# KG Serials

> Electrical parameter meter with protection functions and real-time monitoring. (iPhone/iPad app by Hangzhou Junce Instruments Co., Ltd..)

- Source: https://appshunter.io/ios/app/kg-serials/id1556594835 (this page in markdown: same URL + `.md`)
- Developer: [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983)
- Category: Utilities
- Price: Free
- Rating: 3.43/5 from 7 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 30 MB
- Languages: English, Chinese, Chinese
- Released: 2021-03-05
- Data updated: 2026-07-03
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/kg-serials/id1556594835/reviews.md

## What is KG Serials?

The VAG series volt-ampere meter is a new type of coulomb counter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, watt-hours, time, etc. It can also set parameters to realize multiple protection functions such as over voltage protection, under voltage protection, over current protection, overpower protection, over temperature protection and time limit protection.The meter can automatically identify the direction of the current, and can monitor the battery capacity in real time and display the measured data in use color LCD screen. The VAG series voltage and current meters add voltage and current curve display and export functions on the basis of the original functions. At the same time, the mobile phone APP and host computer can be used to control, and the firmware can also be updated and upgraded in real time.

## Key features

- Measures voltage, current, power, capacity
- Multiple protection functions (over/under voltage, over current)
- Real-time battery monitoring
- Color LCD display
- Voltage and current curve display
- Mobile app and PC control
- Firmware updates

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/kg-serials/id1556594835/reviews.md

### 3/5 — Disconnect issues

*2024-03-16*

Overall great app but please add a feature to enable auto-reconnect, it keeps disconnecting and I have to re-connect every 5 seconds. If signal drops, keep re-attempting, this is quite painful.

## Frequently asked questions about KG Serials

### What electrical parameters can KG Serials measure?

KG Serials can measure voltage, current, power, charge/discharge capacity, watt-hours, and time. It also displays voltage and current curves.

### What protection functions does KG Serials offer?

KG Serials provides multiple protection functions including over voltage, under voltage, over current, overpower, over temperature, and time limit protection.

### How does KG Serials display data?

Measured data is displayed in real-time on a color LCD screen. It also supports voltage and current curve display and export functions.

### Can KG Serials be controlled remotely?

Yes, KG Serials can be controlled via a mobile phone app and a host computer. Firmware can also be updated and upgraded in real-time through these interfaces.

### What is the user rating for KG Serials?

KG Serials has a rating of 3.4 stars from 7 ratings.

### Is KG Serials free to use?

Yes, KG Serials is available for free. It does not have in-app purchases or advertisements.

### What devices is KG Serials compatible with?

KG Serials is supported on iPhone, iPad, and iPod devices.

### When was KG Serials last updated?

The latest version of KG Serials, 1.4.2, was last updated on July 26, 2023.

## Version history (last 5 releases)

### 1.4.2 — 2023-07-26

Fix the bug of automatic connection failure every time you enter the application after connecting to the device for the first time

### 1.4.1 — 2023-07-25

Modifying iPad Display Style

### 1.4.0 — 2023-07-17

Modify landscape display style

### 1.2.1 — 2022-05-08

add protection funtion

### 1.2.0 — 2022-04-10

1.增加扩展服务;
2.历史曲线刻度可调;

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## More apps by Hangzhou Junce Instruments Co., Ltd.

- [PSG9000 Signal Generator](https://appshunter.io/ios/app/psg9000-signal-generator/id1535583981)
- [KL Serials](https://appshunter.io/ios/app/kl-serials/id1576480701)
- [KD Serials](https://appshunter.io/ios/app/kd-serials/id1576490437)
- [DROK Meter](https://appshunter.io/ios/app/drok-meter/id1592645662)
- [jds8000](https://appshunter.io/ios/app/jds8000/id1640964381)

All apps by Hangzhou Junce Instruments Co., Ltd.: https://appshunter.io/developer/1535583983

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-03.*