17/09/2021
For all Readygo batteries model FB12V20
FB12V30
FS12V40
an automatic V222 Version Update to fix bugs on battery overcharge ,
Increase Power Supply Mode,
Optimized overvoltage charging detection is available.
Connect using your 1.2.8 APP and connect to upgrade
Also for all 24V batteries main board update to fix bugs is available from V618 to Version 630
FYI Mam/Sir please also inform your clients