LiFePO4 battery offers 4000-15000 cycle time and 3840 Wh energy. This means that our 300Ah LiFePO4 battery produces 15360kWh (3840Wh x 4000 cycle time = 15360kWh) in its 10-year service life. You save 1/2 of the electricity bill compared to using the power supply. Our LiFePO4 batteries are commonly used for solar systems, RVs and outdoor activities and more.
1/3 lighter weight and double energy density: the LiTime 12 V 300 Ah LiFePO4 battery is a clear winner in terms of battery weight and energy density. It weighs only 1/3 of a comparable lead-acid battery with the same capacity, making it easy to handle and transport. In addition, the energy density of the battery is an impressive 61.14Wh/lb, which is almost twice as much as comparable lead-acid batteries that deliver only 29.53Wh/lb.

599,99 €
Value for Money

02

LANGZEIT Batterien

LANGZEIT Lead Battery 12 V 300 Ah Gel Battery Professional Lead Battery Motorhome Battery Boat Battery Solar Battery Replaces 260 Ah 280 Ah

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9.7

Exceptional

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The GEL technology has been developed for particularly demanding requirements. Thanks to GEL technology and extremely strong plates, the battery is deeply discharge-proof and ensures long-lasting and continuous current consumption, which is especially important for professional applications.
Offer with zero tax rate for private customers. Our terms and conditions apply. Battery 12 V 300 Ah with modern Langzeit gel technology is an extremely cycle-resistant high-performance battery. Capacity: 300 Ah, voltage: 12 V, dimensions: L: 523 mm x W: 269 mm x H: 227 mm, connections: internal thread M8 including screws. Weight: approx. 75 kg.
High cycle resistance and low self-discharge: the battery impresses with 30% more charge/discharge cycles than a conventional standby battery and brings more than 1800 charge/discharge cycles at 30% discharge. This battery has excellent continuous current behaviour and is suitable for particularly energy-intensive consumers. In addition, the gel battery impresses with a fast charging process due to the carbon additives and has a lower self-discharge than AGM batteries.
Completely leak-proof: the gel battery is maintenance-free sealed, tilt-proof, vibration-proof and can be installed in any position. This battery has exceptional quality features and has a constructive life of at least 10 years. The absolutely maintenance-free technology and robust sealed battery housing offer high operational safety.
Areas of application: motorhomes, solar system, supply, boat, camping, caravan, industry, emergency power supply

494,90 €
03

KEPWORTH

KEPWORTH 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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9.5

Excellent

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Many applications: the 12v 300Ah LiFePO4 lithium-ion battery 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, 12V router, backup UPS, portable TV, electric robot, RV, travel trailer/tipper and more
Automotive grade A LiFePO4 battery cells: KEPWORTH uses automotive grade A lithium iron phosphate battery cells with higher energy density, more stable performance and greater power and insists on providing the customer with an environmentally friendly green energy solution. The highest quality of the battery cell and authoritative accreditation allow ourbattery to grow as a LiFePO4 battery leader.
200A BMS protection & automotive grade A LiFePO4 battery cells: 12.8V 300Ah LiFePO4 battery with built-in 200A BMS with excellent self-discharge rate. Built-in high temperature/low temperature shutdown prevents charging/discharging when the temperature reaches a certain threshold.
12.8 V 300 Ah lithium iron phosphate battery. Features: the dimension of the 12.8 V 300 Ah battery is: L385 x W190 x H245 mm, the maximum continuous discharge current is 200 A. The inrush current is 400A within 3-5 seconds.
10 Jahre Lebensdauer, KEPWORTH ist bestrebt, den Verbrauchern einen zufriedenstellenden Service zu bieten. 5-year after-service for this 12.8V 300Ah lithium battery with responsive and satisfactory customer service. A reasonable solution will be provided within 24 hours for delivery, battery and any problem.

