The AC258DM-3V4400 is 3.7v 4400mAh version of AC258 li ion rechargeable battery pack. Application: heater coat, heated riding gear, heated hunting suit and other 3v heated wear products.
Battery ID: AC258-3V4400
Cell inside: 2pcs li ion 18650 battery
Dimension: 23*48*74mm
Capacity: 3.7v 4400mAh
Input: 4.2v 2.5A max
Output: 4.2v~3V 2.5A max, Constant DC or Pulse DC output both.
Input/Ouput Terminal: 3.5*1.35mm coax type,
or designated connector in extension cable.
Weight: 113g
Function Code: DM(PC+CC)
The AC258DM-3V4400 battery is a Dual Mode battery which has constant DC output and pulse DC output both.
In constant DC output mode it provide 4.2v~3v continues current works with 3v electronic devices, or works with our T21sicpu the silicon pushbutton heat controller for heating wear application, the silicon button heat controller allow user operates the heating gears very easily. Our T21sicpu silicon heat controller works for 3v/7v…