Charger Recommendation:
PD 45W or above USB wall chargers (two batteries can be charged at the same time),
PD 65W or above USB wall chargers, full power charge two batteries at the same time.
Charging time: ( Take PD 65W input as an example)
Two batteries : About an hour.
Battery charging rules:
Less than PD 45W: Charging batteries in sequence according to their remaining power level, from highest to lowest one by one.
PD 45W or above: Full power charging the 1st battery which with the highest remaining power. The rest power will charge another battery which is on the same side/or on diagonal position, according to their remaining power level, from highest to lowest one by one.
PD 65W or above: Full power simultaneous charging 2 batteries.
Why not simultaneous charging?
When there are two batteries left to be charged, if they are not on the same side or not on diagonal position,
can not be recharged at the same time. Just move one battery to another compartment please.
Charging status indicator:
Charging : The red lights flash alternately.
Full battery : The green lights are always on.