Steel Round BarChina Good PCB Manufacturer Supply PCM L28*W14*T2.5mm 2s 7.4V 12A BMS PCM Modle PCM-Lws-2s12A-021 (2S10A) Best Quality High-Frequency PCB Charge Controller, Find details about China Smart Electronics, BMS from Good PCB Manufacturer Supply PCM L28*W14*T2.5mm 2s 7.4V 12A BMS PCM Modle PCM-Lws-2s12A-021 (2S10A) Best Quality High-Frequency PCB Charge Controller