Best Lifepo4 12v 300ah Lithium Deals Online in the UK (10 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
HumsiENK

New
HumsiENK 12V 300Ah LiFePO4 Lithium Leisure Battery for Home RV Solar and Marine Power with Bluetooth 3840Wh High Capacit
🔋【Long-Lasting Power: 3.84kWh & 10-Year Lifespan】 Engineered to deliver 3.84kWh of energy and over 15,000 deep cycles,

£288.88 £379.99
Best Value
Generic

New
LiFePO4 12V 300Ah Lithium leisure battery, Lithium Iron Phosphate Battery instead of car AGM or deep cycle battery, for
【Upgraded BMS】The latest 12.8V 300AH LiFePO4 battery adopts a high-level series of BMS panels, and the series-parallel c

£288.00
hxrfoak

New
12V(12.8V) 300Ah LiFePO4 Deep Cycle Battery with 200A BMS, 3840Wh Batteries for RV Solar Boat MarineTrolling motor - 150
【Safe & Stable with Latest Battery Technology】 LiFePO4 12V 300Ah batteries have exceptional quality as they are made fro

£288.00
HumsiENK

New
2 Packs HumsiENK 12V 300Ah LiFePO4 Lithium Leisure Battery for Home RV Solar and Marine Power with Bluetooth 3840Wh High
🔋【Long-Lasting Power: 3.84kWh & 10-Year Lifespan】 Engineered to deliver 3.84kWh of energy and over 15,000 deep cycles,

£559.54
EXECYC

New
12V 300Ah LiFePO4 Lithium Battery, Upgraded 200A BMS System, Up to 15000+ Cycles Life, 3840Wh Rechargeable Lithium Batte
Compact Size, Massive Power: Compact size, just 1/3 the weight of lead-acid batteries! Equipped with high-energy Grade A

£283.00
Rvpozwer

New
12V 300Ah LiFePO4 Battery Built-in 200A BMS, Deep Cycle Batteries, Grade A Lithium with Low-Temp Protection, Lithium Iro
Built-in 200A BMS Protection: Integrated 200A BMS protects lithium battery from overcharging, deep discharge, overload,

£339.99
Renogy

New
Renogy 300Ah 12V LiFePO4 Battery, Mini Size Lithium Iron Phosphate Leisure Battery with 5000+ Deep Cycles, IP 65 and BMS
【Industry-leading lightweight & Ultra-Compact Design】Weighing only 25 kg, this 12V 300Ah battery offers significant weig

£499.99
Generic

New
LiFePO4 battery 12V 300Ah lithium iron phosphate leisure battery,equipped 300A-BMS,lifespan exceeding 8 years,suitable f
【Advanced LiFepo4 Technology】 LiFepo4 batteries boast ultra-high energy density and are 70% lighter than lead-acid batte

£288.00
hxrfoak

New
(UK) 12V/12.8V 300AH LiFePO4 Deep Cycles Battery, 3840WH, 200A BMS, 15000 Deep Cycles Rechargeable Lithium Battery for H
Built-in 200A BMS Protection: Integrated 200A BMS protects lithium battery from overcharging, deep discharge, overload,

£288.00
Generic

New
12V 300Ah LiFePO4 Battery, 5000+ Deep Cycle,Rechargeable Lithium Ion Phosphate Leisure Battery with BMS,for Trolling Mot
[Excellent Performance] The advantages of LiFePO4 batteries are fast charging (0%-80% power only takes 50 minutes), stro

£288.00 £309.00

10 Lifepo4 12v 300ah Lithium deals are available from: Amazon stores, starting from £283.00.
The biggest discount we found is 10%% on HumsiENK 12V 300Ah LiFePO4 Lithium Leisure Battery for Home RV Solar and Marine Power with Bluetooth 3840Wh High Capacity Built in 100A BMS for Long Lifespan and Safe Low Temp Operation at Amazon.
The lowest price we found is £283.00 while the highest is £559.54.
Prices for the best Lifepo4 12v 300ah Lithium deals average at £341.14.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Lifepo4 12v 300ah Lithium.