3.7V Li-ion Polymer 900mAh, what is the 3rd wire for? Trying to find a replacement but higher mAh, seems like almost all only have a + & - wire : r/diyelectronics
FRIWO 1S2P 3,7V 5200 mAh 3-pin JST connector - Awilco
Good Qulity Jst Ph 1.0mm 3 Pin 3.7v,300mah 402035 Polymer Lithium Ion / Li-ion Battery For Tablet Pc Bank,gps,mp3,mp4 - Digital Batteries - AliExpress
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Dantona Rechargeable Lithium Ion (Li-ion) Hs-t101 Headset Batteries in the Device Replacement Batteries department at Lowes.com
Lithium Ion Polymer Battery 3.7v 100mAh - Corzotech
3.7V 7500mAh 3 Cell Lithium ion 18650 27.75Wh Rechange Battery Pack with 2 Pin MTA-100 Connectors
3 Cell Li-ion 3*18650 3.7v Lithium Battery Holder With Wire Leads / Pc Pins - Buy 3*18650 With Wires Cable,3*18650 With Pc Pin,18650 Battery Case Holder 3 X 3.7v Battery Storage Box
JST PH 1.0mm 3 pin Liter energy battery 3.7V,1200mAH 103040 Polymer lithium ion / Li ion battery for tablet pc BANK,GPS,mp3,mp4|Digital Batteries| - AliExpress