Stress testing the Epoch 12 Volt 100AH Lithium battery! Plus 10% off code below!

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Great news! Epoch has generously allowed a discount code for MV Intrigue watchers. Use discount code MVINTRIGUE for 10% off your purchase!
www.epochbatte...
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All these lithium batteries have their current output ratings in both continuous as well as peak amp ratings. This is critical to know and understand when designing a system that will require a high amp draw. If you pull to many amps feeding components such as inverters or golf cart motors the lithium battery BMS will trip either due to overcurrent, under volt or high temp. Are these quoted output specs accurate? Over rated? Under rated? Total BS? I have a standard Epoch 12 Volt 100 AH (amp hour) Lifepo4 battery sitting on my bench waiting for install. Lets run it through the ringer and put a big amp draw on it and see if we can get it to shut down.

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12 сен 2024

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Комментарии : 19

@ErnieBueno-gq4dg 2 часа назад

Discount code still works. Used it today!

@CruisingThisOldBoat Год назад

Amazing - good to know what it will really do - thanks for showing that stress test !

@mvintrigue-trawlerdiy1101 Год назад

Thanks Ron. Cant wait to do the Victron and lithium install.

@ericklein5097 Год назад

The problem is you're not measuring voltage at the terminal, you're measuring it past the lug....so 160A over a short distance will show a lower voltage

@mvintrigue-trawlerdiy1101 Год назад

Thanks for the reply. The meter probes were shoved under the shrink tube for convenience. The difference between the actual lung and the terminal would be negligible. It had good contact. Even at a slightly lower reading its amazing how well the voltage holds up. On a lead acid it would have been much lower.

@gwrulzmylife 7 месяцев назад

Does the charger come with, or have to buy in addition?

@mvintrigue-trawlerdiy1101 7 месяцев назад

You have to buy the charger separately.

@marvs4321 8 месяцев назад

I’d question an app that says the batter is at 100% when the charger is still putting out it’s max current. Something is not right

@mvintrigue-trawlerdiy1101 8 месяцев назад

Its not the app. The app just reports the info the battery sends it. In this case the SOC meter is just a counter. SOC meters are rarely perfect and can get out of whack for a number of reasons. One way to calibrate the soc meter is to regularly bring it tò a full charge as dictated by the charger or BMS max settings. Soc cant go past 100. So once the battery is actually full...the full battery and soc meter are synced. Its important to do thisvregularly. If you spend long periods in a mid range your soc meter will become innacurate and you must fully charge to resynch.

@mikef1570 6 месяцев назад

The battery was no with like 1 cycle, the percentage shown needs a few cycles to get straight

@spayrex_ Год назад

cant frickn buy that beutifull battery since im from europe :(

@mvintrigue-trawlerdiy1101 Год назад

Why not? No shipping or some kind of local laws?

@spayrex_ Год назад

@@mvintrigue-trawlerdiy1101 no there is one single website where its sold out and they themself dont ship to europe

@mvintrigue-trawlerdiy1101 Год назад

@Spayrex probably some difficult Hazmat regulations. You can see if Roypow delivers there. Roypow basically has the same battery but its blue and cost just a bit more. Will Prowse did a teardown video of one.

@spayrex_ Год назад

@@mvintrigue-trawlerdiy1101 yea i know that but they dont deliver at all nether do they have 12V batterys

@mvintrigue-trawlerdiy1101 Год назад

@Spayrex dang. Hopefully someone will become a distributor over there.

@spayrex_ Год назад

but 200° for my liking was too hot it shouldv turned off

@mvintrigue-trawlerdiy1101 Год назад

I did some research and mosfets seem to be able to operate upwards of 300 to 350F max. I am betting a few more degrees and it probably would have shut down. Ben Stein over at PANBO did a similar test but also applied a heat gun to the terminal. It shut down a little over 200 degrees.

@spayrex_ Год назад

@@mvintrigue-trawlerdiy1101 oh ok