Mantas

This gives me some hope, thanks!

Can you give me a link or a model of the balancer? I'd like to check it out.

LOL now see my predicament?! Two very different experiences with the exact same model of batteries. All the reading I have done over the years, highlights one thing... Lithium is Super sensitive to over charging, which any LA charger is going to be doing. What exactly is the BMS doing with the extra voltage it is getting from the LA charger? Converting it to heat? Magically getting rid of it somehow? Returning it to sender via the SA Post office? 🤔 As per my understanding, the BMS is NOT the be all and end all. It is supposed to be a LAST line of defense in protecting your battery from damage from whatever cause. It is not a regulator and should not be used as your first line of defense. All the BMS is going to be doing is outright stopping the charging, which will likely leave your battery under charged. The ones that don't advise you to replace your charger all waffle on about BMS this and BMS that... So, do these "Direct Drop in" batteries REALLY exist or is it simply a sales gimmick to sell more expensive batteries and then to dispute ANY warranty issue and blame the end user for "Inappropriate usage"? I have a client, that, despite my recommendation to the contrary, replaced some l-cheapo UPS batteries on their PLC cabinets with these "Direct Drop In" whatnots and they were poked within less that a month. I think I will still be avoiding them for now...

I know I'm reviving an old thread but with good reason. I have been totally opposed to drop-ins until now because there simply wasn't enough data available as to their reliability, two years ago. If you are still around, can you please give some feedback as to how your Drop-ins are doing? It's been a couple of years now so if they are still keeping you happy I'll be convinced that drop-ins are viable replacement option for LAs. 👍