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This little battery alarm is a great tool for LIPO and LIFEP04. I've tested this with all of my various lithium battery packs and this device is pretty darn close to actual reading. Don't let that stop you from getting this. You need one for each pack you're running. If you use 24v packs in series to power a 48v ebike, you'll need two. Get my drift? Better to know a *near* reading of your voltage when using your batteries when you're using them past the halfway point on your power meter gauge....buy this before you have a big mess. I've read many horror stories and I won't become a statistic with this little guy.
Verified purchase: Yes | Condition: New
bright display, the display switch from total voltage to single cell in cycle. you can set your low voltage point. not to load speaker, what I like so it not annoying when you get the limit and left little battery to go back home.
Verified purchase: Yes | Condition: New
You can see the led in daylight. Plug cables into display then to battery balance charge connector. Was not sure until i got it. Cable is with unit.When powered up it shows your total batt voltage then tell you the volts on number 1 batt cell then number 2 batt cell and keeps going in that loop. Setting alarm is simple. Cant beat this price anywhere. Made my day!
Verified purchase: Yes | Condition: New
Very easy to use and weighs very little if you want to leave it attached to your battery to monitor charge during flight. Also loud enough to hear at a distance.
Verified purchase: Yes | Condition: New
Cheap insurance that you will NOT go below the recommended voltage for LIPOS. NO cut of,but it beeps loudly whe you reach that low voltage threshold. The set cut off ESC's usually leaves your car DEAD on the track.
Verified purchase: Yes | Condition: New