$10 150 Amp Watt Meter

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A quick test of a new meter i found online.

Links to meter

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I bought this exact same 150A meter to measure how much power my e-skateboard pulls when going up steep hills. At low voltages (12v) the voltage reading is spot on. When I plug it into my full 42v lipo skateboard battery it reads 37v. Verified with multimeter that the battery was full @ 42v. So at higher voltages the readings are unreliable. At least mine is. There are no potentiometers inside to do any adjustments.

ferretsandbirdsandwhatnot

I'm sure you're trying to be helpful here, but a person with more than one watch is never sure what time it is! 🙂

dr.a

Vous avez testé le compteur ah la notice dit qu'il ne compte que jusqu'à 65ah alors qu'il pouvait compter jusqu'à 6554wh 🤔

louptriste

Good video. I'm thinking about building my own DIY jump starter/power bank and was looking for an all-in-one power monitoring system. This device came across while scrolling Amazon.

grendle

i bought several the 200 amp version about a year ago. since then i have learned a bit about power/amps/awg and it just dawned on me how tiny the cable is yet they claim 200 amps. i assumed they were 10 gauge, which would handle 30 amps, but i admit the wires and unit gets a little warm about 28 amps, so maybe they are 12 like you said in the video. the 2 gauge wires i uses to connect a 5kw battery bank to my inverter at 12v gets very warm at 150amps and i see a voltage drop down to 11.5v lol. anyways i thought these were awesome little meters but now i am scratching my head a bit.

jasonbrown

even 10 g wire is pushing it however the intended loads maybe the 150 to 200 is a peak for split second say for rc use or even ebike use

ejonesss

Is there any possibility to change the cable for higher ampere measurement

Aurthermorgan

Is there a version that works for 200 v but max of 20 amps?

KevinRedmondWA

What max voltage that it can work with?

irishguy

Can you put this on the battery bank instead to just read battery levels Instead of using it on the solar panels? And how would I do that?

Most people seem to want to put this on the solar panels... but it seems like the battery bank is higher expense and more to worry about.

Or maybe there's even a way to keep it off both but just temporary plug it to each and various batteries for a few seconds to test individual batteries?

noahriding