MPPT - Solar Charge Controller Multiplus Quattro Inverter Charger BMV Battery Monitor ESS CCGX Color Control Venus GX - VGX VRM Lithium Battery Multiplus-II Generator Phoenix Inverter bms VictronConnect BYD EasySolar All-in-One Firmware Update Issue Venus OS battery charging Battery Protect Blue Smart Charger soc parallel Energy Meter VEConfigure 3 temperature sensor Fronius offgrid charging VE.Bus charger