Feature Specification Model JBD-SP14S004 Battery Compatibility Li-ion / LiFePO4 Series Support 7S to 14S Continuous Current 30A Bluetooth Built-in Bluetooth (iOS/Android app support) Communication UART / Bluetooth Dimensions 63mm x 52mm x 9mm Temperature Sensors 1 built-in, 1 external Balancing Cables Included Application E-bikes, E-motorcycles, EV systems Certification CE, RoHS Description JBD-SP14S004 is a software protection board scheme specially designed for 7~14 series lithium battery packs. The whole system adopts O2 front-end acquisition chip + Bluetooth MCU scheme, and some parameters can be flexibly adjusted through the upper computer according to the needs of customers. ① Applicable Battery : Li-ion /LiFePo4 ② Automatically Recognize 7S-14S, 63mm * 52mm * 9mm ③ Function Introduction 1) Built-in Bluetooth- Phone IOS version needs to pay to change the parameters (need to be within the specified range) Android version can change the parameter settings 2) UART - Computer (Set parameters) ④ Download link: 1) Phone-"Xiaoxiang BMS" IOS: Search it in the APP STORE Android: https://www.pgyer.com/Bzt1 ⑤ Package : BMS with built-in Bluetooth * 3 NTC * Wires