Skip to product information
1 of 4


Efan Lux S4 Professional Touch Screen LCD Battery Smart Charger And Tester

2 Reviews
| Ask a question

Regular price $169.95 USD
Regular price $179.00 USD Sale price $169.95 USD

Review By HKJ:Efan S4


*Touch Sreen Intelligent Charger

*MAX.CC 2 Amps

*Battery Charging & Discharge testing & Capacity Grading & Battery Resistance Testing
*Built in cooling fan with two temperature sensors

*Compatible with
IMR/3.7V Li-ion/3.8V Li-ion/LiFePO4/1.2V Ni-MH/Ni-Cd
32670 26670 26650 22650 21700 20700 18650, 18490, 17500, 18350, 14500, 10440, 16340(RCR123)
Ni-MH / Ni-Cd

Adjustable 4 (0.5A*4/1A*4/1.5A*4/2A*4) optional charging modes for different capacity battery.


1.Micro-programmed control unit, intelligent implementation of touch control, four slots operate independently and support the hybrid charging mode.
2.Using constant current, constant voltage charging mode.
3.Using DV control technology to reach higher charging efficiency. 
4.Color LCD display screen instantly shows charging progress, battery voltage,current, time,capacity,charge-discharge curve and display diagram of internal resistance testing.
5.Compatible with Ni-MH /Ni-Cd/ LiFePO4/ Li-ion 3.7v/Li-ion 3.8v battery for any capacity.
6.Fit in rechargeable cylindrical battery which diameter below 32mm,height 34-73mm.
7.AC 100V - 240V DC turn into 12V input mode (or DC 12V 5A vehicle-mounted input)
8.Functionality includes charging, discharging, capacity grading & battery resistance testing
9.All the discharge current is set to 0.5A.
10.Protection of opposite connection: corresponding battery slot showing “Battery Error” if battery reversed.
11.Protection of short circuit: corresponding battery slot showing “Battery Error” if battery short circuit.
12.Automatic activation function: automatically activate the "zero voltage" lithium battery.
13.Intelligent temperature control: built-in cooling fan will be according to the two temperature sensors, to detect machine internal temperature which rise to 60 degrees Celsius automatically open, drop to 40 degrees Celsius automatically stop, ensure the charger has good working condition. Avoid spontaneous combustion or ignition in high-capacity batteries during high temperature on the charge and discharge process.


Package include: 
1*Efan Lux S4 Battery Charger
1*USB Internal Resistance Testing Probes
1*AC/DC Adapter
1* Charging Cable
1*User Manual