Battery options

MC1

New to the forum, but been viewing for a while.

My son ans i are going to convert a golf cart to street legal. We have a cart 2006 club car precedent, but it has no batteries or charger.

Since we are starting out with a blank canvas, looking for advice and recommendations on the power source.

Certainly not against doing something of the box. But if just going to the store and getting 6 new 8v batteries and a charger is the only real choice, so be it.

I can get 12v deep cycle pretty economically, but reading there might be reserve issues.

BGW

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MC1

I'll need batteries and a charging system.

Lots of marine deep cycle batteries i can get. Just not sure about amp issues?

Right now our cart has nothing other than the motor and controller/computer

MC1

Nissan leaf system?

glassk

A stock set of batteries, my case is two sets of T-875's for our two carts and even the dreaded factory charging systems work ,...they require maintenance but one of those sets replaced a seven year old set,...


Read this thread -
http://www.buggiesgonewild.com/extre...ml#post1078046

flkeysdude359

Very interesting thread. I found this (how to open a 2013 Nissan leaf pack and remove the modules) online and thought I might share. You can watch the video, however, follow the text to the end of the article as there are more links and information at the end...

http://www.summet.com/blog/2015/04/1...e-the-modules/

I expect it's just a matter of time before Elon Musk (Tesla) begins to market replacement battery packs, competitively...


Battery packs on eBay...

http://www.ebay.com/itm/Lithium-Li-I...gAAOSwT6pV46sH

MC1

thanks.



this thread is good

http://www.buggiesgonewild.com/elect...y-upgrade.html

Volt_Ampere

I am researching this myself but one major problem with the Nissan Leaf batteries is that Nissan doesn't sell them except for replacement in a Nissan Leaf car. That means that the only ones available are from crashed cars. Then you have no idea how the batteries have been treated before you get them and the supply is very limited. They work well in golf carts if you can get a good set though. (and if you use a good BMS and charger) Be prepared to pay around $3K for the conversion though.

joesam

Don't do marine batts - the amp demand is too high - they start our poorly, and get worse over a short period of time until death.

MC1

Looks like the ebay guy has 2 lithium packages to choose from- 60Ah or 120Ah. I spoke to the seller briefly. He tended to indicate that 60Ah is all someone needs (20miles per charge?).

I've got no cores for replacement lead batteries. So getting Six-8v golf cart lead batteries w/o a core is going to run me $1000-1200, plus a charger.

Wondering if you can just add more a second bank of batteries down the road for more run time?

joesam

You've mentioned both Lithium & Lead Acid batteries in your query - if your talking about 60Ah Lead/acid...not nearly enough Amps for the demand. Even 120 Ah is a bit marginal but could be OK as a neighbourhood runabout. Most cart owners use 145 to 160Ah. Make sure your being quoted LEAD ACID/WET CELL batteries - not AGM. BTW Who is "spoke with him briefly"?

Also - your focusing on the wrong thing - It's not about the cruising/mileage demand. Although a bit of an exaggeration, you could "almost" use flash-light batteries for cruising. But if you did, you would need someone to push the cart up to speed from a stop, and up all the hills. Its the accel from dead stop & driving uphill "amp crunch" that makes Marine (eg. ALL AGM batts) totally unsuited to the job.

It takes decent care and monitoring to keep 6 batteries performing uniformly - 12 would be a nightmare. When batteries begin failing...how would you find the bad one?

This isn't what you want to hear...I can tell by your repeated questions...but down the road you will regret short-changing your battery choice because you'll be plagued by quirky cart performance and operating issues, as your under-spec batteries begin collapsing under the demand.