Rechargeable Li-ion Battery 18650 (3.7V ,2900mAh to 3100mah) used

Description

Rechargeable Li-ion Battery 18650 (3.7V ,2900mAh to 3100mah) used is a high-quality electronic component designed for Arduino, prototyping, and educational electronics. Rechargeable Li-ion Battery 18650 (3.7V ,2900mAh to 3100mah) Features: Type: Li-ion 18650 (Used – Tested) Voltage: 3.7V Capacity: 2900–3100mAh (approx.) High capacity for extended runtime Rechargeable with usable cycle life Ideal for power banks & high-demand devices Suitable for robotics & DIY electronics ⚠️ Important Note Used battery — capacity may vary within range Cosmetic condition may differ Recommended to test before critical use