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Mecer 2400VA (1440W) Inverter Battery Charger (UPS) - Question regarding Lithium Batteries


Kavish

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Hello Power Players!

 

I've been searching the net as well as reading through the manuals for this and cannot find the exact answer to my question. Will try and be as brief as possible.

 

I had this connected to a 24v Hoselect lithium battery for a while and all worked well. Passed this onto a friend of mine and the inverter has now gone in for repairs on two occasions. Seems there were faults with the main board. On the second visit, the gentleman in the servicing department said that you cannot use this inverter with any lithium batteries, which confused the heck out of me cos I did use it with no issues.

 

I checked the Geewiz website, which is the place from where I purchased it and this new info which wasn't there before states that you cannot use this inverter with Hubble lithium batteries. Since they don't indicate other brands, I'm led to believe that something is up with Hubble's lithium battery. 

 

Do you guys know or have any info regarding this? Or have you experienced anything similar? 

 

Regards

Kavish

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I believe the issue with those cheaper Mecer Modified sine wave inverters is no programmable low voltage cut off. They go down to like 10.8v or lower before tuning off the inverter which isn't good for lithium batteries and I believe they have basic one stage charging. Also not great for lithium batteries. I have seen those Mecer Inverters in both 720w and 1440w versions kill many new lead acid batteries in 3 months or less of loadshedding from draining them so far 🙈. Not sure what they would do to lithium batteries but I avoid those inverters now after selling many in my IT business over the last 10 years

Cheers

James

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