CEPower JK/JBD BMS Monitor

CEPOWER now speaks 11 more languages: Polish, Romanian, Czech, Bulgarian, Slovak, Croatian, Slovenian, Lithuanian, Latvian, Estonian and Ukrainian.

CEPOWER Battery Monitor – JK & JBD BMS Real-Time Monitoring App

Monitor your JK & JBD lithium battery systems in real time via Wi-Fi — over Bluetooth or UART — through ESP32 modules. CEPOWER gives you full visibility into your battery performance — anywhere, anytime.

REAL-TIME MONITORING

• Track cell voltages, total voltage, current, temperature, and more
• Works with JK BMS and JBD / Overkill Solar BMS via ESP32
• Supports Bluetooth and UART / RS485 connection to the BMS
• Supports up to 20 batteries modules per user

WI-FI & BMS CONNECTIVITY

• Requires any ESP32 module with Wi-Fi
• Connects to your BMS via Bluetooth or UART / RS485
• Automatically fetches data every 10 seconds
• Handles reconnection automatically in case of Wi-Fi or BMS communication issues
• Easy Wi-Fi setup through the app without needing a computer

NOTIFICATION ALERTS

• Create your own battery alerts with flexible options
• Select which battery to monitor and define custom conditions
• Add, edit, or delete alerts at any time from the app
• Alerts are pushed to your phone even when the app is closed or running in the background
• Works seamlessly on both Android and iOS
• Alerts can be based on SOC, individual cell voltages, total voltage, current, and more

AUTOMATION WITH EWELINK & SONOFF

• Connect your battery monitoring to real-world actions via eWeLink
• Trigger any Sonoff smart device automatically based on battery conditions
• Set automation rules using any available sensor — SOC, cell voltage, current, temperature, and more
• Example: turn off a load when SOC drops below 20%, or activate a charger when voltage is low
• Works in the background — no manual intervention needed

ADMIN TOOLS AND OTA SUPPORT

• Do you install or build batteries? This app is the perfect tool for your workflow
• Admin login lets you view and manage all your customers' battery device IDs
• Monitor multiple device IDs remotely from several clients
• Combine multiple batteries under one client to track total consumption
• Real-time monitoring for any of your clients, anytime, anywhere
• Access 15 days of historical battery data with graphs and logs
• History is available in multiple languages with time zone selection
• Perform OTA firmware upgrades with version control and remote triggering
• Remotely modify BMS parameters for any of your clients' devices — available on business accounts

MULTIPLE LANGUAGES

CEPOWER is available in 23 languages

• Use the app in English, French, Arabic, German, Spanish, Hindi, Hungarian, Italian, Portuguese, Russian, Vietnamese, Chinese, Polish, Romanian, Czech, Bulgarian, Slovak, Croatian, Slovenian, Lithuanian, Latvian, Estonian, and Ukrainian
• Localized menus, alerts, automation settings, history, battery information, and device activation
• Arabic includes right-to-left layout support
• Language can be changed easily from the app settings

CROSS-PLATFORM EXPERIENCE

• Works on Android, iOS, web, and Windows PC
• Lightweight, fast, and user-friendly
• Designed for solar professionals, battery installers, and everyday users

Requires a Device-ID Number provided by us to connect to your battery. You can try the app live using one of our demo batteries — no setup needed. Call or email us for more information. (support@cepower.org)