Description: Products include LIR940, LIR1040, LIR1054, LIR1240, LIR1254, LIR1454, LIR1654 and other rechargeable button lithium battery series suitable for TWS Bluetooth headsets, smart door locks, smart wearable products, hearing aids, burglar alarms, etc.
Battery Model: YJ1054
Finished size: φ10.2*5.5
Rated voltage: 3.7V
Nominal Capacity: 40mAh
Charging voltage: 4.2V
Charging current: 0.5C
Discharge current: 1C
Charging temperature: 0-45℃
Discharge temperature:-20-60℃
The battery can withstand a maximum ambient temperature of 85°C and can work for 72 hours, and the battery cell has excellent anti-expansion performance.
The battery has excellent low-temperature discharge efficiency, with the lowest discharge temperature being -40°C. It has the characteristics of high discharge platform, large discharge current and good consistency.
The battery can be fast charged at 7C, ultra-fast charged in 10 minutes, and the battery surface temperature is lower than 60°C. The battery can be fast discharged at 15C, and the battery surface temperature is lower than 80°C.
The battery energy density of the 4.45V series exceeds 650WH/L, the 4.4V series exceeds 630WH/L, and the 4.35V series exceeds 580WH/L, and the cycle life is 800 weeks ≥80%.