Thys van Schoor Posted February 18, 2020 Share Posted February 18, 2020 I do have a Magnum inverter model MS4348PE and is using Trojan deep cycle batteries T -125 6 volt. 48 volt system. I do have 16 batteries installed and it is getting to the end off their lifetime. I want to switch to lithium batteries. Is it possible and can I still use the old inverter. Is my current inverter compatible for lithium batteries Quote Link to comment Share on other sites More sharing options...
Igubu Posted February 18, 2020 Share Posted February 18, 2020 (edited) Hi Thys, There are a number of "lead acid replacement" options at good prices - stock is a challenge everywhere. They are 2nd life batteries - Has a BMS built in, but no CAN-Bus interface. Basically the BMS controls charge/discharge, over/under current and temperature aspects - but to a non CAN-Bus type inverter it looks like a normal battery - set charge rates, disconnects etc. Biggest difference is it's LifePO4 internally - so most allow DOD of 80% - compared to at most 50% or less on the old lead acid (LA) units - also charge efficiency is 95%+ - compared to 70% for old LA. Not sure where you are based - if in CT I can point you to somebody ( Mike Thorne - @Mike ) Some options which you can find on the forum: Revov (http://revov.co.za/) - 180Ah " replacement" - https://thepowerstore.co.za/products/12v-180ah-ultimate-iron-battery For DIY (When stock arrives again) or look up Bain Viljoen: https://lithiumbatteriessa.co.za/ Alternatively the Pylontech/Dyness etc are "new" options, but not sure about compatibility with the Magnum... Hope it helps. Edited February 18, 2020 by Igubu Quote Link to comment Share on other sites More sharing options...
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