Lithium Battery Dual Parallel Module 5A Increases Current and Discharges Simultaneously. XT30U Connector Applicable Range: 10-100V Description: The dual parallel module manages two battery packs on your bicycle, providing intelligent, balanced power to both battery packs simultaneously. Connector: XT30U connector. Please the connectors match before purchasing. Note: 1. The voltage differential between the two batteries cannot differ significantly. If the controller does not support a wide voltage range, damage to the device may occur. Different battery capacities are acceptable. 2. If you need to use battery packs with different voltages, first confirm that the controller supports it. If it does not support multiple voltages, please purchase with caution. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Color: As Shown Material: Aluminium Package Contents: 1 * Dual Battery Balanced module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.