21v1a battery charger lithium battery power adapter

Description

Charging principle: The first stage of constant current charging starts, and the indicator light shows red. When the charging reaches the rated voltage, it switches to the second stage of constant voltage charging. As the voltage increases, the current slowly decreases. When the charging current reaches the turning light current, the indicator light turns green. At this time, the battery has been charged to about 95%, and the charger continues to charge with a small trickle until it is 100% fully charged. Rest assured for insurance High temperature resistant ABS+PC flame-retardant environmental protection material has passed many high temperatures And explosion-proof test to give you more peace of mind Wire output is very important Use normal standard thickened pure copper copper wire, the overall wire diameter is 3.5mm, minus With less voltage drop and line loss, the transmission speed is faster and more stable.