Battery Monitor is a clean, modern battery monitoring app that gives you complete real-time insight into your device’s power system. Check charging current, temperature, battery health, voltage, technology, estimated capacity, and even OEM-specific cycle count when available.
The app also sends instant notifications whenever the charger is connected or disconnected.

Perfect for users who want accurate charging data, battery diagnostics, and long-term battery health tracking.

⭐ Key Features
🔌 Real-time Charging Current

View live charging/discharging current in mA

Supports devices with BatteryManager current property

Positive (charging) and negative (discharging) values

🧪 Battery Health & Technology

Health status: Good, Overheat, Cold, Dead, Over Voltage

Technology type: Li-ion, Li-poly, etc.

🔋 Battery Details

Battery Level (%)

Voltage (mV/V)

Temperature (°C)

Design Capacity (mAh)

OEM-specific cycle count (when available through system files/dumpsys)

⚡ Charging State Detection

AC charging

USB charging

Wireless charging

Instant alerts when charger is connected or disconnected

📢 Smart Notifications

Get a notification when:

Charger is plugged in

Charger is unplugged

Works even when the app is closed (via BroadcastReceiver)

🧬 Advanced Battery Diagnostics

Reads vendor-specific battery info on supported devices

Attempts multiple system paths and services to detect cycle count

Includes optional root-based fallback for maximum compatibility

🎨 Clean and Modern UI

Minimal, smooth, cards-based layout

Charging animation-style indicators

Inspired by professional battery meters

Light & clear pastel theme for readability

🛡️ Safe & Private

No unnecessary permissions

No internet access required

All data stays local on your device

📱 Why Use Battery Info?

Your phone’s battery health is one of its most important components. Battery Info helps you track real conditions so you can:

Detect overheating early

Understand charging speed

Monitor battery wear (cycle count)

Verify charger/cable performance

Maintain long-term battery health

🌟 Ideal For

Power users

Gamers

Device testers

Battery health enthusiasts

Anyone wanting accurate battery data