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 New Posts  tester for lithium batteries
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JasonM
Posts: 1658
JasonM
   Old Thread  #2 20 Apr 2026 at 12.47pm  0  Login    Register
As your batteries have BMS I’d recommend this one

https://uk.farnell.com/duratool/d03406/battery-tester-12v-lead-acid-li/dp/3617677
r0bertb00th
Posts: 2333
r0bertb00th
   Old Thread  #1 20 Apr 2026 at 11.17am  0  Login    Register
I brought a couple of lithium batteries from batterymasters a couple of years ago - reckon ive charged them a dozen maybe 15 times but I went to se my barrow at the weekend and it died shortly after leaving the car park so I had to push manually (Jeez you forget how hard it is pushing a barrow loaded)

Anyway I put them on charge when I returned home and the led on the charger turned green from red but still nothing when connected to my barrow so Im looking to get a tester of some sort to see if there is anything going on before reaching out to battery masters - or change the chargers maybe?

I have ultramax batteries 12v 10ah x2

Does anyone have one you recommend or any other ideas what may be wrong
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