Projecta BM500 vs KA Lithium
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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%
KA Lithium
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Monitor your KA lithium battery in real-time with the Bluetooth App. Check SOC, charge and discharge current, battery voltage, and battery temperature, and monitor any system alarms. Connect to either a single battery or multiple batteries in series and parallel for a single monitoring solution for your battery bank installation with KickAss Lithium batteries.
Screenshots
Verdict
Projecta BM500 and KA Lithium are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Projecta BM500 ships an update every 7 months, KA Lithium every 4 months. The most recent releases landed on October 11, 2026 and October 30, 2026 respectively.
| Parameter | Projecta BM500 | KA Lithium |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Every 7 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 24 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | TBB Power Co., Ltd | Kickass Products Pvt Ltd |
In-app purchases
Projecta BM500
No in-app purchases
KA Lithium
No in-app purchases
Questions
Is Projecta BM500 free?
Is KA Lithium free?
Do Projecta BM500 or KA Lithium have ads?
Which is updated more often, Projecta BM500 or KA Lithium?
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