Gens ace G-tech 1700mAh 7.4V 35C 2S HardCase 141# Car Lipo Battery Pack with a patented iEC2 plug, specifically designed for the Arrma Grom Series and other mini scale vehicles.The compact hardcase structure with a 1700mAh capacity delivers a durable and enjoyable experience.Features Enhanced Cost Efficiency: Offers longer run times, providing more enjoyment. Patented iEC2 Plug: Our self-designed iEC2 plug ensures maximum compatibility with original vehicle connectors. Reverse Polarity Protection: The iEC2 plug is engineered to prevent reverse connection, adding safety to your setup. Wide Compatibility: The iEC2 plug perfectly matches EC2 and IC2 device connectors. Perfect Fit: Small 1/18 GRANITE GROM, small scale TYPHON GROM Buggy, MOJAVE GROM. Spec DataWeight 99gHeight 21mmLength 101mmWidth 31mm