12V 20Ah LiFePO4 Deep Cycle Battery with BMS & Display
12V 20Ah LiFePO4 Deep Cycle Battery with BMS & Display
DAWEIKALA 12V 20Ah LiFePO4 Deep Cycle Battery
Power your adventures with the DAWEIKALA 12V 20Ah LiFePO4 Lithium Battery — a high-performance, deep-cycle power solution built for demanding applications. Featuring a built-in 30A Battery Management System (BMS) and a convenient LED power display, this battery delivers stable, long-lasting energy for fish finders, power wheels, marine lighting, solar storage, and more.
Made in Mainland China.
Why Choose This LiFePO4 Battery?
- 4000+ Charge Cycles: Exceptional longevity — up to 4,000 cycles at 0.2C, far outlasting traditional lead-acid batteries.
- Built-in 30A BMS: Intelligent Battery Management System protects against overcharge, over-discharge, over-current, and short circuit.
- LED Power Display: Instantly check remaining battery capacity at a glance — no guesswork required.
- Lightweight & Compact: Weighing only ~1.65 kg with a compact 150mm × 80mm × 170mm footprint, it fits in tight spaces with ease.
- Wide Temperature Range: Discharges reliably from -20°C to 60°C (-4°F to 140°F) — dependable in all seasons.
- IP5 Water & Dust Resistance: Durable ABS casing offers protection against moisture and dust for outdoor and marine use.
- Certified Safe: CE, FCC, RoHS, UL, and KC certified for your peace of mind.
Full Technical Specifications
| Nominal Voltage | 12.8V |
| Nominal Capacity | 20Ah (0.2C) |
| Energy | 256Wh |
| Built-in BMS | 4S / 20A |
| Cycle Life | >4,000 cycles at 0.2C |
| Charge Voltage | 14.6 ± 0.2V |
| Suggested 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°C to 45°C (32°F to 113°F) |
| Discharge Temperature | -20°C to 60°C (-4°F to 140°F) |
| Storage Temperature | 0°C to 45°C (32°F to 113°F) |
| Water & Dust Resistance | IP5 |
| Case Material | ABS |
| Dimensions (L×W×H) | 150mm × 80mm × 170mm |
| Weight | Approx. 1.65 kg |
| Certifications | CE, FCC, RoHS, UL, KC |
Ideal Applications
- Fish Finders & Marine Electronics
- Power Wheels & Ride-on Vehicles
- RV & Camping Power Supply
- Solar Energy Storage Systems
- Trolling Motors & Marine Boats
- Outdoor Lighting Systems
- Electric Bicycles
Related Products You May Like
Explore more tools and gadgets from our store:
- 1/2" Drive 8-Piece Hex Short Socket Set – Vanadium Steel
- 10-Piece Gardening Tool Kit – Iron Head & Plastic Handle
- 10-Pc Hex Nut & Bolt Extractor Kit 9–19mm
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 for deep cycle use?
A: LiFePO4 (Lithium Iron Phosphate) batteries offer a far superior cycle life (4,000+ cycles vs. ~300–500 for lead-acid), are significantly lighter, charge faster, and maintain a more consistent voltage throughout discharge. This makes them ideal for deep cycle applications like fish finders, solar storage, and marine electronics.
Q: What does the built-in BMS do?
A: The Battery Management System (BMS) continuously monitors and protects the battery from overcharging, over-discharging, over-current draw, and short circuits — extending battery life and keeping your devices safe.
Q: What charger should I use with this 12V 20Ah LiFePO4 battery?
A: You should use a LiFePO4-compatible charger with a charge voltage of 14.6V (±0.2V) and a suggested charge current of 10A (0.5C). Standard lead-acid chargers are not recommended, as they may not terminate charging correctly for lithium chemistry.
Q: Is this battery suitable for outdoor and marine environments?
A: Yes! The battery features an IP5-rated ABS casing that provides resistance against water splashes and dust, making it well-suited for marine, fishing, and outdoor applications. It also performs reliably in a wide discharge temperature range from -20°C to 60°C.
Q: How do I read the LED power display?
A: The integrated LED power display shows the remaining charge level of the battery at a glance — simply press the indicator button (if equipped) or check the display during use to monitor your available capacity without needing any external tools.
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.