Features with a 100W USB-C, a 12V/10A car output and a USB-A ports, you can use the B300 as a portable power station. The smart MPPT inside of the B300 enables it to recharge quickly through solar power at a 200W maximum loading scale. You can also recharge it by wall socket, car charging or lead-acid battery. Car charging and lead-acid battery charging need to be realized through D050S.