Rechargeable Li-ion Battery 18650 (3.7V ,1900mAh to 2100mah) used

Description

Features: Type: Li-ion 18650 (Used – Tested) Voltage: 3.7V Capacity: 1900–2100mAh (approx.) Rechargeable with usable cycle life Cost-effective alternative to new cells Ideal for DIY battery packs & power banks Suitable for robotics & electronics projects ⚠️ Important Note Used battery — capacity may vary within range Cosmetic condition may differ Recommended to test before critical use