Yes. A Millertech battery can be mounted in any position except upside down, and it's fine to install it inside your RV.

Yes! Millertech offers reliable lithium batteries for boats, trolling motors, RVs, and more. Our team can help you find the right replacement, backed by our 10-year, no-questions-asked warranty.

Yes, through an inverter, for short runs. These appliances pull 1,000W or more, so they empty a battery quickly, but a few minutes of use is easy. One 12V 100Ah Sport Series battery handles 100A of continuous current and up to 300A for five seconds. For bigger loads, connect two or more batteries in parallel.

Yes. You can connect up to four Millertech batteries, in series or in parallel. Two 2480-BTs in parallel roughly double run time, to 12+ hours.

We can ship accessories like headlamps and chargers to PO boxes; however, batteries cannot be shipped to PO boxes.

The Max 4.0 can fly, but only in your carry-on. The Max 8.0 can't go on a passenger plane at all. Here's how the Federal Aviation Administration (FAA) rules work for spare lithium batteries and power banks:

• Carry-on only: spare batteries are never allowed in checked bags.
• Under 100Wh: no airline approval needed.
• 101Wh to 160Wh: airline approval required, and no more than two spares. The Max 4.0 (155Wh) is in this group.
• Over 160Wh: not allowed on passenger planes. The Max 8.0 (310Wh) is in this group.

Always check with your airline before you fly.

Yes. Call 855-MAX-LITH (855-629-5484) and a real person picks up — no phone maze. Millertech’s average answer time is about 10 seconds. The people on the phone know the batteries inside and out and give practical answers on the spot. Support is based in Ohio.

Yes! That’s what the USB hub is for. One battery runs your trail camera during the season, then slides into the hub and goes along to the campsite, the boat, the deer blind or the ice shanty. Everybody’s phones, the tablet for the kids, headlamps and the laptop stay charged without a generator or a running truck. https://millertechenergy.com/product/slide-on-usb-charging-port-for-1128-trail-camera-battery-1128-usb/

Yes. Add the 12V to 6V Step Down Converter (Item #1119-CONV) between the battery and your camera.

Yes. Millertech batteries perform “extremely well in cold conditions during discharge.” Sport Series batteries are rated to run from -4°F to 140°F. The limit is charging in the cold, not fishing in it (see question 25). Greg Hackney ran his while breaking ice: “nothing but raw power, the same as if it was 90° every day.”

It may work, but it could overcharge the battery or not have sufficient voltage to fully charge it. Before you hook it up, call Millertech at 855-MAX-LITH. A real person will tell you whether your charger fits your new batteries. We promise to never try selling you something you don’t need. Our goal is simple: you get exactly what you need and nothing you don’t. When you’re happy, we’re happy.

It may work, but it could overcharge your battery, or it may not have enough voltage to charge it fully. Before you hook it up, call Millertech at 855-MAX-LITH. A real person will tell you whether your charger is compatible with your batteries. We'll never try to sell you something you don't need. When our customers have exactly what they need and nothing else, they're happy, and that's what makes us happy.