Comparison

Imperium Lithium Power vs Overkill Solar

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Imperium Lithium Power

Monitor your lithium battery's status, including charge, discharge, and standby states. View real-time data like remaining capacity, voltage, and current to ensure safe operation. Access technical support by entering a password.

Highlights
  • Bluetooth BMS connection
  • Real-time battery status (charging, discharging, standby)
  • Remaining capacity (SOC) display
  • Voltage and current monitoring
  • Effective capacity reading
  • Technical support access
Features
Read full description

Imperium BMS connects to the battery management system (BMS) through Bluetooth to read the working status, remaining capacity(SOC), voltage, current, effective capacity, etc. 1. Operating state of the battery: three states of charging, discharging and standing. The blue light is the state of the battery. 2. Remaining battery percentage: displaying the remaining battery percentage allows the user to monitor their battery usage. 3. Voltage, effective capacity,: these are the battery working parameters to better understand the safety of the battery. 4. Technical Support: Enter the provided password for app engineers to provide support.

About

Overkill Solar

This app connects to a solar battery management system to provide detailed monitoring and control. Users can track cell voltage, capacity, current, and manage charging/discharging ports. It also offers advanced configuration options for calibration, balancing, and protection settings.

Highlights
  • Monitor cell voltage and capacity
  • Control charging and discharging ports
  • Calibrate voltage and current
  • Configure balancer and protection values
  • Log voltage, current, and power
  • Monitor BMS alarms and temperature
Features
Read full description

Overkill Solar iOS App allows users to connect with the Overkill Solar Battery Management System (BMS). It can monitor voltage of the cells, total capacity, charging and discharging current, and switch the charging and discharging ports on or off. Features: - change bluetooth advertising name - unlock hardware protected BMS - save or load BMS configurations - calibrate cells voltage and charging or discharging current - log maximum or minimum voltage, current and power - enable and configure the balancer - modify the capacity settings - monitor temperature - monitor BMS alarms - import and export .fig files - set level 2 and 3 advanced protection values

Screenshots

Imperium Lithium Power4 screens
Overkill Solar4 screens

Verdict

The call

The clearest difference is review sentiment: Overkill Solar at 100% against Imperium Lithium Power's 0%. Overkill Solar also leads on rating (4.8 vs 1.0) and ratings volume (21 vs 1). Imperium Lithium Power's advantage is update cadence (every 3 days vs every 4 months) and iOS requirement (9.0 vs 13.4). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Overkill Solar holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Overkill Solar has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Imperium Lithium Power's written reviews are positive against 100% of Overkill Solar's.

UpkeepUpdate frequency

Imperium Lithium Power ships an update every 3 days, Overkill Solar every 4 months. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Imperium Lithium Power versus Overkill Solar: the parameters behind the verdict, then further details
ParameterImperium Lithium PowerOverkill Solar
PriceFreeFree
Rating1.0 (1 ratings)4.8 (21 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings121 — better
Update frequencyEvery 3 days — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better13.4
Further details — not scored
Size49 MB21 MB
Age rating4+4+
DeveloperShanghai Shenlu Intelligence Technology Co., Ltd.Overkill Solar LLC

Customer experience

Imperium Lithium Power

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews6 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Overkill Solar

All ratings16 ratings
Positive87.5%
Neutral12.5%
Negative0.0%
Written reviews4 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Imperium Lithium Power

No in-app purchases

None

Overkill Solar

No in-app purchases

Questions

Is Imperium Lithium Power free?
Imperium Lithium Power is free to download, with no in-app purchases.
Is Overkill Solar free?
Overkill Solar is free to download, with no in-app purchases.
Which has better reviews, Imperium Lithium Power or Overkill Solar?
Overkill Solar is rated higher. Imperium Lithium Power averages 1.0 out of 5 from 1 ratings, while Overkill Solar averages 4.8 from 21 ratings.
Do Imperium Lithium Power or Overkill Solar have ads?
Neither Imperium Lithium Power nor Overkill Solar shows ads.
Which is updated more often, Imperium Lithium Power or Overkill Solar?
Imperium Lithium Power ships an update every 3 days, and Overkill Solar every 4 months. Most recently, Imperium Lithium Power was updated on October 5, 2026 and Overkill Solar on October 24, 2026.

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