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Join Date: Nov 2007
Location: Chandler, Arizona
The Shorai battery is a lithium iron phosphate (LiFePO4) battery. This is pretty much the latest technology in consumer batteries, and they are commonly used in electric bicycles. A LiFePO4 battery pack for an electric bicycle typically costs over $500, but has a much higher capacity than a motorcycle starter battery. The technology may have improved, but I have read several horror stories (I belong to a motorized bicycle forum, though I lean more toward good old internal combustion engines) about LiFePO4 batteries being seriously damaged by improper charging, or running them too long before charging. All LiFePO4 battery packs for bicycles come with a charger designed specifically for them. I have no experience with them, just what I read on that forum, motoredbikes.com. I might buy one for a motorcycle, as it is only $150 instead of $500+ This is new technology to many, so there are going to be conflicting opinions on it. They seem to have a very low discharge rate, but I wonder what their overall lifespan is? I have 6 of those Battery Tender Jr.s, all with pigtails connected to the battery in the bike. I keep them plugged in whenever the bike is not being ridden. KM said his AGM battery is already 5 years old, and still working.
I am a motorcyclist, NOT a biker.
1997 Vulcan 750, purchased about a week ago
2006 Sportster 1200 Low
2013 Royal Enfield Bullet 500, converted to carb
2001 Yamaha XT225, heavily modified
2004 Honda Rebel 250
1979 Vespa P200E
2002 Vulcan 750 parts bike
1994 Yamaha XT225 parts bike
Last edited by VN750Rider/Jerry; 12-21-2011 at 11:53 PM.