Eveready Super Heavy Duty AA Batteries (R6) - 4 Pack

Four AA cells in a single blister pack, from Eveready's Super Heavy Duty range. These are zinc carbon cells, as the retail pack states, and they carry the standard AA designation R6. Each one gives the usual 1.5 volts, so they drop straight into anything built for an AA, whether the compartment is marked AA, R6 or LR6. Zinc carbon is the traditional dry cell chemistry: it is the most affordable way to keep a drawer stocked, and it works best when a device draws a small current over a long stretch rather than a heavy current in short bursts.

That makes them a sensible match for television and set top box remotes, wall clocks, kitchen scales, simple calculators, doorbell push units, and the small torch that lives in a car glovebox and gets used twice a year. Anything that sits idle most of the time and wakes up briefly is exactly the job this chemistry was built for. Higher drain kit is a different question: motorised toys, digital cameras, games controllers and portable speakers pull current fast enough that an alkaline cell will usually last longer, so keep the two types separate in your head when you are restocking. Mixing old and new cells, or two chemistries, in the same device is worth avoiding in any case.

The pack prints a shelf life of up to three years in storage, so a spare four put away in a cupboard now should still be ready when you need it. One unit is a blister of four cells, and the minimum order is 12 units, sold in multiples of 12. We also list Eveready Super Heavy Duty in AAA, C and D, and where a device needs more staying power the Eveready Gold alkaline cells cover AA, AAA, C, D and 9V.

My device says it needs LR6 or R6. Will these work?

Yes. AA, R6 and LR6 all describe the same physical cell at 1.5 volts, so these drop into any compartment marked with any of those three.

How many cells do I actually receive?

One unit is a blister card holding four AA cells. The minimum order on this listing is 12 units, sold in multiples of 12, so the smallest order brings 48 cells.

Can these be recharged?

No. Zinc carbon cells are single use and are not designed to be put on a charger. For repeat charging you need cells sold specifically as rechargeable.

Should I choose zinc carbon or alkaline for my device?

Zinc carbon suits low drain, occasional use such as remotes, clocks and scales. For cameras, motorised toys and controllers, an alkaline cell will generally run longer between changes.

How long can I keep them before use?

The pack prints up to three years in storage. Keep them in the sealed blister somewhere cool and dry.

Can I mix these with the cells already in my device?

It is better not to. Replace the whole set at once and keep all four cells the same age and the same chemistry for even, predictable running.