Application: This dual battery discharge converter is compatible with 20V-72V batteries and controllers, with an input voltage range of DC 20-72V. Current Increase: The dual battery parallel module for electric bikes increases current and battery capacity while enabling simultaneous discharge, providing extended power for your electric bike. Support for 2 Battery Packs: The module manages two battery packs on your bike, allowing both to supply power simultaneously or operate using a single battery pack. XT60 Interface: Features an XT60 connector; the male end serves as the input connected to two batteries, and the female end acts as the output connected to the controller. Aluminum Alloy Construction: Made from high-quality aluminum alloy, the dual battery adapter is durable, lightweight, and designed for long-term use. Package Includes: 1 x Dual Battery Parallel Adapter