12.8V 28.8AH 4S8P Off-grid Solar Battery
  • 12.8V 28.8AH 4S8P Off-grid Solar Battery
  • 12.8V 28.8AH 4S8P Off-grid Solar Battery
  • 12.8V 28.8AH 4S8P Off-grid Solar Battery
Electrical Specifications
Nominal Voltage12.8V
Nominal Voltage28.8Ah
Energy368.64Wh
Internal Resistance≤35mΩ
Self Discharge<1% Per Month
Series and Parallel/
Mechanical Specifications
Dimensions (L x W x H)138*110*119mm
Weight3.05kg
TerminalAM-1015-F.G.R
Case MaterialPVC
IP Rating/
Cells26650 – LiFePO4
Discharge Specification
Max Continuous Discharge Current25A
Max Instantaneous Discharge Current/
BMS Discharge Protection Current40A
Overdischarge Protection Voltage8.4V
Overdischarge Recovery Voltage9.2V
Short Circuit Protection600uS
Charge Specifications
Charge Current15A
Max Charge Current25A
Charge Voltage14.6V
Overcharge Protection Voltage15V
Overcharge Recovery Voltage14.6V
Equalization Turn-on Voltage14.6V
Temperature Specification
Discharge Temperature-20-60℃
Charge Temperature10-55℃
Storage Temperature-40 ~85℃
BMS Over Temperature Protection65±5℃
BMS Over Temperature Protection Recovery55±5℃
Communication
Communication/
  
  
Compliance Specification
CertificationUN38.3

Graph of maximum current discharge at different temperatures

12.8V 28.8AH 4S8P Off-grid Solar Battery

Graph of 1C charging at different temperatures

12.8V 28.8AH 4S8P Off-grid Solar Battery

Cycle life diagram of 0.5C charging and 1C discharging at 25 ℃ for different DODs

12.8V 28.8AH 4S8P Off-grid Solar Battery

2D Drawing

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