Battery Internal Resistance vs BossBattery

Effortlessly gauge battery health and performance by calculating internal resistance with precision.

The app doesn't try to obtain unavailable data, but offers a fair approach: you enter real data from the settings, and we create an accurate forecast. WHAT YOU WILL SEE: • Current charge level and status • Charging details (power, charger type) • Charging speed analysis • Estimated number of months until the battery capacity drops to 80% FEATURES: • Manual entry of cycles and maximum capacity • Calculation based on the real lithium-ion battery degradation formula • Background data update • Notifications when battery health drops • Export history to CSV CHARGING DETAILS: • Wattage (W) • Voltage and current • Charging type: fast, wireless, standard, slow • Time to full charge FORECAST: • Based on the number of cycles and current battery health • Indicates how many months until the battery capacity drops to 80% • Helps plan battery replacement INTERFACE: • Beautiful circular indicator • Detailed information in cards • Dark and light themes • Intuitive Design All data is stored locally on your device. Nothing is sent to servers.