Efest Slim K2 Intelligent USB Battery Charger Keychain The AM-3 features SpeedSafe assisted

The AM-3 features SpeedSafe assisted opening for quick and simple one-handed opening

Combine this with the snag-free profile of the brass component and accidental disengagement is "virtually" impossible

a high-strength back lock mechanism

and reduces single-use battery waste

Weight: 82grams (2

Efest Slim K2 Intelligent USB Battery Charger Keychain The AM-3 features SpeedSafe assistedThe Efest Slim K2 is a professional portable two slot Li ion batter charge with a Micro USB charging port. Compatible Li ion batteries: 20700 18650 18350 16340 10440 26650 18500 17340 14500 26500 Features: Fast charging mode: 1. 0A Fits various 3. 6V and 3. 7V Li ion batteries Reverse polarity protection Activation function Auto detect charging function Over chargind protection Short circuit protection CE and RoHS certified High Quality Spring: Spring