Built with A+ grade LiFePO₄ cells for superior stability and safety
Advanced BMS provides comprehensive protection, including low-temperature charging
Long Lifespan & Efficient Performance
3,000+ cycles at 70% DoD for extended service life
256Wh of stable usable energy output
Low self-discharge (≤5% per month) for better energy retention
Maintenance-free lithium technology ensures clean and efficient power
Expandable & Versatile Use
Supports up to 4 batteries in parallel (4P) for flexible system expansion
Ideal for RV, marine, off-grid, and backup power applications
Specifications
1. Battery
Nominal Voltage: 12.8V
Rated Capacity: 20Ah
Nominal Energy: 256Wh
Cell Chemistry: LiFePO₄
Cycle Life: 3,000+ (70% DoD)
Parallel Expansion: Up to 4 units (4P)
Certifications: UL 1642, CE, UN 38.3
2. Electrical Performance & Charging
Charging Method: CC/CV
Max Charging Voltage: 14.4V
Discharging Cutoff Voltage: 10.0V
Recommended Charge Current: 10A
Max Charge Current: 20A
Max Continuous Discharge Current: 30A
Maximum Peak Discharge Current: 50A (10S)
3. Environmental
Charge Temperature: 32°F to 131°F
Discharge Temperature: -4°F to 140°F
Storage Temperature: 32°F to 131°F (<1 Month) / 32°F to 113°F (>3 Months), ≤90% RH
4. Mechanical
Terminals: M6
Housing Material: Plastic
Dimensions (L × W × H): 7.1 × 3.1 × 6.5 in
Net Weight: 4.6 lbs
Frequently Asked Questions
How long does shipping take?
Orders are typically processed within 1-2 business days, and most orders are delivered within 3-7 business days. larger items shipped by freight may take longer; any extended timeframe is noted on the product page. see our shipping policy for full details.