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Continue to ChatBMS 4S 20A LI-ION LITHIUM 18650 BATTERY PCM 14.8V 16.8V PROTECTION PCB BOARD https://www.multanelectronics.com/product/bms-4s-20a-li-ion-lithium-18650-battery-pcm-14-8v-16-8v-protection-pcb-board/
BMS 4S 20A LI-ION LITHIUM 18650 BATTERY PCM 14.8V 16.8V PROTECTION PCB BOARD https://www.multanelectronics.com/product/bms-4s-20a-li-ion-lithium-18650-battery-pcm-14-8v-16-8v-protection-pcb-board/