Battery Charger, 3.7 Volt Rechargeable Battery Charger, 4 Bay Lithium Ion Battery Charger

🔋 4-Bay 3.7V Li-ion Battery Charger with USB Charging Port

Charge up to 4 rechargeable 3.7V lithium-ion batteries at once with this smart and efficient charger — perfect for all your power needs.

✅ 4 Independent Charging Bays – Charge 1 to 4 batteries simultaneously
✅ Wide Compatibility – Supports 3.7V Li-ion batteries (18650, 14500, 16340, etc.)
✅ USB Charging Port – Power it easily via USB wall adapter, power bank, or laptop
✅ Smart Charging Technology – Automatic voltage detection, overcharge & short-circuit protection
✅ LED Indicators – Clear status lights for each battery bay
✅ Compact & Portable – Ideal for travel, work, or home use