QWORKBattery Monitor Voltmeter Ammeter, Voltage Current Range 8V-80V, 0-100A Voltage Current Meter with 6.5 ft Custom Cable

This handy little gage has been in service now for over two years non stop and is very accurate and has a lot of information at the touch of a button with no problems and well worth the money.

Works as described

Works as it should. You have to charge your battery then manually reset the value to 100%. It does seem to read accurately. I have it on a Dakota lithium 12v 100ah battery on an Old town AP120. I mounted to the battery box. Shunt was easy to install. Good product.

Very simple to set up, it does help to know in what percentage your lipo batteries are before they shut off. Great insurance policy on batteries

I like how these work. This was 3rd one I have used on my 3 trailers. They are easy to use and hold up well. I had one for over 3 years.

This product cannot work as advertised. I bought it to replace the battery indicator on my Ryobi electric lawn mower after I switched from lead-acid batteries to LiPo batteries. A battery indicator cannot work on both lead acid and lithium batteries. Same voltage batteries for lithium and lead acid batteries both produce power, but the type of power produced by each is different from the other. Do not buy if you want a battery indicator for lithium batteries. It may work with lead acid batteries but on lithium batteries, it will not provide accurate results. This is the response I got back from the manufacturer after asking about it not producing accurate readings for LiPo batteries:"The BM210 battery tester is mainly used for golf cart YAMAHA,golf cart CLUB CAR,golf cart E2G0, motorcycle, electric cart,lawn mower and soon traditional lead-acid battery equipment, and can also be used for lithium battery power detection in some low-speed electric vehicles. The test results may have certain errors. We will optimize, update and explain on the product page."

Meter works great

Was hoping to get a good charge monitor for my RV. This unit has all the features I needed.Problem is I would have to replace all the cabling connections on the negative side because the cable connections are too big for standard LiFePo4 8mm cables. This unit has 10mm terminals. I don’t want to replace 5 8mm cable ends that are located in a small battery box in the side of the RV.