The Efest PRO C4 Battery Charger is a simple and reliable four-bay charger designed for charging multiple lithium batteries safely and efficiently. Intelligent charging technology automatically adjusts the charging current depending on how many batteries are inserted, helping ensure balanced charging. LED indicator lights clearly display the charging status, making it easy to monitor your batteries.
The Efest PRO C4 Battery Charger is a four-bay intelligent charger with automatic current adjustment, LED charge indicators, and compatibility with most popular lithium battery sizes.
Four independent charging bays
Intelligent charging current adjustment (1A for 1–2 batteries, 0.5A for 3–4 batteries)
LED indicator lights show charging status (red = charging, green = fully charged)
Compatible with lithium batteries commonly used in vaporizers, flashlights, and other electronics
Non-slip base mat for stable placement during charging
AC wall plug powered for convenient use
Automatic cut-off protection helps prevent overcharging
Activation current supports batteries with low voltage
