[email protected]   00 86 755 23036551



Free shipping on order over US$49.9

Acebeam Advanced Multi Charger-A4 21700 Battery

Acebeam Advanced Multi Charger-A4 21700 Battery


Broad spectrum of Li-ion, LiFePO4, Ni-MH, Ni-CD rechargeable cell size.Supporting AC charging and DC charging.A4 Charger automatically identification of Li-ion/Ni-MH/Ni-CD battery, manually select the LiFePO4 battery.Each of the four battery slots monitors and charges independently.LCD display of each cell’s voltage, charging current, charging time and battery type. Advanced protection against short circuiting, overcurrent, overcharging and wrong polarity direction.

Availability: 74 in stock




Input: 100-240V(AC), 50/60Hz, 600mA(Max)

          12V-24V(DC) 2000mA(Max)

Output: 4.2V/3.65V/1.5V 500mAx4/1000mAx4

Size: 145x104x39.5(LengthxWidthxHeight)

Weight: 260g

Operating Temperature: 5%(0℃)-90%(40℃)

(full load in normal working conditions)

Product ratings

Compliant Standards:  TUV GS FCC CE C-TICK CB ROHS

How to charge cells

. Plug the power cable into a standard AC outlet or plug the car adapter into the cigarette lighter in your vehicle. The charger automatically check the battery.

2. If the charger stand for 30s without inserting batteries or pressing the switch buttonIt will start the energysaving function as brightness of LCD screen decreased

3. Reverse insert battery or wrong operation will lead the LCD screen display "Err". A4 charger automatically identified Li-ion/ni-MH/Ni-CD battery, LiFePO4 battery could be selected manually. Default current is 500mA, 1000mA is available if needed.

4. Button A/B/C/D corresponding to the separate charging slot.

Short press 1S: Select of charging current 500mA or 1000mA .

Long press 5S: select charging mode between Li-ion and LiFePO4 .

5. For safety, A4 will automatically stops charging when reach 12 hours. Remove batteries and unplug the power whenchargingdone.


1. For your protection and that of the cells being charged use the A4 only as instructed.

2. Disconnect the power supply when charging is completed.

3. Do not attempt to charge with AC and car power sources at the same time.

4. Do not attempt to dismantlemodify A4 or use it for other purposes.

5. As an electrical appliancekeep the charger out of reach of children.

Existing reviews

very good!
Using for 18650 battery. Fast charging is very useful and big LCD is easy to check battery status. Price is also nice👍
Yoshikaze | 9/18/2021 10:11 AM
Write your own review

Customers who bought this item also bought