12.8V 20Ah LiFePO4 Battery Pack

Operating Voltage Range: 8.8V – 14.6V
Nominal Voltage: 12.8V
Nominal Capacity: 20Ah
Minimum Capacity: 19.5Ah
Rated Energy: 256Wh

LiFePO4 Battery Pack – 12.8V (20Ah)

The 12.8V 20Ah LiFePO4 Battery Pack is a high-performance lithium iron phosphate battery engineered for applications that require stable voltage, high power output, and long operational life. Offering superior safety, consistent performance, and excellent cycle durability, this battery is ideal for solar storage, portable power units, backup systems, and outdoor equipment.

Applications:

Solar energy storage systems
UPS and backup power solutions
Medical-grade devices and mobility equipment
Outdoor equipment, camping power, and RV electronics
Industrial tools, robotics, and instrumentation
Marine electronics and communication systems
Security systems, CCTV, and access control
Portable power stations and DIY energy setups

Technical Specifications:

Operating Voltage Range: 8.8V – 14.6V
Nominal Voltage: 12.8V
Nominal Capacity: 20Ah
Minimum Capacity: 19.5Ah
Rated Energy: 256Wh
Maximum Continuous Discharge Power: 256W
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: 4A
Recommended Charging Current: 10A
Maximum Charging Current: 20A
Standard Discharge Current: 4A
Maximum Continuous Discharge Current: 20A
Internal Resistance: ≤50mΩ
Charging Temperature: 0°C to 50°C
Discharge Temperature: -20°C to 60°C
Cycle Life (25°C, 80% DoD): 2000 cycles
Cell Configuration: 4S
Dustproof & Waterproof Rating: IP65
Weight: ≈1.9 kg
Product Size (L × W × H): 182 × 78 × 165 mm

Safety & Compliance:

LiFePO4 chemistry provides excellent thermal stability and is non-flammable
Built-in protection circuits against overcharging, over-discharging, overcurrent, and short circuits
IP65-rated enclosure protects against dust, moisture, and outdoor conditions
Low internal resistance minimizes heat buildup, ensuring safe operation
Wide temperature tolerance supports reliable performance in extreme environments
Environmentally safe, containing no hazardous heavy metals

Benefits:

High usable capacity with stable voltage output for sensitive electronics
Fast charging capability up to 20A for reduced downtime
Long-lasting battery life with over 2000 charge cycles
Lightweight and compact, ideal for portable or mobile systems
Reliable power delivery, even under continuous high load
Low self-discharge rate, making it ideal for standby applications
Maintenance-free with no need for watering or conditioning
Superior to lead-acid batteries in efficiency, lifespan, and performance

Long Life and Reliability:

Long cycle durability, offering more than 2000 cycles at 80% depth of discharge
Engineered for harsh environments, from -20°C cold climates to 60°C heat
Dustproof and waterproof IP65 design, built to withstand outdoor exposure
Enhanced thermal stability prevents overheating and extends service life
Consistent performance in both continuous-load and intermittent-use scenarios
Ideal for long-term installation in solar, backup, and critical equipment setup

What applications are suitable for the 12.8V 20Ah LiFePO4 battery?

This battery is ideal for solar storage, UPS systems, medical devices, camping and RV power, robotics, industrial tools, communication equipment, and marine electronics requiring stable 12V power.

What applications are suitable for the 12.8V 20Ah LiFePO4 battery?

It offers 2000+ charge cycles at 80% DoD, giving it a typical lifespan of 5–10 years, significantly longer than AGM or lead-acid batteries.

What type of charger should I use for this battery?

Use a LiFePO4-compatible charger with:

Fast charging voltage: 14.6V
Recommended current: 10A
Maximum current: 20A

Avoid automotive or non-LiFePO4 chargers as they may damage the battery.

Is the 12.8V 20Ah battery safe for outdoor or harsh environments?

Yes. With an IP65 waterproof and dustproof rating, wide operating temperature range (-20°C to 60°C), and built-in protection circuits, it performs safely in outdoor, marine, and rugged conditions.