CEPower JK/JBD BMS Monitor

Elie from CEPOWER

About this app

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

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. ([e-mail])

What’s new

- Introducing JBD / Overkill Solar BMS support — parameters and live monitoring now available
- Parameter page now adapts automatically to your BMS brand with grouped categories and descriptions
- Fixed local OTA upgrade failing due to device IP not loading correctly
- Improved firmware update status indicator on the upgrade page