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

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