Upgraded after-market battery option:
 
ATX30    - Antigravity RE-START Lithium Battery
The Antigravity ATX30-RS is a hi-power ultra lightweight Lithium-Ion battery, built with our groundbreaking RESTART Technology (built-in jump-starting) so you won’t ever get stranded with a dead battery again!
YTX30 case size: 6.5 x 5 x 6.89 inches (LxWxH)
880 Cranking Amps
32 Amp Hours (PbEq)/ 16Ah (Actual)
5.75 lbs
Safest Battery Technology using full BMS and Lifepo4 Lithium chemistry
Compatible with 5 OEM battery sizes (see below)
Can be mounted in any orientation