12.8V 50Ah LiFePO4 Battery Pack
- Operating Voltage Range: 8.8V – 14.6V
- Nominal Voltage: 12.8V
- Nominal Capacity: 50Ah
- Minimum Capacity: 49Ah
- Rated Energy: 640Wh
LiFePO4 Battery Pack – 12.8V (50Ah)
The 12.8V 50Ah LiFePO4 Battery Pack is a premium-grade lithium iron phosphate battery designed for applications requiring strong power output, excellent safety, and long operational lifespan. With fast charging capability, high discharge power, a long 4000-cycle life, and IP65 outdoor durability, this battery is perfect for solar storage, RV systems, marine use, backup power, and industrial-grade applications.
Applications:
- Solar energy storage systems (off-grid/on-grid)
- RV, caravan, and camper electrical systems
- Marine electronics, trolling motors & navigation devices
- UPS and emergency backup power solutions
- Portable power stations and outdoor equipment
- Industrial automation, machinery & robotics
- Medical devices and mobility equipment
- CCTV, telecom systems, and 12V field equipment
Technical Specifications:
- Operating Voltage Range: 8.8V – 14.6V
- Nominal Voltage: 12.8V
- Nominal Capacity: 50Ah
- Minimum Capacity: 49Ah
- Rated Energy: 640Wh
- Maximum Continuous Discharge Power: 640W
- 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: 10A
- Recommended Charging Current: 25A
- Maximum Charging Current: 50A
- Standard Discharge Current: 10A
- Maximum Continuous Discharge Current: 50A
- Internal Resistance: ≤20mΩ
- Charging Temperature: 0°C to 50°C
- Discharge Temperature: -20°C to 60°C
- Cycle Life (25°C, 80% DoD): 4000 cycles
- Cell Configuration: 4S
- Waterproof & Dustproof Rating: IP65
- Weight: ≈5 kg
- Product Size (L × W × H): 228 × 138 × 211 mm
Safety & Compliance:
- LiFePO4 chemistry provides superior thermal stability and non-flammable performance
- Built-in BMS protection: overcharge, over-discharge, short circuit, overcurrent
- Low internal resistance (≤20mΩ) reduces heat and increases safety
- IP65 waterproof and dustproof rating, ideal for outdoor environments
- Wide temperature range supports extreme climate conditions
- Environmentally safe, free of toxic heavy metals and hazardous materials
Benefits:
- High power output with 50A continuous discharge for demanding devices
- Fast charging up to 50A, reducing downtime significantly
- Ultra-long lifespan with 4000+ cycles, offering exceptional durability
- Consistent voltage delivery, ideal for sensitive electronics
- Compact, lightweight, and portable, great for mobile and off-grid systems
- Low self-discharge rate, excellent for standby and backup applications
- Maintenance-free with no acid, fumes, or regular servicing required
- Superior performance compared to AGM, gel, and lead-acid batteries
Long Life and Reliability:
- 4000+ cycle lifespan, ensuring many years of dependable performance
- Designed for rugged environments, supporting -20°C to 60°C operation
- Durable IP65 casing, resisting dust, splashes, and outdoor exposure
- Advanced thermal stability prevents overheating and capacity loss
- Reliable continuous discharge (50A) for high-load and industrial applications
- Perfect for long-term installations in solar, RV, marine, and backup systems
What devices can use the 12.8V 50Ah LiFePO4 battery power?
This battery is suitable for solar energy systems, RV and camper power setups, marine electronics, UPS backup units, portable power stations, medical equipment, and industrial devices that require stable, high-power 12V output.
What devices can use the 12.8V 50Ah LiFePO4 battery power?
The battery offers an exceptional lifespan of 4000+ cycles at 80% DoD, meaning it can last 8–12 years, significantly outperforming lead-acid or AGM batteries.
What type of charger should I use with this battery?
Use a LiFePO4-compatible charger with:
- Fast charging voltage: 14.6V
- Recommended charging current: 25A
- Maximum charging current: 50A
Using non-LiFePO4 chargers may damage the battery or reduce its lifespan.
Is the 12.8V 50Ah battery suitable for outdoor and harsh environments?
Yes. With an IP65 waterproof and dustproof rating, wide temperature tolerance (-20°C to 60°C), and built-in BMS safety features, it is ideal for outdoor equipment, marine use, and extreme weather 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.