Accessories Lithium Power Posts Battery Checking Season & The Best Flasher Battery Replacement Options 10/13/2021 / 10/20/2021 by marcum-tech The first step in your pre-season routine should be checking your batteries. Most flasher failures on the ice are caused by a bad battery. Leaves are gone from the trees, and that’s your green light to grab your MarCum flasher or digital system from the garage and get ready for the ice-fishing season. The first step in your pre-season routine should be checking your batteries. Most flasher failures on the ice are caused by a bad battery, so now’s the time to inspect your MarCum’s power source. “You could be kicking yourself later if you don’t take a minute to check everything out now,” says ICE FORCE Pro-Staffer, Joel Nelson. “Nothing will wreck a good day of fishing faster than a bad battery, because there’s nothing you can do about it out on the ice.” Read more » Battery Charging Customer Service Get Prepaired Joel Nelson Lithium Battery Test Your Battery