10 Best 12v 300ah Lithium Battery in the UK 2025
Updated on 12/08/2025
#1
Recommended
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- Lightweight design at just 25 kg, 57% lighter than a 12V 200Ah lead-acid battery, optimizing space with a compact size of 384 x 194 x 253 mm.
- Equipped with a 200A Battery Management System (BMS) for protection against overcharging, low temperatures, and other potential issues, enhancing durability in low-temperature conditions.
- Constructed with Grade-A prismatic cells to ensure safety and longevity, supporting over 5,000 cycles at 80% depth of discharge (DOD) and lasting over a decade.
- Includes a 5-year service plan and certified safety standards, ensuring reliability with multiple safety certifications for various uses, including marine applications.
- Provides 3840Wh real storage capacity, capable of powering 1 kWh devices for nearly 4 hours, and supports configurations for higher capacity battery systems, suitable for various off-grid applications.
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- Lightweight design at just 25 kg, 57% lighter than a 12V 200Ah lead-acid battery, optimizing space with a compact size of 384 x 194 x 253 mm.
- Equipped with a 200A Battery Management System (BMS) for protection against overcharging, low temperatures, and other potential issues, enhancing durability in low-temperature conditions.
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#2
Value for Money
14% Off
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- Upgraded BMS technology enhances performance with robust protection against overcharging, discharging, overcurrent, short circuits, and temperature extremes.
- LiFePO4 batteries offer a long lifespan and high energy density without the fire risk associated with traditional batteries, reducing maintenance needs and replacement frequency.
- This 3840Wh LiFePO4 battery is versatile, suitable for use in RVs, electric vehicles, solar energy storage, and emergency power applications.
- Allows for scalable configurations, supporting up to 4 batteries in series or parallel for increased capacity and voltage consistency, with a maximum voltage difference of 0.1V between units.
- Backed by a 5-year warranty, with options for replacement or full refund for any failures, along with 24/7 customer support for queries.
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- Upgraded BMS technology enhances performance with robust protection against overcharging, discharging, overcurrent, short circuits, and temperature extremes.
- LiFePO4 batteries offer a long lifespan and high energy density without the fire risk associated with traditional batteries, reducing maintenance needs and replacement frequency.
- This 3840Wh LiFePO4 battery is versatile, suitable for use in RVs, electric vehicles, solar energy storage, and emergency power applications.
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#3
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- Lightweight design for easy transport and installation, weighing only 61.07 pounds, significantly lighter than lead-acid alternatives.
- High-quality LiFePO4 cells provide 3.84KWh energy density with exceptional cycle performance and fast charging capabilities.
- Equipped with a 200A Battery Management System (BMS) that ensures safety by protecting against overcharging, overheating, and short circuits while maintaining voltage balance.
- Expandable configuration supports series and parallel connections for increased capacity, with a maximum output of 61.44KWh.
- Long lifespan of over 10 years with 15,000+ charge cycles, offering greater longevity compared to traditional lead-acid batteries.
- Versatile applications for motorhomes, marine use, electric scooters, and off-grid solar systems.
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- Lightweight design for easy transport and installation, weighing only 61.07 pounds, significantly lighter than lead-acid alternatives.
- High-quality LiFePO4 cells provide 3.84KWh energy density with exceptional cycle performance and fast charging capabilities.
- Equipped with a 200A Battery Management System (BMS) that ensures safety by protecting against overcharging, overheating, and short circuits while maintaining voltage balance.
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#4
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- Integrated 200A BMS for protection against overcharging, deep discharge, overload, overheating, short circuits, and low self-discharge, with automatic shutdown at extreme temperatures and voltage limits.
- Lightweight 12V 300Ah LiFePO4 battery (25.54kg) enables easy installation and movement; suitable for various orientations without leakage risk, and environmentally friendly with no memory effect.
- Constructed with Grade A lithium cells, offering over 15 years of lifespan, 18000 cycles, and 80% capacity retention after 5000 deep cycles, providing high efficiency compared to lead-acid batteries.
