---
title: "Battery Master 12V - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "Battery Master is the detection tool for lead acid battery.  By installed on battery, it can intelligently test battery CCA and health condition, calculate battery available use life based on temperat"
---

# Battery Master 12V — United States
> Battery Master

![Battery Master 12V App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/cf/4a/ad/cf4aadb6-904b-1f34-d1e3-4baee0294c21/AppIcon-0-0-1x_U007emarketing-0-11-0-85-220.png/434x0w.png)

**Developer:** [Shenzhen Leagend Optoelectronics Co](https://apptail.io/developer/shenzhen-leagend-optoelectronics-co-eLnWyc)
**Category:** Utilities
**Rating:** 3.4/5 (5 ratings)
**Price:** Free
**Bundle ID:** com.leagend.BT2000New
**Store:** Apple App Store
**Country:** United States
**Version:** 1.6.4 (released 2026-03-30)
**Original Release:** 2019-09-20
**Languages:** English, French, German, Chinese, Spanish

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id1480710112)
**AppTail Page:** [https://apptail.io/app/battery-master-12v-jgIb/united-states](https://apptail.io/app/battery-master-12v-jgIb/united-states)

## Battery Master 12V Description
Battery Master is the detection tool for lead acid battery. 
By installed on battery, it can intelligently test battery CCA and health condition, calculate battery available use life based on temperature and CCA data sheet. When phone is close to device, the app will automatically obtain battery test result. Also, user can alternatively test battery health, cranking system and charging system. All saved history test results can be shared and printed out.

## Battery Master 12V Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/0b/66/28/0b662818-a323-98d3-0c8e-45e38dd1f5cd/pr_source.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/08/69/74/08697414-3dc4-bd21-611a-95e42db8ea5e/pr_source.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/ed/fa/29/edfa296f-21f4-b1ba-895d-08c4f78f3737/pr_source.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/39/f5/7a/39f57aa2-5bc6-c5ca-4d5c-9273d06c47fb/pr_source.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/8a/60/68/8a606834-c16d-8746-fd96-87b0825977dd/pr_source.png/1242x2688.png)
- [Screenshot 6](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/d6/b6/a4/d6b6a4b2-dd68-aebe-7168-990f5d546020/pr_source.png/1242x2688.png)
- [Screenshot 7](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/23/0f/3d/230f3d30-ccfb-9952-6ffa-28bfd6b9fb90/pr_source.png/1242x2688.png)

## Battery Master 12V Rating Breakdown in United States
- 5 stars: 2 (40%)
- 4 stars: 0 (0%)
- 3 stars: 2 (40%)
- 2 stars: 0 (0%)
- 1 stars: 1 (20%)

## Battery Master 12V Reviews in United States

### ***-- "Unlike other monitors, no bt serial detection"
Unlike other monitors, no bt serial detection
-- iPhoneForLawyers, 2020-09-04

[View all Battery Master 12V reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)




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## Battery Master 12V Available In
- [Japan](https://apptail.io/app/battery-master-12v-jgIb/japan)
- [United States](https://apptail.io/app/battery-master-12v-jgIb/united-states)
- [Russia](https://apptail.io/app/battery-master-12v-jgIb/russia)
- [Germany](https://apptail.io/app/battery-master-12v-jgIb/germany)
- [Poland](https://apptail.io/app/battery-master-12v-jgIb/poland)
- [Saudi Arabia](https://apptail.io/app/battery-master-12v-jgIb/saudi-arabia)
- [Vietnam](https://apptail.io/app/battery-master-12v-jgIb/vietnam)
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- [Thailand](https://apptail.io/app/battery-master-12v-jgIb/thailand)
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- [Romania](https://apptail.io/app/battery-master-12v-jgIb/romania)
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- [Singapore](https://apptail.io/app/battery-master-12v-jgIb/singapore)
- [Slovenia](https://apptail.io/app/battery-master-12v-jgIb/slovenia)
- [Tunisia](https://apptail.io/app/battery-master-12v-jgIb/tunisia)
- [Türkiye](https://apptail.io/app/battery-master-12v-jgIb/turkey)
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- [Ukraine](https://apptail.io/app/battery-master-12v-jgIb/ukraine)
- [South Africa](https://apptail.io/app/battery-master-12v-jgIb/south-africa)
- [Argentina](https://apptail.io/app/battery-master-12v-jgIb/argentina)
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- [Belgium](https://apptail.io/app/battery-master-12v-jgIb/belgium)
- [Bahrain](https://apptail.io/app/battery-master-12v-jgIb/bahrain)
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---

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