Ensure safe 18650 battery charging with this portable and intelligent charger. The ESYB M2 2-Bay 18650 battery charger provides the vaper with 2 battery channels and advanced safety features. This external 18650 battery charger provides 1 amp of charge to your battery while protecting it from reaching beyond 4.2 volts. Constructed from highly durable ABS fire retardant materials, the ESYB M2 affords the vaper an affordable and safe battery charging experience beyond compare. Be sure to buy a ESYB M2 2-Bay High Drain Battery Charger today!