ABC vs Epoch Li
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ABC
This application serves as a battery management system, connecting users to their secondary batteries. It focuses on protecting the battery, optimizing its utilization, and preventing overcharging and over-discharging. It is suitable for various lithium battery products.
- Secondary battery protection
- Optimizes battery utilization
- Prevents overcharging
- Prevents over-discharging
- Supports lithium battery products
Read full descriptionHide full description
Battery management system (BMS) is the link between the battery and users. The main object is to protect the secondary battery, which is to improve the utilization rate of the battery and prevent over charging and over discharging of the battery. It can be used in various lithium battery products such as electric vehicles, battery vehicles, robots, UAVs and so on
Epoch Li
Monitor your lithium-ion battery system in real-time via Bluetooth. View voltage, current, power, and internal resistance. Receive alerts for temperature, short circuits, and voltage deviations to extend battery life and enhance stability.
- Real-time voltage, current, power, and internal resistance display
- Individual battery voltage and alarm status monitoring
- Cell comparison and balancing display
- Temperature and critical parameter warnings
- Record of all warnings and protection events
Read full descriptionHide full description
Make sure you have the latest app version. Turn on your Bluetooth. Tap the icon to open the App. It will search for all Epoch batteries within the range of your Bluetooth device and provide a list. If all the batteries are not listed, move closer to the battery location and refresh the screen. Choose the battery you want to look at. The Epoch intelligent battery management system and the active equalizer are connected via Bluetooth to monitor the battery status, collect, store and process information during battery operation in real time, exchange information with external devices, and solve the safety, usability and usage of the lithium battery system The key issue of life is to extend the service life of the battery to a certain extent, and to enhance the stability of the battery pack to a certain extent. 1. Display real-time voltage, current, power, internal resistance and other parameter values, and display them in the form of instrument panels and numbers; 2. Display the real-time voltage and alarm status of all single batteries. If the reported parameters trigger the alarm value or protection value, an alarm will be prompted; 3. Each data comparison of the battery cell, the voltage difference. Maximum voltage cell Minimum voltage cell. And the display of cell balance 4. Cell temperature warning. Real-time alarm for over temperature, short circuit, over voltage, under voltage 5. Record the warnings that occur at each moment. 6. Record all battery protection times. Best Regards ！
Screenshots
Verdict
The clearest difference is rating: Epoch Li at 2.6 against ABC's 1.8. Epoch Li also leads on update cadence (every 3 weeks vs every 2 months) and review sentiment (29% vs 21%). ABC's advantage is iOS requirement (10.0 vs 13.0). On price, ratings volume, ads and in-app purchases 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.
Epoch Li holds the better App Store score, 2.6 against 1.8. Both are backed by a comparable volume of ratings — 24 and 70 respectively. Written reviews point the same way: 21% of ABC's written reviews are positive against 29% of Epoch Li's.
ABC ships an update every 2 months, Epoch Li every 3 weeks. Both last shipped on October 24, 2026.
| Parameter | ABC | Epoch Li |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (24 ratings) | 2.6 (70 ratings) — better |
| Positive reviews | 21.1% of reviews | 29.2% of reviews — better |
| Number of ratings | 24 | 70 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 35 MB |
| Age rating | 4+ | 17+ |
| Developer | 春光 宋 | EDG Sales International LLC |
Customer experience
ABC
Epoch Li
Bugs and requests
ABC
Not enough reviews yet to summarise bugs or requests.
Epoch Li
Reported bugs
14 issues- Bluetooth does not auto-connect
- Bluetooth signal frequently drops
- App crashes frequently
- App disconnects when minimized or switching apps
- App does not remember previously connected devices
Show 9 moreShow fewer
- App shows incorrect battery charge levels
- App history tab is useless
- App is not documented, data is unclear
- App shows 0% or no data after recent updates
- App does not always reflect true battery charge
- App cannot see information from multiple batteries in series
- App has backward animations and sloppy UI
- App requires password for advanced settings without providing it
- App disconnects and will not re-connect until app is killed and reopened
Requested features
10 requests- Filter Bluetooth devices by MAC address prefix
- Implement BLE non-exclusive connection
- Bring back old app features (time to charge/discharge)
- Document app data and features
- Provide password for advanced settings
Show 5 moreShow fewer
- Allow saving of battery connections/names
- Release old app as a separate option
- Improve Bluetooth connection stability and range
- Fix incorrect battery charge readings
- Display data for multiple batteries in series correctly
In-app purchases
ABC
No in-app purchases
Epoch Li
No in-app purchases
