4S 18650 Li-po Lithium Battery Capacity Indicator Module Arduino UNO ESP8266 Serial wifi Expansion Board Module Feature Details Quantity 140 pieces

Feature Details Quantity 140 pieces (10 wires x 14 lengths) Wire Type Pre-cut

Parameter Value Board Size 120mm x 180mm Copper Thickness 35 microns (standard) Substrate Material FR-4 Fiberglass Hole Diameter 0

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4S 18650 Li-po Lithium Battery Capacity Indicator Module Arduino UNO ESP8266 Serial wifi Expansion Board Module Feature Details Quantity 140 pieces4S 18650 Li po Lithium This battery type capacity indicator module display shows the display is more intuitive and more beautiful. A wider range of applications, nickel metal hydride batteries, 18650 and polymer lithium battery packs, lead acid storage, electric vehicle batteries, electric equipment can be used. This display has a reverse connection function, even if the positive and negative connection will not burn. To use the display just connect