LiWatt 51.2V 80AH Lithium-ion Phosphate Battery warranty: 60months

LiWatt 51.2V 80AH Lithium-ion Phosphate Battery Specification

Basic Information

• Item: Battery
• Usage: Energy storage and industrial applications
• Voltage: 51.2V
• Capacity: 80Ah

Applications

• Home Energy Storage
• Industrial Storage
• Solar Inverters

Key Functions

• OVP (Over Voltage Protection)
• UVP (Under Voltage Protection)
• OTP (Over Temperature Protection)
• OCP (Over Current Protection)
• SCP (Short Circuit Protection)
• Self-management during charging and discharging
• Single-cell balancing for consistent performance
• Supports communication with equipment via RS485
• Intelligent firmware upgrade support via RS232
• LCD display for real-time battery information

Electrical Characteristics

• Nominal Voltage: 51.2V
• Nominal Capacity: 80Ah
• Energy: 4096Wh
• Internal Resistance: ≤100mΩ (without BMS)
• Cycle Life: 4000 cycles at 80% Depth of Discharge (DOD)
• Design Life: 15 years at 25℃
• Self-Discharge (30 days): ≤3% at 35℃
• Efficiency of Charge: 98%
• Efficiency of Discharge:
  • 100% at 0.2C
  • 96% at 1C

Charging Specifications

• Charge Voltage: 56 – 57.6V
• Charge Mode:
  • 0.2C to 57.6V, then maintain 57.6V charge current until tapering to 0.02C (CC/CV mode)
• Max. Charge Current: 80A

Discharging Specifications

• Max. Continuous Discharge Current: 80A
• Discharge Cut-off Voltage: 44.8V ± 0.5V

Environmental Characteristics

• Charge Temperature Range: -20℃ to 60℃ (with heating mechanism under 0℃)
• Discharge Temperature Range: -20℃ to 60℃ (reduced capacity under 0℃)
• Optimum Operating Temperature: 10℃ to 35℃
• Storage Temperature: -20℃ to 55℃ (with ≤85% Relative Humidity)
• Water & Dust Resistance: IP20

Mechanical Properties

• Maximum Weight: Approx. 40 Kg
• Dimensions (L × W × H): Customized for application requirements
• Gravimetric Specific Energy: Approx. 102 Wh/kg
• Terminal Type: M6 (positive and negative terminals)

Communication Capabilities

• Parallel Communication: RS485
• Battery-to-Equipment Communication: RS485
• Debugging Communication: RS232
• SOC Indicator: 6 × LED