The plug adopts a snap-on design, which is safe and tight for charging without leakage.
18650 Battery Charger - Universal Fast USB Charger for 3.7V Li-ion & 1.2V Batteries (18650, 21700, 26650, 14500, 16340, 18350) - Dual Slot Smart Charger with USB Cable (Black)
Universal USB Charger For 3.7v Li-ion Batteries Fast Charging Fast USB Charger
3.7v USB Charger For 18x650 Rechargeable Batteries Fast Charging USB Charger UK
eneloop SmartPlus Travel USB Charger, for 1-4 AA/AAA Rechargeable Batteries, 2.25h Charging Time, 10 Safety Features, USB
3.7 Volt Rechargeable Battery and Charger, REACELL 3000mAh Rechargeable Battery, 4 Pack Button Top NiMH High Power Long Lasting Batteries with Fast Dual USB Charger for Headlamp LED Flashlight
Universal Smart Battery Charger, Dual Bay USB Charger for 18650, 21700, 26650,14500 and Other Li-ion Rechargeable Batteries with LED Indicator
