BaTTimer: Battery Calculator Live

Name: BaTTimer: Battery Calculator
Author: Joostafer

Joostafer2 apps · 2K installsToolsFree · contains adsIn-app purchases: $1.99 per itemcom.battimer.battimer

Battery runtime calculator: estimate battery life and charge time

Alert me ★ Watch Open in Play ↗

Total installs: 270
Installs / day: —
Rating: —★
Released: 1 Apr 2026
Last update: 16 Sept 2026
Countries: —

Install history

exact counter from Google Play

30dAll

Installs per day · last 90 days

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

Inspect the APK

Have this app's APK or XAPK file? Upload it to see the ad & analytics SDKs it bundles, a hidden home-screen launcher or accessibility access, the AdMob app id, and the full permission list — read straight from the file, nothing installed. Bring the file from your device or a mirror; we never fetch it from Google Play.

Permissions

6 in 1 group

0 Sensitive2 Notable4 Routine

OtherNotable6

Access to miscellaneous device features that don't fit other categories

Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Make your phone vibratecontrol vibration · VIBRATE
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

BaTTimer — battery runtime calculator and battery life estimator for discharge and charge. Calculate how long your battery will last under load or how long it takes to charge. This battery calculator supports LiFePO4, AGM, GEL, lead-acid and other battery types. Enter battery voltage (12V / 24V / 36V / 48V), capacity (Ah), and set minimum discharge level. Choose discharge or charge mode and input power or current in watts or amps. The app estimates battery runtime and shows a countdown timer. BaTTimer helps you avoid deep discharge and understand battery charge time using a simple and practical battery runtime calculator. Key features: • Battery runtime calculator (discharge & charge) • Battery life estimation based on load • Voltage, capacity, and discharge limit settings • Countdown timer for battery usage • Power input in watts or amps • Notifications before battery reaches limit • Profiles for multiple battery setups • Widget with active timer • Clean and simple UI Ideal for: • Solar systems and off-grid setups • UPS and backup batteries • DIY electronics • RV, boats, camping • Power banks and external batteries This battery calculator is useful for engineers, hobbyists, and anyone working with battery-powered systems. Note: Results are estimates and may vary depending on real-world conditions.

What's new

• Improved Android 15 compatibility with edge-to-edge display • Updated Google Play Billing library to 9.0.0 • Stability and performance improvements

Growing in Tools

Category →