12V 20Ah LiFePO4 Deep Cycle Battery – 30A BMS & Display
12V 20Ah LiFePO4 Deep Cycle Battery – 30A BMS & Display
DAWEIKALA 12V 20Ah LiFePO4 Deep Cycle Lithium Battery
Power your adventures and essential equipment with the DAWEIKALA 12V 20Ah LiFePO4 deep cycle lithium battery. Built with an integrated 30A Battery Management System (BMS) and a convenient LED power display, this compact and lightweight battery delivers dependable, long-lasting energy for a wide range of 12V applications — from fish finders and trolling motors to solar storage, RVs, marine boats, power wheels, and lighting systems.
With an impressive cycle life of over 4,000 charge/discharge cycles, LiFePO4 chemistry offers superior stability, efficiency, and longevity compared to traditional lead-acid batteries — making it a smart long-term investment for both recreational and off-grid power needs.
Made in China.
Key Features
- High Capacity & Energy: 20Ah nominal capacity (256Wh) at 12.8V nominal voltage for extended run times.
- Built-in 30A BMS: 4S20A Battery Management System protects against overcharge, over-discharge, over-current, and short circuits for safe, worry-free operation.
- LED Power Display: Instantly check remaining charge at a glance with the integrated power indicator.
- Exceptional Cycle Life: Rated for over 4,000 cycles at 0.2C — far outlasting conventional batteries.
- Wide Temperature Range: Charges from 0°C to 45°C (32°F to 113°F); discharges from -20°C to 60°C (-4°F to 140°F).
- IP5 Water & Dust Resistance: Durable ABS housing provides protection in outdoor and marine environments.
- Lightweight & Compact: Weighs only ~1.65kg with a compact footprint (L150mm × W80mm × H170mm) for easy installation anywhere.
- Versatile Compatibility: Ideal for fish finders, trolling motors, electric bicycles, RVs, marine vessels, solar power storage, lighting, power wheels, and more.
- Multiple Certifications: CE, FCC, RoHS, UL, and KC certified for quality and safety assurance.
Full Technical Specifications
| Nominal Voltage | 12.8V |
| Nominal Capacity | 20Ah (0.2C) |
| Energy | 256Wh |
| Built-in BMS | 4S20A |
| Cycle Life | >4,000 cycles at 0.2C |
| Charge Voltage | 14.6 ± 0.2V |
| Recommended Charge Current | 0.5C (10A) |
| Max Discharge/Charge Current | 20A |
| Max Pulse Current | 40A (<3 seconds) |
| Discharge Cut-off Voltage | 10.0V |
| Charge Temperature | 0 to 45°C (32 to 113°F) |
| Discharge Temperature | -20 to 60°C (-4 to 140°F) |
| Storage Temperature | 0 to 45°C (32 to 113°F) |
| Water & Dust Resistance | IP5 |
| Case Material | ABS Plastic |
| Dimensions (L×W×H) | 150mm × 80mm × 170mm |
| Weight | Approx. 1.65kg |
| Certifications | CE, FCC, RoHS, UL, KC |
| Country of Origin | Made in China |
Compatible Applications
- Fish Finders & Sonar Devices
- Trolling Motors
- Marine & Boat Systems
- Solar Power Storage
- Electric Bicycles & EVs
- RVs & Campervans
- Power Wheels & Ride-On Toys
- Outdoor & Emergency Lighting
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Learn more: EPA guidance on lithium-ion battery handling
Frequently Asked Questions
Q: What is a LiFePO4 battery and why is it better than lead-acid?
A: LiFePO4 (Lithium Iron Phosphate) is a type of lithium battery chemistry known for its outstanding thermal stability, long cycle life (4,000+ cycles), and lightweight design. Compared to traditional lead-acid batteries, it offers significantly more usable capacity, a longer lifespan, faster charging, and a much lighter weight — making it ideal for marine, solar, and mobile power applications.
Q: What charger should I use with this 12V 20Ah LiFePO4 battery?
A: Use a dedicated LiFePO4-compatible charger with a charge voltage of 14.6V (±0.2V). The recommended charge current is 10A (0.5C). Do NOT use a standard lead-acid charger, as incorrect charging voltage can reduce battery performance and longevity.
Q: Can this battery be used in series or parallel to increase voltage or capacity?
A: Yes. Multiple batteries can be connected in parallel to increase total capacity (Ah) while maintaining 12V, or in series to increase voltage. Ensure all batteries are of the same model, capacity, and state of charge before connecting, and consult a qualified technician if you are unsure about your wiring setup.
Q: Is this battery safe for marine and outdoor use?
A: Yes. The battery features an IP5-rated ABS housing that provides protection against water splashes and dust ingress, making it well-suited for marine, boating, and outdoor environments. Always store and operate within the specified temperature ranges for best performance.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.