EJBMS PRO vs WELL POWER
Price, ratings, monetisation and update history for both apps, side by side — 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.
WELL POWER
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An app that quickly connects to a battery protection board via Bluetooth, allowing users to conveniently and quickly view battery operation data and set relevant protection parameters 1. View real-time data on battery voltage, current, and temperature; 2. View battery alarm, protection, and fault status information; 3. Set battery parameters and protection information;
Screenshots
Verdict
The clearest difference is update cadence: WELL POWER at every 2 months against EJBMS PRO's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · 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, WELL POWER every 2 months. The most recent releases landed on September 20, 2026 and October 7, 2026 respectively.
| Parameter | EJBMS PRO | WELL POWER |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 43 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | E&Jtechnology | 深圳鑫宏辉新能源科技有限公司 |
In-app purchases
EJBMS PRO
No in-app purchases
WELL POWER
No in-app purchases









