3.7V 4000mAh Wide Temperature Polymer Lithium Battery for Recorder Backup

Product Details
Nominal Voltage: 3.7V
Nominal Capacity: 4000mAh
Battery Dimensions: 80.5 × 49.5 × 10.75 mm
Internal Resistance: ≤180mΩ
Battery Weight: 95g
Charging Current: 0.8A
Continuous Discharge Current: 0.8A
Protection Current: 6-8A
Charging Voltage: 4.2V
Discharge Cutoff Voltage: 3.0V
Service Life: ≥300 cycles at 0.5C charge/discharge rate
Storage Temperature: -20～30℃ (for less than six months)

Features
Designed for wide temperature ranges, ensuring reliable performance in extreme conditions.
Suitable for use in special equipment and as a backup power source for recorders.