# Imperium Lithium Power vs Overkill Solar

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.

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

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.

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.

## The numbers

| Metric | Imperium Lithium Power | Overkill Solar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/imperium-lithium-power/id1574342104/reviews) | **[4.8 (21 ratings)](https://appshunter.io/ios/app/overkill-solar/id6444233824/reviews)** |
| Number of ratings | 1 | **21** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 months |
| Monetization | Free | Free |
| Size | 49 MB | 21 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Shenlu Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1570129890) | [Overkill Solar LLC](https://appshunter.io/developer/1653276724) |

## What reviewers say

### Imperium Lithium Power

[App page](https://appshunter.io/ios/app/imperium-lithium-power/id1574342104)

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:** macOS Compatibility

**In-app purchases:** none


### Overkill Solar

[App page](https://appshunter.io/ios/app/overkill-solar/id6444233824)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*