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Coil Master


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Coil Master A4 charger is totally redesigned and dedicated for vapers. The unique housing structure makes extremely easy of putting batteries in & out.

Full range of protection features protect your batteries and charging process from top to bottom. Maximum output 2 amp charging within single slot greatly speed up your charging period.

Coil Master A4 charger is a 4-battery-slot intelligent charger mainly used for charging 26650 18650 lithium battery. It can process charging by monitoring the battery capacity automatically. Besides, every 4-battery-slot charger is configured with four micro-computer processed charging slots. Thus, users can place corresponding type of batteries to perform recharging in every charging slot.


  • Capable of charging 4 batteries simultaneously
  • Each of the four battery slots monitors and charges Independently
  • Optimized charging design for Flat head IMR batteries
  • Compatible with small capacity batteries
  • Automatically stops charging when complete
  • Made from durable ABS(inherently fire/flame resistant)
  • Redesigned slot mechanical structure could easily place and remove batteries
  • Reverse polarity protection
  • Designed for optimal heat dissipation
  • Certified by RoHS, CE, FCC and CEC


  • Input: DC5V, 6A
  • Output: 4.2V DC(max)
  • 2 Amp(max) 2nd & 3th port
  • 1 Amp(max) 1st & 4th port
  • Housing material: ABS
  • Dimension: 142 x 113 x 36mm
  • Weight: 178g (without adaptor)