Angka Baterai Itu Cuma Tebakan
A phone's battery percentage is not a direct measurement, but an estimate calculated from voltage and current readings.
Before you read
Before you read
Angka baterai itu cuma tebakan. Tandai teman yang panik di sepuluh persen. Ponselmu menampilkan persentase baterai, angka yang rapi dan tampak pasti, duduk di pojok layar. Rasanya seperti fakta yang polos.
Itu bukan pengukuran langsung. Tidak ada cara sederhana untuk membuka baterai dan membaca berapa daya yang tersisa di dalamnya. Sebagai gantinya, ponsel memeriksa tegangan dan aliran listrik yang bergerak lewat baterai, lalu menjalankan angka-angka itu melalui program kecil yang memperkirakan sisanya, berdasarkan perilaku baterai sejenis pada umumnya.
Itulah sebabnya angkanya bisa melompat aneh, turun cepat saat cuaca dingin atau bertahan di satu persen jauh lebih lama daripada dugaanmu. Baterainya sendiri tidak rusak. Ponselmu hanya menebak, sehati-hati mungkin, dan memperbarui tebakannya setiap beberapa detik.
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