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HJ High Quality Lipo 3S 2200mAh 25C Battery 11.1 for Quadcopter Plane Mulirotor at Rs 1500, Drones and Multi-Rotors in Midnapore

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BosLi-Po 6S Lipo Battery 22.2V 1300mAh 150C High Discharge Rate Lipo Battery with XT-60 Plug for FPV Quadcopter Racing Drone RC Drone : Toys & Games

Tattu 650mAh 4S1P 75C 14.8V Lipo Battery Pack with XT30 plug - Gens Ace

Restoring/Recharging Over-discharged LiPo (Lithium Polymer) Batteries! : 6 Steps - Instructables

Traxxas EZ-Peak Plus Fast Charger w/ ID 3S 11.1V 25C 6400mAh Lipo Battery

3.7V Rechargeable Hot Selling LiPo Batteries With JST PHR-2 LPHD5716040 10C 300mAh 1.11Wh

LiPo 22000 12S2P 44.4v SBS Battery Pack – MaxAmps Lithium Batteries

RC Battery Pack Best Practices: Charging, Discharging, Safety Tips For Radio Control LiPo Batteries

Polymer Lithium Ion Battery LiPo 1000mAh 3.7V 603450 JST 3 Pin Connector, SYDNEY

Upgraded my battery game from 30c with extra plug to 100c without the plug ,plus a new smart charger. What was the older battery's extra plug for? What's the difference between 30c