12.8V 9.9Ah 4S3P Off-grid Solar Battery
  • 12.8V 9.9Ah 4S3P Off-grid Solar Battery
  • 12.8V 9.9Ah 4S3P Off-grid Solar Battery
  • 12.8V 9.9Ah 4S3P Off-grid Solar Battery
Electrical Specifications
Nominal Voltage12.8V
Nominal Voltage9.9Ah
Energy129.728Wh
Internal Resistance≤75mΩ
Self Discharge<1% Per Month
Series and Parallel/
Mechanical Specifications
Dimensions (L x W x H)137*162*38mm
Weight1.24Kg
TerminalTE-1-1123722-2
Case MaterialPVC
IP Rating/
Cells26650 – LiFePO4
Discharge Specification
Max Continuous Discharge Current8A
Max Instantaneous Discharge Current/
BMS Discharge Protection Current25A
Overdischarge Protection Voltage8V
Overdischarge Recovery Voltage9.2V
Short Circuit Protection550uS
Charge Specifications
Charge Current1.98A
Max Charge Current8A
Charge Voltage14.4V
Overcharge Protection Voltage15.6V
Overcharge Recovery Voltage15.2V
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
CommunicationI2C
  
  
Compliance Specification
CertificationUN38.3

1C discharge curve at different temperatures

12.8V 9.9Ah 4S3P Off-grid Solar Battery

1C charging curve at different temperatures

12.8V 9.9Ah 4S3P Off-grid Solar Battery

Cycle life curve of different DOD, at 0.5C charging 1C discharging at 25℃

12.8V 9.9Ah 4S3P Off-grid Solar Battery

2D Drawing

12.8V 9.9Ah 4S3P Off-grid Solar Battery

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    PLB focus on providing lithium ion batteries and 26650 cells and packs, welcome to inquiry.