Rechargeable Li-ion Battery 18500 3.7V 1100mAh

From the shop's description

Rechargeable Li-ion Battery 18500 3.7V 1100mAh The QJ 18500 is a highly reliable, cylindrical Lithium-Ion rechargeable battery designed to provide steady 3.7V power to a wide variety of electronic devices. Offering a nominal capacity of 1100mAh, these cells are perfect for applications demanding a balance of compact size and long-lasting energy storage. Features True Li-ion Chemistry Tested Reliability Excellent Internal Resistance Clear Polarity Markings Specifications Parameter Specification Model / Type: 18500 Chemistry: Lithium-Ion (Li-ion) Nominal Voltage: 3.7V Full Charge Voltage: ~4.16V Nominal Capacity: 1100mAh Real-Tested Capacity: 1080mAh – 1103mAh Internal Resistance (AC): ~37.0 mΩ – 40.39 mΩ Internal Resistance (DC): ~20 mΩ – 39 mΩ Standard Test Charging Current: 500mA Applications High-intensity LED flashlights and laser pointers Electronic personal care devices DIY electronics, robotics, and custom multi-cell battery packs Package Content 1x Rechargeable Li-ion Battery 18500 3.7V 1100mAh