48v Leaf Battery Pack Capacity Test @HighTechLab
48v Leaf Battery Pack Capacity Test  @HighTechLab
Uploaded May 2020 | Updated September 2026, 2 weeks ago
In this video I capacity test this Nissan Leaf battery pack and talk about some of the features and pitfalls it has. Be sure to subscribe for more videos like this one coming soon.

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Water Heating element I used for this test. Amazon Affiliate Link:
amzn.to/2y7k4vy

Nissan Leaf Gen 1 Battery Modules are perfect for DIY Powerwalls & DIY lead-acid to lithium conversions for your RV, Golf Cart, off-Grid Power Room, and much more because weight is less of a concern.

You can actually get this kit pre-assembled and ready to go for your install!
If you use the discount code "hightech10" at checkout, then you will get another 10% the already heavily discounted prices!
bigbattery.com/product/48v-li-ion-mini-power-pack/ref/11/?campaign=LeafCells

If you want to check out the Big Battery Website, here's the link:
bigbattery.com/ref/11

If you aren't interested in the fully assembled back, you can also get the individual Gen1 Leaf Cells here:
bigbattery.com/product/nissan-leaf-battery-module-gen-1/ref/11/?campaign=LeafCells

For this capacity test, I use my Fluke 287 Logging DMM to measure and log the amperage leaving the battery pack through a Deltec 100a 100mv shunt. I use the shunt because the multimeter is not rated to handle the heavy current that is passed through my dummy load. Shunts are precision equipment (Although some shunts are not built to very high quality standards) and can be trusted simply because of their simplicity. I use name brand fluke equipment because of the reliability and trust behind that name as well. Additionally I used a DC load because that will not have any AC pollution coming along with the DC waveform, so that can be trusted as well. What this boils down to is that this test has solid variables that do not bring inaccuracy into the test, so it provides a test result that you can trust.

I plan to test more products from BigBattery. I'm not 100% in trust of their products, but they are easy to work with and have been very quick to resolve any of my concerns.

Have ideas for future videos that you would like to see? Leave them in the comments below.

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48v Leaf Battery Pack Capacity Test

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