Celebrate National Battery Day with Millertech

For one day only, we’re powering things up in a big way. Enter for your chance to win our 12V 100Ah Sports Series Lithium Battery — one of our best-selling models built with premium LiFePO4 technology, Bluetooth monitoring, and the dependable performance serious anglers and outdoor enthusiasts rely on. No purchase is necessary to enter, and one winner will be selected at random and notified by email within a few days. (1 entry per person)

While you’re here, take advantage of 10% off sitewide with code MTBATTERY10. The savings end at midnight — so whether you’re upgrading your boat, RV, or off-grid setup, today’s the day to power up and save.