I have personal experience with with both battery technology and the litium ones put the conventional small battery to shame. If I left my car with the small Deka that's in it for a few weeks without starting, or turning off the cut-off switch, the alarm and small draw I have from a wacky door switch would completely drain it.
I have a half-sized lightweight battery from odyssey. I wouldn't have chosen it, but its never given me any problems and I've been using it for years at this point.
My current dead battery is a Deka - lasted 3.5 yrs, can't complain.
Me too. Using a Deka ETX20 right now. Scooped it for $85 shipped from Tri-State Battery. I just got my car back on the road, so I haven't seen how well it holds its charge without running the car every day though.
Great thread. I have used lightweight batteries in all of my builds. Dont buy Braille or any high end BS. They are all rebranded Deka. Ended up grabbing a etx14 power sports battery from autoquest for $70. Same as the Deka ext14 just rebranded.
In sum, I can fully recommend the Deka ETX30L battery for long-term and continuous use in our cars.
I have some extended experience with a lightweight battery in my daily driven 2006 Boxster S, which is well known for the demands it places on the battery. In spite of that, I successfully used the Deka ETX30L (21 lbs.) for almost 3.5 years.
So I have the Odyssey 1200MJT in now and securely mounted with their "HDS mounting strap for 1200/1700 series batteries" from West Coast Batteries. It's mounted in the stock location in my 1994 Corrado VR6.
I use a 790cca Odyssey fmj in the summer and just bought a 590cca battery from Autozone and have a 4 year warranty and it seems to perform better than the oem battery that was killed by my bag setup.
Switched to a stock mk5 4cyl battery though as the Deka couldn't handle sitting for more than a couple days without being on a trickle charger.
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