469,99 €
04

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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9.4

Excellent

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Since the lithium-ion battery contains no acid, you can safely mount it in any position. This makes Li-ion batteries perfect for boats, motorhomes, motorhomes, caravans and off-grid applications! PUPVWMHB provides a five year warranty on all batteries. 24 hours more friendly and professional
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
App monitoring: Our lithium battery has listened to the suggestions of many users, so we have developed a special battery with communication function so you can easily monitor the status of your battery in real time. These include current, voltage, temperature, cycle, etc. Simply download our app on the phone according to the instructions.
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.

459,00 €
05

Ingeosolly

12V 300Ah Lithium LiFePO4 Battery Deep Cycles 3840Wh Lithium Iron Phosphate Battery Built-in Intelligent BMS for Motorhome, Camping, Marine, Solar System, Home Backup Power

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9.3

Excellent

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Widely used: 300Ah lifepo4 battery is used in various fields, such as RV, trailer, emergency light, RV, solar system, trolling motor, water supply, off-grid life, home alarm, etc.
Superior performance: lithium iron phosphate batteries 12V 300Ah are made by A-grade cells with higher energy density, more stable performance and greater power.
Package: 1 x charger 1 x battery, LiFePO4 battery weights is 65.9 lbs/29.9 kg, size is 20.5 x 10.5 x 8.66 inches/520 x 269 x 220 mm
High-level waterproof: LifePo4 battery the housing passed IP66 waterproof test, starting performance even in bad weather. Permissible operating temperatures for outdoor activities range from -4°F to 140°F.
Charging method: 12 volt batteries compatible with LiFePO4 battery charger, solar charging system and generator. Ingesolly has local warehouses in the DE.

468,69 €
06

Generisch

Lifepo4 Battery 12 V 300 AH, 5000 Deep Cycle Lithium Iron Phosphate Battery, Replaces AGM Lead Acid Battery, Suitable for Motorhomes, Trolling, Boats, Solar Systems etc.

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9.1

Excellent

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Service and delivery: the warranty period of the battery is 8 years or 5000 cycles. Any defect during the warranty period will be replaced free of charge or the purchase price will be fully refunded. The batteries are shipped within the EU.
Maintenance-free, saves time and costs: After replacing the lead-acid battery with a Lifepo4 battery, no further maintenance work and no frequent battery change are required, saving a lot of time and costs. At the same time, the excellent discharge capacity of lithium iron phosphate can cause electrical devices to achieve higher performance.
Long life and light weight: lead-acid batteries have a service life of 300 to 500 cycles (2 to 3 years), while lithium iron phosphate batteries have a service life of 5000 cycles (or more than 10 years) and also 70 are lighter in weight percent.
High performance lithium battery: The Lifepo4 battery supports fast charging and can be charged to 80% in 60 minutes with a quick charger, making it convenient for emergency use. The maximum sustainable discharge current of the battery is 300A and the instant discharge current is 600A (5S). Even in a low temperature environment of -20°C, the battery has good discharge performance and capacity preservation rate.
BMS system protects battery safety: the 12 V 300 Ah lithium iron phosphate battery has an integrated fully automatic BMS protection system that can effectively protect the battery from dangerous situations such as overcharging, over-discharge, over-current, short circuit and high temperature. at the same time. The chemical properties of lithium iron phosphate materials are very stable and do not cause fires or explosion accidents.

379,00 €
07

Exakt

Exakt DCS Solar Battery, 12 V Supply for Caravans and Boats

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8.8

Very Good

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Optimised for photovoltaic systems. Ready to use, filled and charged.
Offer with zero tax rate for private customers. Our terms and conditions apply. Solar battery 280Ah - C100. New model with modern deep cycle technology (DCS - Deep Cycle Sealed).
Improved electrical conductivity. Very low self-discharge and resistant continuous current behaviour.
Closed and optimal leakage protection. High cycle solar battery (600 cycles according to DIN).
Capacity: 280 Ah - C100, voltage: 12 V, max. Charging current: 69A, dimensions (L x W x H): 513 x 274 x 242 mm, connections: normal pole | +pole left, trickle load: 13.6 V - 13.8 V, maximum charging voltage: 14.6 V - 14.8 V, weight: 60 kg. Completely maintenance-free. Reinforced grid plates for maximum cycle strength and durability.

