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WattCycle 12V 20Ah LiFePO4 Battery | Portable Deep Cycle Lithium Battery for Camping, Fish Finder & RV
Lightweight & Portable：Only 2.05kg . It is easy to carry for camping, caravans, and outdoor use.
5000+ Cycle Lifespan：Long-lasting LiFePO4 technology designed for up to 10 years of reliable performance.
Smart Battery Protection：Built-in 20A BMS protects against overcharge, short circuit, and temperature extremes.
Perfect for Outdoor Power：Ideal for camping, caravans, fish finders, and portable off-grid energy systems.
Local UK warehouse, more details in
Shipping Policy
Our batteries come with a 5-year warranty, which can be extended to 7 years total upon product registration. Accessories are covered by a 1-year warranty, and like-new (refurbished) batteries include a 1-year warranty.
For full terms, conditions, and claim details, please visit:Warranty Policy
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Fast, Free Shipping
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Buy now, pay later
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Hassle-Free Warranty
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Lifetime Customer Support
Tech Specs
GENERAL
| Dimensions (inches) | 7.3 (L) × 3.3 (W) × 6.7 (H) |
| Weight | 2.05 kg |
| Ingress Protection Rating | IP65 |
| Warranty | 3 Years |
| Housing Material | ABS (flame-retardant plastic) |
| Terminal Type | M5 bolt terminals |
BATTERY
| Cell Type | EV-grade A+ LiFePO₄ cells |
| Nominal Voltage | 12.8V |
| Usable Capacity | 20Ah |
| Energy Capacity | 256Wh |
| Cycle Life | 5,000+ cycles @100% DoD / 6,000+ cycles @80% DoD / 15,000+ cycles @40% DoD |
| Depth of Discharge | 100% (max) |
| Expandable Configuration | 4S4P |
| Internal Resistance | ≤40 mΩ |
BMS
| Battery Management System | 20A integrated BMS |
| Max Continuous Power Output | 256W |
| Max Charge Current | 20A |
| Max Discharge Current | 20A |
CHARGING
| Charge Voltage | 14.6V ± 0.2V |
| Charging Method | CC / CV |
| Recommended Charge Current | 40A (0.2C) |
| Charge Temperature Range | 0°C to 50°C |
| Discharge Temperature Range | -20°C to 55°C |
| Storage Temperature | 0°C to 50°C |
| Low-Temperature Protection | Yes (0°C cut-off) |
| Auto Recovery | Yes (5°C restart threshold) |
FAQ
Is this battery suitable for camping and caravan use?
Yes. This battery is commonly used for fish finders, portable fishing electronics, and marine equipment thanks to its stable voltage output and lightweight design.
The battery provides over 5000 charge cycles and can last up to 10 years under normal operating conditions.
Traditional AGM batteries can be heavy and difficult to transport for outdoor use.
The WattCycle 12V 20Ah LiFePO4 battery offers a lightweight portable alternative designed for camping, caravans, and outdoor adventures.
Yes.The battery includes low-temperature protection and supports discharge temperatures from -20°C to 70°C for reliable outdoor performance.
Yes.The battery supports up to 4 batteries in series and 4 in parallel for larger off-grid and energy storage systems.
The battery weighs only 2.05kg, making it much lighter and easier to carry than traditional AGM batteries.
