EJBMS PRO vs Powerful BMS
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
EJBMS PRO
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The Apps main feature is to monitor the details of the E&J Lithium batteries. It can monitor multiple batteries at the same time, showing the main data details after series or parallel, showing details of each battery. Re-nameable each battery pack and auto-connect. The Phone via Bluetooth connectivity will monitor the following information from the battery. Battery Capacity Battery Voltage Battery Current (Amps) Battery State of Charge (SOC) Battery Status Individual Cell Voltage Battery Temperature Battery Cycles Please Note: Only one mobile device can connect to the battery at any one time. If you wish to connect a second device to the battery, you must close the program on the first device. This app is only applicable to the E&J Lithium batteries and will not work with any other brand/type of Bluetooth battery monitoring system, nor will any other branded app work with the E&J lithium battery.
Powerful BMS
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Real-time battery status monitoring The on-board equipment can accurately detect the voltage, SOC and SOH status of the battery when it is stationary by dynamically detecting the status of the vehicle. 4G data transmission The battery test results are regularly transmitted to end users and service providers through 4G, so as to understand the real-time status of the battery and monitor the battery usage trend to avoid any loss caused by sudden battery damage. Customized early warning/digital drainage Battery feed or deterioration warning can be customized according to requirements, and timely remind end users to collect effective measures. OEMs and their dealership stores can also use early warning information to remind end users to return to the store for battery testing and maintenance in a timely manner.
Screenshots
Verdict
The clearest difference is update cadence: Powerful BMS at every 2 months against EJBMS PRO's every 11 months. EJBMS PRO's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EJBMS PRO ships an update every 11 months, Powerful BMS every 2 months. The most recent releases landed on September 20, 2026 and September 27, 2026 respectively.
| Parameter | EJBMS PRO | Powerful BMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 โ better | 15.6 |
| Further details โ not scored | ||
| Size | 43 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | E&Jtechnology | Shenzhen Leagend Optoelectronics Co., Ltd. |
In-app purchases
EJBMS PRO
No in-app purchases
Powerful BMS
No in-app purchases







