10 Best 12 Volt Marine Battery in the UK 2025
Updated on 17/07/2025
#1
Recommended
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- Voltage: 12V
- 220Ah capacity
- Dimensions with terminal: L512 x W275 x H240 mm
- Heavy duty battery for leisure and marine use
- Sealed maintenance-free design with integrated carrying handle and flame arrestor; features advanced calcium technology
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- Voltage: 12V
- 220Ah capacity
- Dimensions with terminal: L512 x W275 x H240 mm
- Heavy duty battery for leisure and marine use
- Sealed maintenance-free design with integrated carrying handle and flame arrestor; features advanced calcium technology
#2
Value for Money
10% Off
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- High energy output of 1280Wh with a weight that is one-third of traditional lead-acid batteries, making it a suitable alternative for SLA/AGM options.
- Integrated Battery Management System (BMS) protects against overcharging and over-discharging by automatically disconnecting below 10V.
- Versatile and stable for various applications including RVs, boats, camping, solar systems, and e-scooters; special lithium chargers recommended for use.
- Constructed with Grade A LiFePO4 cells and optimized internal design for enhanced compactness and performance at 100Ah capacity.
- DC HOUSE provides 3 years of customer service; support available via Amazon for battery-related inquiries.
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- High energy output of 1280Wh with a weight that is one-third of traditional lead-acid batteries, making it a suitable alternative for SLA/AGM options.
- Integrated Battery Management System (BMS) protects against overcharging and over-discharging by automatically disconnecting below 10V.
- Versatile and stable for various applications including RVs, boats, camping, solar systems, and e-scooters; special lithium chargers recommended for use.
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#3
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- 12V heavy-duty ultra deep cycle leisure marine battery
- 105Ah capacity with 740EN and 925MCA ratings
- Designed for dual purpose: starting and auxiliary power
- Dimensions: 33 x 17.2 x 24.2 cm
- Suitable for automotive applications
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- 12V heavy-duty ultra deep cycle leisure marine battery
- 105Ah capacity with 740EN and 925MCA ratings
- Designed for dual purpose: starting and auxiliary power
- Dimensions: 33 x 17.2 x 24.2 cm
- Suitable for automotive applications
#4
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- 12V high capacity with 130AH rating
- Designed for leisure marine applications
- Suitable for use in caravans and motorhomes
- Provides high power for motor movers
- Compatible with solar energy systems
- Can be used in boats for deep cycle applications
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- 12V high capacity with 130AH rating
- Designed for leisure marine applications
- Suitable for use in caravans and motorhomes
- Provides high power for motor movers
- Compatible with solar energy systems
- Can be used in boats for deep cycle applications
#5
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- 12V, 110AH capacity, 800A starting power
- Designed for leisure and marine applications
- Dual-purpose: suitable for starting and auxiliary use; maintenance-free with advanced calcium technology
- Dimensions: 354mm (L) x 175mm (W) x 190mm (H), including terminals
- Comes with a 2-year manufacturer's warranty
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- 12V, 110AH capacity, 800A starting power
- Designed for leisure and marine applications
- Dual-purpose: suitable for starting and auxiliary use; maintenance-free with advanced calcium technology
- Dimensions: 354mm (L) x 175mm (W) x 190mm (H), including terminals
- Comes with a 2-year manufacturer's warranty
#6
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- Designed for frequent charging and discharging
- Meets original equipment specifications
- Pre-charged and ready for installation
- Includes safety features like a flame arrestor and carry handle
- Offers up to 1380 watt-hours and supports 160 cycles
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- Designed for frequent charging and discharging
- Meets original equipment specifications
- Pre-charged and ready for installation
- Includes safety features like a flame arrestor and carry handle
- Offers up to 1380 watt-hours and supports 160 cycles
#7
6% Off
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- 12V voltage with a capacity of 80Ah (C20) and 510 EN cold cranking amps
- Dimensions: 270mm length, 173mm width, 222mm height (including terminals)
- Verify dimensions, polarity, and terminal type against your old battery and battery tray before purchase
- NCC verified battery with a 3-year warranty against manufacturing defects
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- 12V voltage with a capacity of 80Ah (C20) and 510 EN cold cranking amps
- Dimensions: 270mm length, 173mm width, 222mm height (including terminals)
- Verify dimensions, polarity, and terminal type against your old battery and battery tray before purchase
- NCC verified battery with a 3-year warranty against manufacturing defects
#8
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- 12V voltage with a capacity of 120AH at C100 and a cold cranking amperage (CCA) of 800A
- Dimensions: 330mm (L) x 172mm (W) x 242mm (H), including terminals; features dual terminals
- 2-year warranty; suitable for starting and auxiliary use; enhanced starting performance; ideal for leisure and marine applications; maintenance-free with advanced calcium technology
- Verify the dimensions and polarity of your old battery or battery tray before purchasing to ensure compatibility
- Remove transport plugs immediately upon receipt to prevent damage; plugs are for shipping use only
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- 12V voltage with a capacity of 120AH at C100 and a cold cranking amperage (CCA) of 800A
- Dimensions: 330mm (L) x 172mm (W) x 242mm (H), including terminals; features dual terminals
- 2-year warranty; suitable for starting and auxiliary use; enhanced starting performance; ideal for leisure and marine applications; maintenance-free with advanced calcium technology
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#9
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- Deep cycle design allows for repeated discharging and recharging.
- 12V voltage provides stable and reliable power supply.
- 100AH capacity ensures extended power availability for devices.
- Suitable for use in caravans, motorhomes, and marine applications.
- Ideal for powering boat equipment and other leisure activities.
- Maintenance-free operation eliminates the need for regular upkeep.
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- Deep cycle design allows for repeated discharging and recharging.
- 12V voltage provides stable and reliable power supply.
- 100AH capacity ensures extended power availability for devices.
- Suitable for use in caravans, motorhomes, and marine applications.
- Ideal for powering boat equipment and other leisure activities.
- Maintenance-free operation eliminates the need for regular upkeep.
#10
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- 12V 10A leisure battery charger suitable for caravans, motorhomes, marine applications, and lawnmowers
- Brand: Numax
- Type: Battery charger
- Color: Red
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- 12V 10A leisure battery charger suitable for caravans, motorhomes, marine applications, and lawnmowers
- Brand: Numax
- Type: Battery charger
- Color: Red
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