# BWI-PM400

> This is an APP of on-board power system TBB Power developed for PROJECTA

Canonical page: [https://chrome-stats.com/d/com.tbbpower.crystal.projecta](https://chrome-stats.com/d/com.tbbpower.crystal.projecta)

## Overview

- **ID:** `com.tbbpower.crystal.projecta`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** TBB Power Mobile
- **Category:** AUTO\_AND\_VEHICLES
- **Downloads:** 3,863
- **Version:** 1.1.14
- **Last updated:** 2025-11-07
- **First published:** 2019-04-02
- **Publisher country:** CN
- **Size:** 24 MB
- **Data as of:** 2026-09-10
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.tbbpower.crystal.projecta)
- **Website:** [http://www.tbbpower.com](http://www.tbbpower.com/)
- **Privacy policy:** [http://sies2.tbbpower.com/PrivacyPolicy.docx](http://sies2.tbbpower.com/PrivacyPolicy.docx)

## Description

"BWI-PM400" is a specialized Android app designed for TBB’s on-board power control and management system. It enables users to monitor and manage batteries, water tanks, electrical devices, and other appliances within vehicles. Integrated smart control features like Master Switch and automatic operation based on battery state of charge (SoC), ambient temperature, and brightness enhance functionality. The app includes safety alarms for short circuits, overloads, and faults, ensuring reliable performance.

## Rankings

- #777,057 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.BLUETOOTH_ADVERTISE`
- `android.permission.BLUETOOTH_CONNECT`
- `android.permission.BLUETOOTH_SCAN`
- `android.permission.INTERNET`
- `com.tbbpower.crystal.projecta.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.tbbpower.crystal.projecta)