AG LITHIUM vs Sunlink BMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AG LITHIUM
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With this app, the current status of the AG POWER LITHIUM battery can be easily monitored via Bluetooth. Within a radius of 5m, one battery is currently linked to the app.
Sunlink BMS
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Sunlink BMS is an intelligent battery management platform, which can support up to 20 strings of display. Using Bluetooth wireless connection to monitor detailed battery information in real time, such as charging and discharging voltage, charging and discharging current, pack temperature and cell temperature.Supporting bluetooth scanning connection, and bilingual display in Chinese and English.
Screenshots
Verdict
The clearest difference is update cadence: Sunlink BMS at every 3 months against AG LITHIUM's every 9 months. Sunlink BMS also leads on iOS requirement (9.0 vs 12.0). 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.
AG LITHIUM ships an update every 9 months, Sunlink BMS every 3 months. The most recent releases landed on September 15, 2026 and October 4, 2026 respectively.
| Parameter | AG LITHIUM | Sunlink BMS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | AG AUTOMOTIVE GmbH | Shenzhen RF-star Technology Co., Ltd |
In-app purchases
AG LITHIUM
No in-app purchases
Sunlink BMS
No in-app purchases
