question

machineage avatar image
machineage asked

Victron Dual-Purpose Lithium Battery - Please :)

I wonder if Victron would consider developing a dual-purpose lithium battery?

Most lithium batteries of circa 75-125Ah are deep-cycle only, with limited peak discharge currents that prohibit their use for starting engines.

There are now some batteries on the the market with dual-purpose capability, and with CCA’s much higher than their lead acid counterparts.

Take for example the Antigravity AG-H7-80-RS, this 80Ah battery has a CCA of 2000 amps! It also has a feature they call ‘RE-START’. The BMS puts the battery to sleep when it’s reached a point of discharge, retaining enough in reserve to start your engine. The feature is activated by a remote fob, or a button on the battery. This could effectively eliminate the requirement for a separate start battery in some applications, removing the associated complexity.

There’s also a 100Ah battery from RELiON, which has a peak discharge current of 800A.

I would love to see a similar Victron product :)

Lithium Batterystarter batterybattery manufature
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2 Answers
seb71 avatar image
seb71 answered ·

Lead-acid batteries are working fine for starting engines (internal combustion engines).

And the governments plan to ban ICE cars, so what's the point?

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machineage avatar image
machineage answered ·

I wasn't thinking of cars. In my specific case a hovercraft, where the weight benefit would also be appreciated

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