Efest Slim K1 Battery Charger

Upgrade your battery charging setup with the Efest SLIM K1 Single-Slot Battery Charger, a compact and portable charger designed for efficiency and safety. Featuring a 1000mAh fast charging output, auto-detect charging function, and LED battery charge indicator, this charger supports a wide range of lithium-ion batteries including 26650, 20700, 18650, 18500, 18350, 17340, 16340, 14500, and 10440. Built from fire-retardant PC materials and equipped with spring-loaded piano wire contact, it ensures a secure battery connection. With reverse polarity protection, over-charging protection, short-circuit protection, and low voltage activation recovery, the SLIM K1 delivers safe, reliable, and convenient charging whether at home or on the go. Ideal for single-battery box mods and travel enthusiasts, the SLIM K1 charges via a MicroUSB port for added portability.

• Single Slot Charger for compact and portable use

• 1000mAh Fast Charging Output

• Auto-Detect Charging Function

• LED Battery Charge Indicator

• Spring-Loaded Sliding Battery Platform for secure connection

• Multiple Safety Protections: Reverse Polarity, Over-Charging, Short-Circuit, Activation Recovery

• Compatible with 10440 to 26650 Lithium-Ion Batteries

• MicroUSB Input for convenient travel charging

• Durable Fire-Retardant Construction

Charge your lithium-ion batteries safely and efficiently with the Efest SLIM K1 Single-Slot Battery Charger. Compact and travel-ready, it features 1000mAh fast charging, auto-detect function, LED battery indicator, and multiple safety protections, supporting batteries from 10440 to 26650.