[RE-wrenches] EG4 battery OK with Magnum electronics?

[Kent]

Mick,

I've connected other LFP batteries to the Magnasine. It is possible to 
make the charger settings all work but it is difficult to get the AGS 
settings right for a start voltage. There is a "lithium compatible" 
firmware version for the remote, but good luck at find one of those for now.
The elephant in the closet with the Magnasine is that if the system goes 
through a power-on cycle with the remote detached, then the inverter 
operates with its default settings.

Kent Osterberg
Blue Mountain Solar


On 8/26/2025 11:11 AM, Mick Abraham via RE-wrenches wrote:
> Hi, Mechanix~ A longtime client has a Magnasine 4024 inverter/charger, 
> PT-100 charge controller, BMK battery monitoring kit & the ARC 
> Advanced Remote with 4.0 firmware.
> He'd like to upgrade from L-16 floodies to five of the EG4 LL24V 200 
> AH batteries in a cabinet.
>
> I've reviewed the EG4 info for care & feeding, alongside various menus 
> in the Advanced Remote manual, and it looks like the Magnum setting 
> ranges are compatible. Before shipping out the money,
> I'd like to know any feedback from the Wrenches about how things are 
> working when these product families are combined.
>
> At times I've noticed strange behavior with the Magnasine inverters 
> during charge cycles. As I recall, the units jump from Bulk to Float 
> soon after generator driven charging gets under way. For clients with 
> old or compromised lead acid floodies, I've occasionally set Float and 
> Bulk to the same target voltage. These are off grid setups where the 
> generator noise keeps the client aware that charge is underway. Most 
> of these clients don't have the generator automated, which is also 
> true for my 2025 EG4 customer.
>
> I won't try that "Float @ Bulk voltage" trick with lithium, of course. 
> Any & all war stories would be welcomed. As always, "The Wrench List 
> is the Bomb!"
>
> Mick Abraham, Proprietor
> www.abrahamsolar.com <http://www.abrahamsolar.com>
>
> Cell phone or for text messaging: 970-946-6584
> ᐧ
>
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