Battery voltage volt current milliamp mAh charger capacity tester

Displays Current (Amps), voltage and capacity ( up to 19,999 mah)
This device will test how fast a USB cable or USB power adapter charger is actually charging at
Can handle charging speeds up to 3.5A (3,500 ma) and voltage of 3v-7v
Store charging data in memory. Flashes to alert of low or high voltage issues
Test using a USB charger, battery power bank or Micro USB Cable.
compatible with all usb devices, compatible with iPhone and Android dervices