Is 10A enough to charge a 200 Ah lithium bank?

It works but is slow. A 200 Ah bank at 10A takes roughly 20 hours from empty, so plan overnight charging or a larger charger for daily deep discharges.

Does it work with lithium iron phosphate batteries?

Yes. The 29.4V charge voltage is the standard full-charge profile for 24V LiFePO4 packs, and the charger is listed for lithium as well as AGM, gel and SLA.

What does the 3-pin XLR connection mean for me?

The charger ends in a 3-pin male XLR plug. Your battery or boat wiring needs a matching female XLR port, or you need an adapter, or it will not connect.

Can I leave it connected on the boat all season?

It is a charger, not a confirmed maintainer, and the listing gives no float or storage mode. For long-term dock storage, check with VMAX before leaving it connected for weeks.

Is it worth it over a 12V charger?

Only if you run a 24V system. A 12V charger cannot charge a 24V bank, so match the charger to your bank voltage first.

The charger itself is the listed item. The listing does not name cables or adapters, so confirm the XLR plug and any leads with the seller before ordering.

VMAX 24V Lithium Marine Battery Charger

Last price we saw

$29.77at Amazon, last seen Oct 31

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Our take on the VMAX 24V Lithium Marine Battery Charger

The VMAX 24V Lithium Marine Battery Charger is a 10A peak charger built for 24V lithium packs, with a 29.4V charging voltage that suits 8-cell lithium iron phosphate banks. It also handles AGM, gel and SLA batteries in the 40 to 200 Ah range, so it can top up a trolling motor bank or a house battery. It is compact at 8.46 by 4.53 by 2.44 inches and 2.87 lbs, and it connects through a 3-pin male XLR plug. No current price was provided for this page, so check the live comparison before buying.

Best for24V lithium trolling motor banksBoat owners replacing a failed onboard chargerAGM, gel or SLA 24V house batteries