2PCS 4S 16.8V 18650 Lithium Battery Charger Protection Board PCB BMS 40A Module
![2PCS 4S 16.8V 18650 Lithium Battery Charger Protection Board PCB BMS 40A Module](http://ae01.alicdn.com/kf/H6116b149a27f4eb397e10900cd9b7d2ab/2PCS-4S-16-8V-18650-Lithium-Battery-Charger-Protection-Board-PCB-BMS-40A-Module.jpg_350x350.jpg)
sku: 1005001407694261
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$3.72
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