To extend the charge of the battery, you could disconnect the "hot rod" igniter. Then use starting gel in the pot to get it started. That way your hot rod doesn't drain you at start up.
Anyone prescribe to the theory that a battery set directly on the ground drains it's charge?
Pork Pullin Plowboys
(and Smoke on Wheels
Save a hog, ride a plowboy!
Todd Johns (me); Blue Springs, MO
Randy Hinck (PigBoy); Concordia, MO
Andy Groneman (Hodedo); KC, KS (Cameo Appearances)
FEC-500SS; FEC-100 (Right handed); FEC-100 (Left handed); Country Smoker Tailgater; Big Green Egg (2-large, small, mini); Cookshack Pellet Fired Charbroiler