12.8V 21000mAh lithium battery for outdoor weather station system

Application field: instrumentation
Project number: 21QD004-03
Battery model: IFR26650/4S7P/21Ah/12.8V
Nominal voltage: 12.8V
Nominal capacity: 21000mAh (0.1C discharge to 8.0V)
Factory voltage: 12.8V~13.6V
Product size: MAX210×115×72mm
Product internal resistance: ≤100mΩ
Weight: Max 2.75kg
Output method: UL3239 16# 500±20mm red and black, stripped 2±0.5mm
Executive standard: GB/T 18287-2000
Shelf life: 12 months
Working temperature: 0~45℃ (charging), -20~60℃ (discharging)
Battery charging: Charging limit voltage: 14.4V Charging current: 2.1A (standard), 4A (maximum)
Battery discharge: Discharge cut-off voltage: 8.0V Discharge current: 2.1A (standard), 5A (maximum)