4$ LIPO checker (1-4S)

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$4 LIPO checker that can be used quickly to see all the cell voltages. (Supports 1-4S LIPOs, Li-ion or any similar batteries with 2.5V-30V cell voltage). Things you need: - 4 x Voltage displays (https://www.banggood.com/0_28-Inch-Two-wire-2_5-30V-Three-wire-0-100500V-Digital-Display-DC-Voltmeter-Adjustable-Voltage-Meter-p-1530256.html?p=P2081224690790201809&custlinkid=728841) - 1 x Balance wire (https://www.banggood.com/JSTXH-LiPo-Balance-Wire-10CM-2S-3S-4S-5S-6S-p-925209.html?p=P2081224690790201809&custlinkid=728842) Wiring: Balance Wire 1 (ground) to-> First voltage displays Ground Balance Wire 2 to-> First voltage display Plus Balance Wire 2 to-> Second voltage display Ground Balance Wire 3 to-> Second voltage display Plus Balance Wire 3 to-> Third voltage display Ground Balance Wire 4 to-> Third voltage display Plus Balance Wire 4 to-> Fourth voltage display Ground Balance Wire 5 to-> Fourth voltage display Plus Remember to use heat shrink to isolate your solderings! After soldering and testing that everything works, Adjust screws behind voltage displays until each display show correct cell voltage!