Car hacks / Mods MWalsh Finished SOCmeter

Published on September 14th, 2011 | by Frankie Berti

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Nissan LEAF Gets a Mini-Tech Makeover

Some Nissan LEAF buyers are going above and beyond being simple early-adopters, becoming early car-modders rather quickly. This is no surprise, considering the demographics (college educated, financially-stable, and tech-savvy). The group has created a state of charge (SOC) meter in less than a year without the help of Nissan- and it works.

One of the major complaints about the LEAF’s usability is the variability of the SOC meter. Customers were left guessing what, precisely, those cute little blue bars meant regarding juice because it changed drastically depending on terrain and style of driving- and it becomes very important to know whether the last bar represents 10 miles or one. The SOC-kit, a communal labor of the MyNissanLeaf online forum, plugs into the LEAF’s OBD-II port and will display the battery and a more precise read of its state of charge.

Kits with differently-colored LED displays can be ordered online through one “GaryG.” The LEAF community seems tight-knit, and this forum in particular seems really keen to help fellow owners understand and enjoy their Nissans more fully. The mod seems safe (no word on voiding warranties, yet!) but note the warning on GaryG’s site: “Not yet completely tested, BETA versions, use at your own risk.”  Good luck out there, and hats off to the creators for doing all that designing, coding, and soldering!

Source: Green Car Reports  Image credits: Mike Walsh


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I'm a Floridian transplant enjoying the farm to table culture that's flourishing in northeast Ohio. I am dedicated to supporting local food networks- which means I like getting my hands deep in compost, and I love shopping at local farmer's markets in small towns or taking my business to the many wonderful, independent restaurants in Cleveland. My goal is to connect communities with local, sustainable products and all the fun, important, green events going on in their areas.



  • http://Web Michael Walsh

    I like it! But you probably guessed I would! LOL!

    FWIW, we’ve already had a firmware update – the meter now shows pack voltage, amperage, and power utilization/regeneration (F1.08) in addition to SOC as both a percentage and as a raw unit (F1.07).

  • http://letmebefrankie.blogspot.com Frankie Berti

    I’m glad you do, Mike! You already have a firmware update. Amazing. When do you find the time?!

  • http://Web Tom Tcimpidis

    And it is available with a blue display as well as red. The display actually looks much better in person than in the photograph… Personally, I prefer the blue.

  • AU

    How successful are these kits in providing better SOC?

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