GOLISI – i4 2A Smart Charger

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The GOLISI i4 2A Smart Charger is the upgraded version of the hugely popular S4, it not only inherits the readout friendly on a large HD LCD screen and durable loading springs, i4 adopts USB power port to charge cylindrical rechargeable batteries of length ranging 32-70mm.

The i4 Smart Charger features an upgraded micro-processor, enabling the large LCD screen to show functions clearly.
The Golisi i4 is not just compatible with 21700, 20700, 26650, 18650 Li-ion batteries but nearly all cylinder shaped rechargeable batteries, even charging different batteries at the same time.
Together with a large LCD display and 0.5A/ 1.0A / 2.0A output options, the i4 Smart Charger will give you a faster and safer charging experience.

Package: 99.9% packing materials are made of recyclable and biodegradable materials.

CE, RoHS, EMC, FCC, WEEE, LVD, ETL(cord) certificated


Built-in processor

  1. Identify battery types(Li-ion,Ni-cd,Ni-md,AAA,AA)
  2. Support mixing charging.
  3. Distribute current/voltage based on battery types
  4. Automatically and evenly distribute current when charging Li-ion batteries
  5. 2A fast charge
  6. Activate dormant battery
  7. Temperature monitoring

Input voltage
AC 110-240V 50/60HZ; DC 12V /1A

Output voltage
4.2V ±1% / 3.7V ±1% / 1.48V ±1%

LCD display : 34×70 mm, unique ” %” charging status

Index displayed:
output current  / charging “%”
voltage-time-current rate / battery type

High quality alloy spring
>100K cycle time
Smooth and durable.

Safety protections
Short Circuit Protection; Over-Current Protection;
Reverse Connection Protection; Over-heat protection

Case materials 
ABS, PC. Fire proof
Size S4:145x98x35 mm, 255g (include cable)

Package included:
1 x Golisi i4 HD LCD Display Smart Charger
1 x Charging cable (USB)
1 x Manual

*wall plug required