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12.8V 100Ah LiFePO4 Battery Pack
Operating Voltage Range: 8.8V – 14.6V
Nominal Voltage: 12.8V
Nominal Capacity: 100Ah
Minimum Capacity: 98Ah
Rated Energy: 1280Wh
LiFePO4 Battery Pack – 12.8V (100Ah)
The 12.8V 100Ah LiFePO4 Battery Pack is a high-performance, deep-cycle lithium battery engineered for applications that require strong power output, fast charging, and exceptional long-term reliability. Offering 1280Wh energy, 100A continuous discharge, and a long 4000-cycle life, it is ideal for solar storage, RV and marine systems, heavy-duty equipment, and backup power.
Applications:
- Solar energy storage (off-grid / hybrid systems)
- RVs, caravans, motorhomes & van conversion systems
- Marine applications, trolling motors & navigation systems
- UPS backup and home emergency power
- Industrial equipment, robotics & automation
- Portable power stations & field equipment
- Medical devices and mobility equipment
- Surveillance, telecom & remote monitoring systems
Technical Specifications:
- Operating Voltage Range: 8.8V – 14.6V
- Nominal Voltage: 12.8V
- Nominal Capacity: 100Ah
- Minimum Capacity: 98Ah
- Rated Energy: 1280Wh
- Maximum Continuous Discharge Power: 1280W
- Fast Charging Voltage: 14.6V
- Standby Charging Voltage: 13.5V – 13.8V
- Floating Charging Voltage: 13.5V – 13.8V
- Discharge Low Protection Voltage: 8.8V – 10V
- Standard Charging Current: 20A
- Recommended Charging Current: 50A
- Maximum Charging Current: 100A
- Standard Discharge Current: 50A
- Maximum Continuous Discharge Current: 100A
- Internal Resistance: ≤10mΩ
- Charging Temperature: 0°C – 50°C
- Discharge Temperature: -20°C – 60°C
- Cycle Life (25°C, 80% DoD): 4000 cycles
- Cell Configuration: 4S
- Dustproof & Waterproof Rating: IP65
- Weight: ≈10 kg
- Product Size (L × W × H): 332 × 172 × 218 mm
Safety & Compliance:
- LiFePO4 chemistry ensures superior thermal and chemical stability
- Integrated BMS protection for overcharging, over-discharging, overcurrent & short circuits
- IP65-rated enclosure protects against dust, water splashes, and outdoor exposure
- Low internal resistance (≤10mΩ) prevents heat buildup and power loss
- Safe operation from -20°C to 60°C, suitable for harsh environments
- Environmentally friendly with no toxic heavy metals
Benefits:
- High power delivery with 100A continuous discharge for demanding devices
- Extra-fast charging up to 100A, minimizing downtime
- Long 4000-cycle lifespan, offering exceptional long-term value
- Stable voltage output protects sensitive electronics
- Lightweight compared to AGM/lead-acid alternatives (only 10 kg)
- Low self-discharge, perfect for backup and emergency systems
- Maintenance-free, no acid, leaks, or fumes
- Higher usable capacity vs. lead-acid batteries
Long Life and Reliability:
- 4000+ deep cycles ensure long operational life
- Durable IP65 enclosure, ideal for outdoor and marine use
- Reliable high-current performance, supporting heavy loads
- Designed for continuous use in solar, RV, marine & industrial systems
- Maintains performance in extreme climate conditions
- Superior thermal stability for safe long-term operation

What applications can the 12.8V 100Ah LiFePO4 battery support?
This high-capacity battery is ideal for solar storage systems, RV and camper power setups, marine equipment, trolling motors, home backup power, industrial devices, and portable power stations that require strong 12V output.
What applications can the 12.8V 100Ah LiFePO4 battery support?
The battery provides 4000+ cycles at 80% depth of discharge, translating to 8–12 years of use, significantly longer than AGM or lead-acid batteries.
What charger is recommended for this battery?
Use a LiFePO4-compatible charger with:
- Fast charge voltage: 14.6V
- Recommended charging current: 50A
- Maximum charging current: 100A
Avoid using standard car or lead-acid chargers.
Can the 12.8V 100Ah battery operate in extreme weather?
Yes. It functions safely in 0°C to 50°C for charging and -20°C to 60°C for discharging, with an IP65 waterproof rating, making it suitable for marine, outdoor, and harsh environments.
Related products
12.8V 300Ah LiFePO4 Battery Pack
12.8V 180Ah LiFePO4 Battery Pack
12.8V 150Ah LiFePO4 Battery Pack
12.8V 30Ah LiFePO4 Battery Pack
- Operating Voltage Range: 8.8V – 14.6V
- Nominal Voltage: 12.8V
- Nominal Capacity: 30Ah
- Minimum Capacity: 29.5Ah
- Rated Energy: 384Wh
12.8V 18Ah LiFePO4 Battery Pack
- Operating Voltage Range: 8.8V – 14.6V
- Nominal Voltage: 12.8V
- Nominal Capacity: 18Ah
- Minimum Capacity: 17.5Ah
- Rated Energy: 230.4Wh
12.8V 10Ah LiFePO4 Battery Pack
- Operating Voltage Range: 8.8V – 14.6V
- Nominal Voltage: 12.8V
- Nominal Capacity: 10Ah
- Minimum Capacity: 9.5Ah
- Rated Energy: 128Wh
- Offers high energy density
- 4000+ Charge cycles
- Safety
- ECO-friendliness
- Fast charging
- Lightweight
- Long-lasting
- Stable and sustainable power

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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