INVICTA Lithium vs Projecta BM500
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
INVICTA Lithium
Monitor your lithium battery's details via Bluetooth connection. Check real-time battery status to understand its condition and receive timely reminders. This utility tool provides essential battery insights for your device.
- Monitor battery details
- Bluetooth connection
- Check battery status
- Receive reminders
- Utility tool
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The app's main function is to monitor the details of the battery. The iPhone via bluetooth and battery connection, check the data of the battery. We can know the status of the battery now, to remind us what to do next. The Best Utility tool for monitoring your lithium battery! Some phones (tablet) cannot connect with any BLE. devices since its hardware does not support. BLE,irrelevant to the system version. One mobile phone only can connect with one battery. every time,vice versa. If you want to connect this battery with another mobile phone,pls exit this program.
Projecta BM500
This kit allows users to monitor their battery systems, displaying key information like current, voltage, state of charge, and remaining time. It is compatible with various battery types and voltages, offering accurate measurements for a comprehensive understanding of battery health.
- Real-time current monitoring up to 500A
- Supports 12V, 24V, or 48V DC battery systems
- Compatible with AGM, GEL, and LFP batteries
- Displays voltage, SOC, and time remaining
- Accurate current (+/- 0.4%) and voltage (+/- 0.3%) measurements
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TBB'battery monitor kit is composed by a battery shunt and a monitor which allow the user to fully understand his/her battery. Here is some quick facts of this kit: 1) Measurement current is up to 500A 2) Is able to work with battery (or battery bank) 12Vdc, 24Vdc or 48Vdc 3) Compatible with AGM, GEL or LFP battery 4) An elegant design monitor to display battery information such as current, voltage, SOC, time remaining etc. 5) The monitor could be installed at any location where with easy access to users 6) Measurement accuracy: Current: +/- 0.4% Voltage: +/- 0.3%
Screenshots
Verdict
The clearest difference is review sentiment: INVICTA Lithium at 100% against Projecta BM500's 0%. INVICTA Lithium also leads on update cadence (every 3 months vs every 7 months) and iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and monetization model 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.
INVICTA Lithium ships an update every 3 months, Projecta BM500 every 7 months. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.
| Parameter | INVICTA Lithium | Projecta BM500 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Update frequency | Every 3 months — better | Every 7 months |
| 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 | 14 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | SPB SealedPerformanceBatteries | TBB Power Co., Ltd |
Customer experience
INVICTA Lithium
Projecta BM500
In-app purchases
INVICTA Lithium
No in-app purchases
Projecta BM500
No in-app purchases
Questions
Is INVICTA Lithium free?
Is Projecta BM500 free?
Do INVICTA Lithium or Projecta BM500 have ads?
Which is updated more often, INVICTA Lithium or Projecta BM500?
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