- Expandable up to 4 in series and parallel for increased capacity (max 1200Ah) and voltage (51.2V); compatible with multiple charging methods, including specialized chargers and solar panels.
- Versatile 12V lithium battery with 3840Wh capacity, suitable for diverse applications such as RVs, marine use, electric vehicles, and backup power systems.
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- Integrated 200A BMS for protection against overcharging, deep discharge, overload, overheating, short circuits, and low self-discharge, with automatic shutdown at extreme temperatures and voltage limits.
- Lightweight 12V 300Ah LiFePO4 battery (25.54kg) enables easy installation and movement; suitable for various orientations without leakage risk, and environmentally friendly with no memory effect.
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#5
6% Off
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- Equipped with a 200A Battery Management System (BMS) providing six layers of safety: protections against overvoltage, overcurrent, overload, short circuit, temperature fluctuations, and overcharging, enhancing battery lifespan and reliability.
- Compact deep cycle design offers lightweight portability and supports 5,000 to 15,000 charging cycles with a lifespan of up to 10 years, surpassing conventional lithium batteries while delivering stable performance.
- Supports parallel and series connections, enabling configurations for higher capacities (up to 1200Ah) and voltages (up to 51.2V) to accommodate diverse energy demands through multiple battery linking.
- Built with automotive-grade lithium iron phosphate cells and durable ABS casing for IP65 water resistance, maintaining performance in temperatures ranging from -20°C to 65°C and ensuring ease of transport and maintenance.
- Ideal for various applications such as off-grid solar and backup power systems, making it suitable for marine, camping, and outdoor broadcasting needs.
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- Equipped with a 200A Battery Management System (BMS) providing six layers of safety: protections against overvoltage, overcurrent, overload, short circuit, temperature fluctuations, and overcharging, enhancing battery lifespan and reliability.
- Compact deep cycle design offers lightweight portability and supports 5,000 to 15,000 charging cycles with a lifespan of up to 10 years, surpassing conventional lithium batteries while delivering stable performance.
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#6
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- LiFePO4 batteries offer fast charging capabilities, reaching 80% power in just 50 minutes, with a wide temperature range of -4℉ to 140℉. They have a lifespan exceeding 10 times that of lead-acid batteries and can undergo over 5,000 deep cycles, significantly reducing weight and maintenance costs.
- Equipped with an advanced Battery Management System (BMS), this battery ensures protection against overcharging, over-discharging, overcurrent, short circuits, and high temperatures. The BMS also balances the voltage between cells for enhanced longevity.
- These 12.8V lithium batteries can be configured in series or parallel, allowing for the creation of up to a 48V1200AH battery pack. Ensure battery voltage differences are within 0.1V before connections, which can be achieved by separate charging.
- This 300AH lithium battery is versatile, suitable for use in RVs, boats, campers, electric scooters, golf carts, backup power systems, solar energy setups, and off-grid applications.
- A UK-based service center provides reliable logistics support and customer service for any inquiries or concerns.
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- LiFePO4 batteries offer fast charging capabilities, reaching 80% power in just 50 minutes, with a wide temperature range of -4℉ to 140℉. They have a lifespan exceeding 10 times that of lead-acid batteries and can undergo over 5,000 deep cycles, significantly reducing weight and maintenance costs.
- Equipped with an advanced Battery Management System (BMS), this battery ensures protection against overcharging, over-discharging, overcurrent, short circuits, and high temperatures. The BMS also balances the voltage between cells for enhanced longevity.
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#7
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- Advanced BMS protection with six safety functions to ensure stability and extend battery life.
- Compact and lightweight design allows for easy transportation and installation, with a lifespan of up to 10 years and thousands of charge cycles.
- Supports various configurations for higher capacity and voltage, enabling up to 1200Ah battery systems.
- Constructed from automotive-grade materials with IP65 water protection, designed for extreme temperatures and outdoor conditions.
