Best 300ah Agm Leisure Battery Deals Online in the UK (10 Deals Found)

Last Updated - 02/05/2026 Sort By:

Best Choice
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New
12V 300Ah Dual Purpose AGM Battery – High CCA 2500A, 1000+ Cycle Deep Cycle Capability, Starter & Leisure Use for Marine
✅Dual Purpose Design for Starting & Deep Cycle – Engineered to act both as a powerful starter battery (2500 A cold crank

£349.98
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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
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New
12V 140Ah SuperBatt AGM1200 Deep Cycle HD Leisure Marine VRLA AGM Battery Safe Non-Spillable Caravan Motorhome Boat (130
SuperBatt AGM1200 VRLA AGM Premium Leisure Battery

£139.99
SuperBatt

New
SuperBatt AGM1100 12V 130AH (120AH 110AH 100AH) VRLA AGM Ultra Deep Cycle Battery - Fully Sealed No Spill - Leisure Mari
Voltage: 12V ; Capacity: 130Ah @C100 ; CCA: 800A

£124.99
Best Value
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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
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New
lithium iron phosphate leisure battery 12V 300Ah LiFePO4 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
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New
LiFePO4 battery 12V 300Ah Lithium leisure battery, Lithium Iron Phosphate Battery for solar energy storage, emergency po
【Extend 10 Times Lifespan】Lifepo4 battery has the advantages of super long service life, high energy density, no fire, n

£288.00
15% Off
Renogy

New
Renogy 300Ah 12V LiFePO4 Battery, Lithium Leisure Battery with Self-heating Function, 5000+ Deep Cycles, IP 65 and BMS P
【Next-Gen Lightweight Design】By redesigning the integrated cells, the latest version is 12% lighter than Gen 1. That’s l

£479.99 £563.41
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New
15KWH liFePO4 battery 48V 300Ah lithium iron phosphate leisure battery,equipped 300A-BMS,lifespan exceeding 8 years,suit
【Advanced LiFepo4 Technology】LiFepo4 batteries boast ultra-high energy density and are 70% lighter than lead-acid batter

£1,099.00
Predator Batteries

New
Predator Batteries 12V 300Ah DPX Dual Purpose AGM Battery – High-Capacity Cranking & Deep-Cycle VRLA AGM, Twin Stud & Au
Dual Purpose AGM Battery: Engineered to deliver both reliable engine-starting power and deep-cycle performance for runni

£349.98

10 300ah Agm Leisure Battery deals are available from: Amazon stores, starting from £124.99.
The biggest discount we found is 15% on Renogy 300Ah 12V LiFePO4 Battery, Lithium Leisure Battery with Self-heating Function, 5000+ Deep Cycles, IP 65 and BMS Protection, Support 4S4P Connection for Caravan and Off Grid System at Amazon.
The lowest price we found is £124.99 while the highest is £1,099.00.
Prices for the best 300ah Agm Leisure Battery deals average at £369.59.
Last updated on May 2, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for 300ah Agm Leisure Battery.