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25.6V 18Ah LiFePO4 Battery Pack
- Operating Voltage Range: 17.6V – 29.2V
- Nominal Voltage: 25.6V
- Nominal Capacity: 12Ah
- Minimum Capacity: 11.8Ah
- Rated Energy: 307.2Wh
LiFePO4 Battery Pack – 25.6V (18Ah)
The 25.6V 18Ah LiFePO₄ Battery Pack is designed for demanding applications requiring reliable, high-performance energy storage. With 460.8Wh energy, 18A continuous discharge, and a 2000-cycle lifespan, this battery is perfect for solar systems, RV setups, marine power, backup power, and other energy storage needs where compact size, safety, and efficiency are critical.
Applications:
- Solar energy storage for off-grid and hybrid systems
- RV, camper, and motorhome systems to power 12V appliances
- Marine power systems for boats, small trolling motors, and marine electronics
- UPS backup systems for homes, offices, or businesses
- Portable power stations for outdoor use
- Telecom towers and CCTV systems for remote power
- Electric mobility like e-bikes, electric scooters, and small electric vehicles
- Medical backup power systems for critical devices
Technical Specifications:
- Operating Voltage Range: 17.6V – 29.2V
- Nominal Voltage: 25.6V
- Nominal Capacity: 18Ah
- Minimum Capacity: 17.5Ah
- Rated Energy: 460.8Wh
- Maximum Continuous Discharge Power: 460.8W
- Fast Charging Voltage: 29.2V
- Standby Charging Voltage: 27.0V – 27.6V
- Floating Charging Voltage: 27.0V – 27.6V
- Discharge Low Protection Voltage: 17.6V – 20V
- Standard Charging Current: 3.6A
- Recommended Charging Current: 9A
- Maximum Charging Current: 18A
- Standard Discharge Current: 3.6A
- Maximum Continuous Discharge Current: 18A
- Internal Resistance: ≤200mΩ
- Charging Temperature: 0°C – 50°C
- Discharge Temperature: -20°C – 60°C
- Cycle Life (25°C, 80% DoD): 2000 cycles
- Cell Configuration: 8S
- Waterproof & Dustproof Rating: IP65
- Weight: ≈4.5 kg
- Product Size (L × W × H): 198 × 166 × 170 mm
Safety & Compliance:
- LiFePO₄ chemistry ensures high thermal stability and non-flammability, providing superior safety over other lithium chemistries
- Built-in Battery Management System (BMS) for protection against overcharge, over-discharge, short-circuit, and overcurrent
- IP65-rated enclosure protects the battery from dust and water, ideal for outdoor, rugged, and marine environments
- Low internal resistance for increased energy efficiency and reduced heat generation
- Wide temperature range operation from -20°C to 60°C, suitable for various environments
- Environmentally friendly, with no lead or toxic chemicals
Benefits:
- 18Ah capacity provides a 460.8Wh energy output, supporting medium power applications
- 18A continuous discharge ensures reliable performance for high-demand devices
- Fast charging with a maximum 18A current reduces charging time
- 2000-cycle lifespan offers long-term value and superior performance
- Compact design at ≈4.5 kg makes it ideal for space-constrained systems
- Stable voltage output, making it perfect for powering sensitive electronics
- Low self-discharge rate makes it an ideal choice for backup power systems
- Maintenance-free, with no need for acid, regular servicing, or corrosion protection
- More usable capacity compared to traditional AGM and lead-acid batteries
Long Life and Reliability:
- 2000+ deep cycles provide superior durability
- Performs reliably in harsh environments with IP65-rated protection
- Consistent high-power output for demanding systems
- Thermal stability minimizes risk of overheating
- Ideal for continuous use in solar, RV, marine, and backup power systems
- Efficient and long-lasting power supply for small to medium energy storage needs

What applications is the 25.6V 18Ah LiFePO₄ battery suitable for?
The 25.6V 18Ah LiFePO₄ battery is ideal for solar energy storage, RV and camper systems, marine power, backup power, telecom systems, electric vehicles, and portable power stations
What applications is the 25.6V 18Ah LiFePO₄ battery suitable for?
This battery offers a 2000+ cycle lifespan at 80% depth of discharge, meaning it can last between 5 and 7 years, depending on usage, much longer than traditional lead-acid batteries.
What charger should be used for the 25.6V 18Ah battery?
Use a LiFePO₄-compatible charger:
- Fast charging voltage: 29.2V
- Recommended charging current: 9A
- Maximum charging current: 18A
Make sure to avoid using non-LiFePO₄ chargers to prevent damage.
Can this battery be used in outdoor or marine environments?
Yes, the IP65-rated design ensures the 25.6V 18Ah LiFePO₄ battery is dustproof and waterproof, making it perfect for outdoor and marine use in harsh conditions.
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National Battery Supply is a reputable manufacturer specializing in custom battery solutions. With over 20 years of experience, we can manage all your power needs.
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