Is $626.23 a good price for this battery?

It is the only new price listed, at Amazon as of November 6, 2026. At about $122 per kWh for a 5.12 kWh LiFePO4 pack, it sits at the low end of what this class costs.

What can a 5.12 kWh battery run?

It can carry a typical off-grid load of a few kWh overnight, or run a 3–5 kW inverter for short periods given the 200A continuous discharge. Size your bank to your daily usage and depth of discharge.

Can I charge it with a standard solar MPPT?

Yes, if the controller has a lithium profile with absorption around 28.4–29.2V and charge current of 50–100A. Set the profile before connecting.

How many batteries can I put in parallel?

The listing does not state a parallel limit. Many owners run two to four of these in parallel for more capacity, but confirm the limit with ECELL before wiring a bank.

How long will it last?

ECELL rates it at 4,000 cycles or more at 80% depth of discharge. That is roughly a decade of daily deep cycling, longer with shallower discharges.

The listing does not detail box contents. Expect the battery itself; plan on buying M8 lugs, cables and a fuse separately.

ECELL BATTERIES ELIS24200 LiFePO4 25.6V 200Ah

Q: Where is the ECELL BATTERIES ELIS24200 LiFePO4 25.6V 200Ah cheapest?

At Amazon, for $626.23, as of our latest check.

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Our take on the ECELL BATTERIES ELIS24200 LiFePO4 25.6V 200Ah

The ECELL ELIS24200 is a 25.6V 200Ah lithium iron phosphate (LiFePO4) battery rated at 5.12 kWh, built for solar storage, off-grid systems and RV or marine house banks. It stands out for a 200A continuous and 400A peak discharge, an IP65 ruggedized ABS case, and a claimed cycle life of at least 4,000 cycles at 80% depth of discharge. At $626.23 at Amazon as of November 6, 2026, it is the only new price listed, so it is also the current low. That works out to roughly $122 per kWh, which is low for a 5.12 kWh LiFePO4 pack.