Universal 3.7V Battery Charger

• Universal charger compatible with 3.7V lithium-ion batteries. • Features overcharge, over-discharge, and short-circuit protection. • LED indicator shows charging status (red for charging, green for fully charged). • Compact and lightweight design for portability. • Suitable for various electronic devices requiring 3.7V batteries, such as flashlights, power banks, and some vape devices. • Brand new condition.