Golisi S4/I4 Digital Charger


The Golisi i4 Smart Charger (Canada) is the latest from Golisi with 4-slots and 2A fast charging. It has a USB power port with DC 12V/ 2A power input. What's more, it is compatible with almost all types of cylinder shape rechargeable batteries such as 18650. 21700 and 20700, even charging different batteries at the same time. Together with a large HD LCD display and 0.5A/ 1.0A / 2.0A output options, the Golisi I4 Smart Charger will give you a faster and safer charging experience.


  • Portable and safe smart charger
  • USB power port with DC 12V/2A power input
  • Compatible with almost all types of cylinder shape rechargeable batteries
  • LED light indicating the battery charging situation
  • Military grade loading spring
  • ABS/PC fireproof case
  • 4 battery slots
  • Case materials: ABS/PC/Fire proof
  • Input voltage: DC 12V / 2A
  • Activate Battery: it can activate 0 voltage li-ion battery
  • Output: Li-ion battery: 2Ax1pc, 1Ax2pcs. 0.5Ax 3~4pcs
  • Loading Spring: Military grade Spring, >100K cycle time. (Smooth and durable)
  • Protection: Short Circuit Protection/Over-Current Protection/Reverse Connection Protection/Over-Heat Protection
  • Compatible batteries: Li-ion 18650, 21700, 26650 / Ni-mh / Ni-cd /aaa/ aa (almost all types of cylinder shape rechargeable batteries)
  • Quality certificates: RoHS, CE, FCC, EMC


  • 1x Golisi i4 2A Smart USB Charger with LCD Screen



GOLISI S4 is a “smart” battery charger faster, safer and simpler to operate. And elector-circuit uses 4 independent output out-put charging modes with which it can charge Lithium-ion, Ni-mh and Ni-cd batteries in any model and capacity.


  • Control: DV Detection ODV Detection Total Time Control
  • Highest Voltage Detection Idling Output Voltage: 5V

Input current:
  • Li-ion 2000MA*1, 1000MA*2, 500MA*3, 500MA*4;
  • Ni-mh Ni-cd 1.2V 500MA*1 500MA*2 500MA*3 500MA*4

Screen Display and Operation:
Connecting to power supply, without batteries, the screen will be bright for 2 seconds then display “null” which denotes no batteries being loaded

Charging Status and Screen Display:  when loading batteries, the screen will display channel/battery type/battery voltage/charging current/capacity rate.  “%” flashes mean the device is charging, “%” increases until 100% which means batteries are fully charged, S4 cease charging the battery.
The upper and lower part of the button controls Channel 1,2,3, and 4 respectively. A soft tap can show you related information including voltage /capacity /time.

Button Operation: short click, LCD displays charging status. 4-second long click keeps the LCD always bright.

Protection mode:

Short Circuit Protection; Over-Current Protection; Reverse Connection Protection

  • Loading spring: high quality spring
  • Materials: ABS, PC
  • Working Temperature: 0-40 Celsius
  • High compatibility: The S4 is compatible with not just 20700, 26650, 18650 Li-ion batteries (not included), but also cylindrical rechargeable batteries on the To be specific, 3.6/3.7 V Li-ion batteries 21700, 18500, 18350, 18490, 18350, RCR123, and Ni-mh/Ni-cd batteries AAAA, AAA, AA, A, SC, C, that length ranging from 12 to 27 inches, up to 12 inches in diameter
  • Large LCD display:Integrated LCD panel clearly displays charging parameters and process (Battery type, voltage , time , charging percentage, charging capacity, auto alert indication for worse battery cell); Reverse protection, precision end-of-charge voltage detection, over charging timeout protection
  • Battery detective and charge smartly:S4 can detect different battery types and smartly allocate current and voltage accordingly. In other words, it can charge different batteries at the same time
  • Output options: 0.5a / 1.0a / 2.0a output options,S4 support 3 currents output options, up to 2.0a


  • 1x Golisi S4 charger
  • 1x Power Cord
  • 1x Pouch
  • 1x Manual

Golisi I2 Smart Charger can be found here.

Nitecore Charger can be found here, I4 or I2

    Replacement Battery can be found here. 18650 20700 21700

    Replacement Battery can be found here. 18650 20700 21700

    Make sure to properly prime each coils and pods before use.

    Warning: If the coils has a sub-ohm resistance, please make sure you have a great understanding and technical knowledge on how to use mods and batteries that can handle Sub-Ohm coils. Do not use short or flat 510 connection on any hybrid or hybrid style device. If you are not familiar or unsure of particular products or set-ups, please do not use it. Always use proper precautions and handling.

    Note: There is always an inherent risk when using any rechargeable batteries at anytime and under any circumstances. Coolvape are not held responsible for any damage for any modification of the batteries, chargers, devices and other products that we carry in any form or shape, this is including pack making.