ເຄື່ອງຄິດໄລ່ຊີວິດຫມໍ້ໄຟ

Enter the capacity
rating of battery :
Milli Amp Hours
Enter the consumption
of device :
Milli Amps
Estimated batery life: Hours
ເຄື່ອງຄິດໄລ່ຊີວິດຫມໍ້ໄຟ