Specification

Product Name: 3.7V Smart USB Charger
Product Model: One with four chargers
Product input: DC 5.0V 2-2.5A
Product output: DC 4.2V 500mA
Product size: length 40*width 35*thickness 13mm
Set accessories: Charger + USB charging cable
Product weight: 18 grams
Applicable type: Suitable for 3.7V lithium battery charging
Step 1:
Connect the one-for-four charger to the mobile power source, such as (power bank, computer, car charger, etc.), and the charger indicator will not show any indication.
Step 2:
Correctly connect the lithium battery to the XH2.54 charging port of the one-to-four charger, the red light of the charger indicator will be on, and the lithium battery is in normal charging state.
Step 3:
When the lithium battery is fully charged, the charger indicator will automatically turn off and stop charging the lithium battery, you can remove the battery and use it normally.