3.7V 2200mAh rechargeable lithium battery provides reliable and long-lasting power for DIY electronics and portable devices.
Battery Type: Lithium-Ion (Li-ion)
Nominal Voltage: 3.7V
Capacity: 2200mAh
Rechargeable: Yes
Charging Voltage: 4.2V
Discharge Voltage: 3.0V – 4.2V
Cell Type: Cylindrical (18650 type – may vary)
Cycle Life: 500+ charge cycles
Applications: Arduino, IoT, robot car, portable devices
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