Charge your batteries with the Efest PRO C4 Charger. The Efest PRO C4 Charger is a simple and cost-efficient charger designed by Efest. The Efest PRO C4 Charger is a four bay charger powered by a AC wall plug and can charge four batteries at the same time. When charging one or two batteries at the same time, the charging current will adjust intelligently to 1A. When charging three or four batteries at the same time, the charging current will adjust intelligently to 0.5A. The LED indicator light is red when your battery is charging and turns green when the battery is fully charged. The Efest PRO C4 Charger can charge different types of 3.6V/3.7V lithium batteries commonly used in electronic cigarettes, flashlights, electric tools, and more.

Please note, due to size limitations, you may only charge up to (2) 26500 or 26650 batteries at the same time.

Features and Specs:

Compatible with: 10440, 14500, 14650, 16340, 16650, 17650, 17670, 18350, 18490, 18500, 18650, 20700, 21700 22650, 26500, 26650

AC Input Power: AC 100~240V 50/60Hz
DC Output Power: DC 12V 1A
DC Input Power: DC 12V 1A
1A CC Current: 1000mA (+/-10%)
Auto Cut-Off Voltage: 4.20 (+/-0.05V)
CV Cut-Off Current: <100mA
Standby Current: <20mA
Activation Current (Battery Voltage <2.90V): 10mA~50mA
Auto Recharge Voltage: 4.10 (+/-0.10V)
Operation Temperature: 0C ~ 40C

Use Rechargeable Batteries or With PCB Batteries. Other types of batteries may cause personal injury. Do NOT leave batteries charging unattended/overnight!

NOTE: Use special caution when working with Li-ion cells, they are very sensitive to charging characteristics and may explode or burn if mishandled.