Battery Guardian: Charge Alarm

Battery Guardian: Charge Alarm is a tools app by FreeRouter Team with 1,000+ downloads (about 1.1K estimated). +74 installs in the last 7 days. Released Jul 13, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “Battery Guardian helps you build healthier charging habits with a loud charge alarm, live battery temperature monitoring, and charge cycle tracking. No account, no sign-up — open the app and set your limit. 🎯 CUSTOM CHARGE ALARM Choose your target charge level — 80%, 85%, 90% or 100% — and Battery Guardian plays a…”