- Versatile applications include solar energy systems, marine power supply, and portable energy solutions for camping and outdoor activities.
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- Advanced BMS protection with six safety functions to ensure stability and extend battery life.
- Compact and lightweight design allows for easy transportation and installation, with a lifespan of up to 10 years and thousands of charge cycles.
- Supports various configurations for higher capacity and voltage, enabling up to 1200Ah battery systems.
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#8
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- Comprehensive solution for solar power systems, including solar panels, charge controllers, inverters, and batteries to ensure compatibility and easy installation.
- Features a 200W self-heating system for the Renogy 12V 300Ah LiFePO4 Battery, allowing for reliable charging in temperatures as low as -4℉ (-20℃).
- Flexible configuration options for series, parallel, or series-parallel setups, supporting expansion up to 16 units for a total capacity of 61.44kWh (4P4S, 51.2V 1200Ah).
- Equipped with a robust 200A battery management system (BMS) for managing high discharge rates and includes a low-temperature cut-off to maintain safety and performance.
- Provides responsive customer support for sizing and installation queries, with a 5-year limited warranty included.
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- Comprehensive solution for solar power systems, including solar panels, charge controllers, inverters, and batteries to ensure compatibility and easy installation.
- Features a 200W self-heating system for the Renogy 12V 300Ah LiFePO4 Battery, allowing for reliable charging in temperatures as low as -4℉ (-20℃).
- Flexible configuration options for series, parallel, or series-parallel setups, supporting expansion up to 16 units for a total capacity of 61.44kWh (4P4S, 51.2V 1200Ah).
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#9
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- LiFePO4 batteries charge quickly, reaching 80% in just 50 minutes, and are adaptable to a wide temperature range (-4℉ to 140℉). They have a lifespan exceeding 10 years and can endure over 5,000 deep cycles, while also being 70% lighter than lead-acid batteries.
- The built-in Battery Management System (BMS) safeguards against overcharging, over-discharging, overcurrent, short circuits, and high temperatures, along with providing automatic voltage balance for long-lasting performance.
- These 12.8V lithium batteries can be connected in series and parallel for capacity expansion, allowing for configurations up to a 48V1200AH battery pack, provided the voltage difference is within 0.1V before connection.
- The 300AH lithium battery is versatile, suitable for use in RVs, boats, campers, electric scooters, golf carts, and as backup power for solar and off-grid applications.
- For shipping and support, a service center in the UK offers reliable logistics and assistance for any inquiries.
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- LiFePO4 batteries charge quickly, reaching 80% in just 50 minutes, and are adaptable to a wide temperature range (-4℉ to 140℉). They have a lifespan exceeding 10 years and can endure over 5,000 deep cycles, while also being 70% lighter than lead-acid batteries.
- The built-in Battery Management System (BMS) safeguards against overcharging, over-discharging, overcurrent, short circuits, and high temperatures, along with providing automatic voltage balance for long-lasting performance.
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#10
15% Off
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- Low Temperature Cut-Off Protection activates at temperatures below 32℉ for charging and -7.6℉ for discharging, ensuring optimal battery safety and longevity.
- Can be recharged over 4000 times, with a lifespan reaching up to 15,000+ cycles, significantly outlasting traditional lead-acid batteries.
- Features high energy density with a built-in BMS for protection against overcharging, over-discharging, over-current, and short circuits, allowing for up to one year of maintenance-free storage.
- No memory effect ensures consistent performance and reliability over time, making it a dependable energy source.
- Acid-free design allows for safe mounting in any position, suitable for diverse home applications.
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- Low Temperature Cut-Off Protection activates at temperatures below 32℉ for charging and -7.6℉ for discharging, ensuring optimal battery safety and longevity.
- Can be recharged over 4000 times, with a lifespan reaching up to 15,000+ cycles, significantly outlasting traditional lead-acid batteries.
- Features high energy density with a built-in BMS for protection against overcharging, over-discharging, over-current, and short circuits, allowing for up to one year of maintenance-free storage.
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