I've run this old pack through the balance charge three times. Every time the charger times out and one cell is still stuck a 3.92V. Is it pooched? : r/rccars
SKYRC iMAX B6 Mini Professional Balance / Discharger for RC lipo Battery Charging - Walmart.com
Polymer Lithium Ion Battery LiPo 100mAh 3.7V 302025 JST 3 Pin Connector, SYDNEY | eBay
3.7V 1100mAh 503450 JST 1.25mm 3pin plug RBY Lithium Polymer LiPo Rechargeable Battery For MP3 DVD PAD camera recorder Speaker - AliExpress
Ultra-Thin LiPo Battery - 0.1mm thickness you can find here
Using Li-ion Battery Packs for Long Range FPV Drone Flying: Pros, Cons, and Recommendations - Oscar Liang