20pcs 4S 14.8V/16.8V 18650 Polymer Lithium Battery Protection Board Balanced Function Discharge Shunt Balance 4.2V 66mA

Usage For non balanced rechargeable lithium battery pack the charge balance makes the battery pack in the battery pack at the same time fully charged Specifications Equalization Voltage 4 2VEqualizing Current 66mAProduct Size 26 20 5 2 4mm Noted The balance sheet does not charge and discharge protection function can not replace the protection board when the battery is charged the first fully charged battery through the resistance discharge when the split equalization Connection B Connect the negative of the battery packB1 Connect the battery 1 to the contacts in battery 2B2 Connect the battery 2 to the contacts in battery 3B3 Connect the battery 3 to the contacts in battery 4B4 Connect the positive of the battery pack Package Included 20 x 4S 14 8V 16 8V 18650 Polymer Lithium Battery Protection Board