12V 20Ah LiFePO₄ Battery | 256Wh Lithium Battery, 3,000+ Cycles | for RV, Solar, Off-Grid, Marine & Backup
12V 20Ah LiFePO₄ Battery | 256Wh Lithium Battery, 3,000+ Cycles | for RV, Solar, Off-Grid, Marine & Backup is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
We offer fast and reliable shipping across the continental U.S., with free shipping available on most orders (exclusions may apply based on brand and product type). Orders are typically processed within 1–2 business days and transit time is usually 4–7 business days. Larger items may ship via freight and require a scheduled curbside delivery. Please ensure your contact details are accurate at checkout. For questions about delivery timelines, shipping eligibility, or special requests, feel free to contact us directly. See Policy.
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Do You Offer Financing?
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Price Match Guarantee
Price Match Guarantee
We’re committed to offering the best online prices—if you find a lower price from an authorized retailer, we’ll beat it. Our 100% Price Beat Guarantee excludes promotions, auction sites, and exchanges, and factors in item price, tax, and shipping. For price match inquiries, contact us at (833) 932-9683
Features
Safety & Reliability
- 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
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Nominal Voltage: 12.8V
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Rated Capacity: 20Ah
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Nominal Energy: 256Wh
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Cell Chemistry: LiFePO₄
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Cycle Life: 3,000+ (70% DoD)
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Parallel Expansion: Up to 4 units (4P)
- Certifications: UL 1642, CE, UN 38.3
2. Electrical Performance & Charging
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Charging Method: CC/CV
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Max Charging Voltage: 14.4V
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Discharging Cutoff Voltage: 10.0V
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Recommended Charge Current: 10A
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Max Charge Current: 20A
- Max Continuous Discharge Current: 30A
- Maximum Peak Discharge Current: 50A (10S)
3. Environmental
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Charge Temperature: 32°F to 131°F
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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
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Terminals: M6
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Housing Material: Plastic
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Dimensions (L × W × H): 7.1 × 3.1 × 6.5 in
- Net Weight: 4.6 lbs