259,90 €
08

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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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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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.

449,90 €
09

Mjbsan

Mjbsan 12 V 300 Ah LiFePO4 Car Battery with Bluetooth, Built-in 200 A BMS, 3840 Wh Deep Cycle Lithium Battery, 8000+ Cycles, Ideal for Motorhome, Solar Trailer, Boat and Camping

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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

Mjbsan Lithium battery 12 V 300 Ah built-in improved 200 A BMS, superior quality, the maximum load power of 2560 W allows us to connect several common applications at the same time, with five different protection functions against overcharging, over-discharge, overcurrent, overheating, undertemperature and short circuit of the LiFePO4 battery. Ensure the safety of use anytime and anywhere.
Mjbsan LiFePO4 battery can run 8000+ cycles (10 years lifespan), which is quite superior to lead acid battery with 200~500 cycles (3 years life). In addition, our 12 V 300 Ah lithium-ion battery weighs 26 kg, only 1/3 of the weight of a lead-acid battery with the same capacity. Besides, our lithium battery case is IP65 waterproof and you can move it with the handles on both sides, which frees you from the worry of installing indoors or outdoors.
Mjbsan Features high-quality LiFePO4 batteries with grade A+ cells for a higher energy density. UL test certificates ensure safety, lead-free, flexible installation. Ideal for motorhomes, marine, boat, fishing, camping, solar home, trolling motor and off-grid applications.
Mjbsan 12.8 V 300 Ah lithium iron phosphate battery. Features: the dimension of the 12.8 V 300 Ah battery is: L384 x W194 x H248 mm, the maximum continuous discharge current is 200 A. The inrush current is 400 A within 3-5 seconds. The weight of the lithium iron phosphate battery is 30% lighter than the lead-acid battery with the same capacity. Our LiFepo4 battery is a green battery without heavy metals and rare metals and is more environmentally friendly.
LiFePO4 battery is the perfect alternative to lead-acid batteries with higher energy density, stable performance and more power. It can also support fast charging and charging by solar panels. In addition, the latest LiFePO4 technology provides a high level of safety without explosion hazard, even in the most extreme conditions.

455,00 €
10

Generic

LiFePO4 Battery 12 V 300 Ah, Lithium Leisure Battery, Lithium Iron Phosphate Battery Instead of Car AGM Battery or Deep Cycle Battery, for Motorhome, Boat, Solar System, Outdoor Camping etc

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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

【Light weight, long service life】Compared to lead-acid batteries of the same capacity, Lifepo4 batteries are 70% lighter. Lifepo4's lifespan is more than 5,000 cycles, which is ten times the life of lead-acid batteries. It's time to hand over those bulky, remaining lead-acid batteries to a history museum.
Safe battery contains BMS: Lithium iron phosphate batteries are chemically stable and do not cause fire or explosion accidents. The battery has a built-in intelligent battery management system to prevent overcharging, over-current, short circuit and overheating. The active voltage compensation function keeps each battery cell in a constant state, effectively preventing the battery power from decreasing after a certain period of use.
Multiple applications: Lifepo4 batteries can perfectly replace the work of lead-acid batteries and provide a longer service life, stronger performance and are maintenance-free throughout the life cycle. Can be used in photovoltaic energy storage systems, RVs, electric cars, golf carts, fishing, UPSs, yachts, etc. (No replacement for AGM car batteries). Expandable to 48V 1200Ah with 4 rows and 4 parallel circuits.
Excellent service and delivery: the warranty period for the battery is 8 years. Any error during the warranty period will be replaced or the purchase price fully refunded. If you have any questions or concerns, please feel free to contact us. Our professional customer service is online 7 x 24 hours.
Battery technology of the new era: the 12 V 300 Ah Lifepo4 battery is equipped with a car battery cell that is powerful and has a maximum discharge current of 300 A (600 A immediately) and a maximum charging current of 300 A (in fast charging mode) 50 minutes). The maximum discharge depth can reach 100%.

379,00 €