Customer Ratings & Reviews

It's nice not having to buy just D batteries. I have a bunch of AA batteries in stock for all types of things so it's great to be able to pop them in whenever I need to. The charge does seem to drain a little faster but it's not too bad.

Works perfect with my charger and the spacers work as intended. Used these for years and haven't been disappointed.

this device performed flawlessly. I was able to substitute this D size cell with it's A size battery and my radio perform well.

This "D" size battery replacement worked just as described using an "A" size battery. Thanks!!

These D-cell adapters are perfect for large flashlights. Since the batteries have a very slow self-discharge rate, this make the batteries perfect for an emergency (power outage) flashlight.

After receiving these batteries--fully charged-from the store, I popped them into our exercise bicycle. It's been several weeks now of regular use and we haven't had to charge them yet!

The D battery adapters work perfectly in my Maglite. I always have a ready supply of rechargeable AA cells and it's nice to be able to use them in my D cell flashlight.

eneloop rechargeable batteries are the best of this kind I have been able to find.

I use the (4) AA To D Rechargeable Battery Spacers for my CCRadio 2e. They already paid for themselves.

This product is perfect for making sure I have the right battery size when I need it.

The Eneloop battery is good and it's convenient to convert AA battery to D battery. Of course, it won't last as long as regular D battery.

I have been very impressed with the Eneloop AA and AAA batteries. However, a AA battery inside a D spacer does not have the same capacity as a true D size battery. I put these two D spacers into a flashlight, and the light is not nearly as bright as with actual D batteries. I like the batteries, but I don't think that I will be buying any more D spacers.

Conventional way to use a AA battery as a D battery

I checked Amazon and Ebay, and this is the best price. Best of all, a local purchase.

This allows you to use AA batteries instead of D sized which are expensive!

It is so nice to have a product last like these do

I got my order and it came with C inserts instead of D!!! Had to drive 30 minutes to the closest bestbuy to return with none in stock! This brand packages the wrong product what a disappointment from the factory not really bestbuys fault.

Buyer beware. Panasonic shipped a bad product batch to Best Buy. There are C-size adapters in factory-sealed packaging labeled for D-size adapters. You may have to order and return several times to get the D-size you want. Don't fault Best Buy as Panasonic did the same thing to Amazon. Amazon purged their inventory of mislabeled product and I hope that Best Buy does as well.