The Li-po Battery Power Level Tester and Alarm is a great personal item to have to make sure your battery pack is still game ready after countless number of uses!
This battery tester can quickly check the remaining charge of various Li-Po airsoft battery packs.
Its easy to see status LED lights lets you know at a glance if your airsoft battery pack needs to be recharged.
The red LEDs will flash when a cell is below 3.3 volts, and an loud alarm will sound if any cell drops below 3.0 volts.
This indicates that a battery pack should be recharged.
If you utilize Li-Po and or Li-Ion batteries you should at minimum have a tester like this.
