Knowledge is power - in this case, battery power. You'll know from the easy-to-read gauge on this black-plastic handheld mini-tester whether a battery is good, low or needs to be replaced. The 4-1/4" x 2-3/8" x 1" tester reads "AAA," "AA," "C," "D," 9 volt, 1.5 volt button, and other sizes.

We just got a fantastic deal on the real deal Energizer ® batteries. Each is a pack of (6) “AA” or “AAA” for smoke detectors, game controllers, thermostats, flashlights, radios, tv remotes, wireless devices and need we go on? You won’t see brand new name-brand batteries this cheap at the corner drugstore. These are a real treat so get them while they last. Expiration date on our sample sales 12/2029.

When you run out, you have to run out and buy more. Stay home with this pack of (24) "AA" and (12) "AAA" alkaline batteries from Polaroid. Box says they're good until 2021.

It’s a surplus "D" medical grade alkaline battery bonanza! These 15.25Ah  (15,250mAh) 12V alkaline battery packs have (8) standard sized 1.5V “D” cells stacked in (4) plastic-wrapped columns of (2). The pack is soldered together, and can be used as-is or easily separated and used as extremely long-lasting alkaline batteries for devices. New, but originally intended for use in medical equipment. MFG date of 06/2019 so they are fresh! Pack measures 5.39" X 4.84" X 1.35". That's only .75/each battery. Isn't surplus wonderful. 

These Farpoint alkaline batteries have an expiration date of 2030 but you're going to use them up long before that the way you ride that remote. All are the standard 1.5V, and guaranteed leakproof for two years. You pick an 8-pack of AA or AAAs. Or get a couple packs of both – 2030!

These super handy little tweezer-style battery testers are made for checking button-cell and 3V lithium coin-cell batteries, but they've got a wide enough spread for everything from "AAA"s to D-cells (but not 9-volts!). Red and black arms designate the +/- sides, and an LED at the base lights up if the battery is good.

The pentapack: You pick a pack of (5) 3V lithium coin cell batteries, CR2025 OR CR2032, still in their packaging, for a price that looks like a single battery, because you're smart enough to shop here. Looking for a large quantity? Try our bulk pack of (20) batteries for huge savings!

Nice little battery holder made to contain (4) “AA” cells. Measures 2-1/2" x 2-3/4" x 3/4" with a pair of 5-1/2" leads and an SPST slide switch. The cover closes with screws so all those AAs won’t go flying around where you can’t find them if you drop it. Great for science fairs.

Generic batteries that stand up to the big boys! These are very good alkaline batteries, and they seem to last just as long as the name brands when tested against them. Our each is a pack of (1), (2) or (4), depending upon the cell size.

Nice, new 6-volt lantern batteries from Ultralast®, labeled for the international market. Standard 2-5/8" square x 3-3/16" high, standard spring tabs on top. Advanced Heavy-Duty the label says. We'll price it to save you a world of dollars, pesos and francs, Pat says.