Item No.: H501S Item Name: EC2 Plug Battery Parallel Cable Product overview The EC2 Plug Battery Parallel Cable lets you connect two batteries in parallel to increase available flight time for compatible RC aircraft. Designed for use with the H501S X4 RC Quadcopter, this metalbodied cable provides a reliable plug and play connection for pilots who need longer run times or want a straightforward power upgrade. Key benefits Longer flight time: Connect two batteries in parallel using EC2 plugs to extend operating time without changing the aircraft or battery chemistry. Secure connection: EC2 plug interface ensures a firm connection for both batteries and reduces the risk of intermittent power loss during flight. Durable construction: Made with metal components for reliable contact and long service life under normal RC use and assembly. Easy to install: Built as an upgrade accessory compatible with the H501S X4 RC Quadcopter and other RC vehicles that accept EC2 connections, fitting into assembly and frame upgrades. Compatibility and specifications Compatible model: H501S X4 RC Quadcopter Use: Vehicles and remote control toys; applicable to airplanes and multirotor models that use EC2 plugs Material: Metal Application category: Upgrade parts and accessories, frame and assembly supplies Technical parameter: KV1100 Pack options: 1pcs: 1 x EC2 Plug Battery Parallel Cable 2pcs: 2 x EC2 Plug Battery Parallel Cable 5pcs: 5 x EC2 Plug Battery Parallel Cable 10pcs: 10 x EC2 Plug Battery Parallel Cable Function and performance This cable links positive and negative battery terminals through EC2 connectors to create a parallel battery configuration. It supports common RC assembly workflows and is intended for users familiar with battery wiring and parallel connection basics. The metal connectors deliver consistent electrical conductivity for dependable performance during typical RC operation. Typical use scenarios Aerial photography session: Connect two batteries in parallel for longer flight time during extended photo or video missions with the H501S X4. Training and practice flights: Use the cable to lengthen practice sessions without frequent battery swaps, useful for pilots working on maneuvers or remote control skills. Field testing and development: Integrate the cable into frame upgrades or bench tests when evaluating flight endurance or power system changes. Notes Intended for users who understand parallel battery connections and proper polarity. Follow standard RC battery wiring practices when installing. Sold in multiple quantity options to suit hobbyists, shops, and assembly projects.