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 Home > Cases, Adapters & Testers > Battery Cases, Adapters & Testers

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Battery Rack Organizer for 82 Batteries with Battery Tester

Price: USD 30.99
Qty:  

Battery Rack Organizer for 66 Batteries with Battery Tester

Price: USD 27.99
Qty:  

Battery Rack Organizer for 40 Batteries with BatteryTester

Regular Price: $24.99
Sale Price: USD 19.99
Qty:  

Universal Battery Tester for more than 12 Types of Batteries

Regular Price: $21.99
Sale Price: USD 19.99
Qty:  

Digital Multimeter - Multi Function

Price: USD 19.99
Qty:  

Eneloop Battery Case Organizer for AA / AAA / C and D Batteries

Price: USD 6.99
Qty:  

12VDC Car Cigarette Charger plug (5.5 x 2.5mm barrel male)

Price: USD 6.99
Qty:  

Battery Tester for AA / AAA / C / D Batteries

Regular Price: $6.99
Sale Price: USD 4.19
Qty:  

IPowerUS AA & AAA Battery Cases

Price: USD 1.69
Qty:  

Spacers for 6 Slot Li-ion Smart Charger

Price: USD 1.39
Qty:  

Sony AA & AAA Battery Cases

Price: USD 1.29
Qty:  

Sony AA & AAA Battery Cases

Price: USD 1.29
Qty:  

2 x D Size Battery Adapters from 1 AA Battery

Price: USD 3.99
Qty:  

2 x C Size Battery Adapters from 1 AA Battery

Price: USD 3.89
Qty:  

4 Pack Maxell D Size Battery Adapters from 1 AA Battery

Price: USD 9.99
Qty:  

4 Pack Maxell C Size Battery Adapters from 1 AA Battery

Price: USD 8.99
Qty:  

4 x D Size Battery Adapters from 1 AA Battery

Price: USD 7.59
Qty:  

4 x C Size Battery Adapters from 1 AA Battery

Price: USD 7.29
Qty:  

8 x D Size Battery Adapters from 1 AA Battery

Price: USD 14.49
Qty:  

8 x C Size Battery Adapters from 1 AA Battery

Price: USD 12.59
Qty:  

12 x D Size Battery Adapters from 1 AA Battery

Price: USD 20.59
Qty:  

12 x C Size Battery Adapters from 1 AA Battery

Price: USD 19.29
Qty:  

16 x D Size Battery Adapters from 1 AA Battery

Price: USD 25.69
Qty:  

16 x C Size Battery Adapters from 1 AA Battery

Price: USD 23.99
Qty:  

Page: [ 1 ]

Battery Cases, Battery Racks/Organizers and Battery Testers

If you use batteries, perhaps you want to check out some of our products that go with them like hand-in-glove, here.

At MEGAbatteries.com, we take care of all your battery and battery-related product needs. If it’s your first time here, welcome! Have a look around: Here’s our index.

If you’re a return visitor, we’re very glad to have you back. There are many new items to see. Have you seen our daily specials in a while? You should probably bookmark that section of our website for easy access in the future!

Whether you use Alkaline or Lithium (non rechargeable) batteries, or NiMH and NiCD rechargeable batteries, you can benefit from related products to test, organize, store, transport and even change them! Well, when we say, we mean, “adapt”. Read on to discover what we mean….

First, we’ll describe our Battery Adapters.

Battery Adapters convert small batteries into larger ones. Well, when we say convert, we mean their size. No longer do you need to own batteries in all sizes, if you only use a couple of sizes in total. Battery Adapters will allow you to power your battery-operated devices if the batteries you own are too little to fit into battery compartment. They’re really a truly practical solution!

So as you can see, you need never again be out of luck, in operating an old radio or CD player that needs c or d batteries if you have aa or aaa batteries and battery adapters. Get some at the top of this page! You only have to buy them once and you’re good to go from then on!

Here We Cover Battery Cases

Many people have cluttered work spaces, work-shops, and offices. Their briefcases and knapsacks might look as though they’ve been ransacked! Yikes! It’s battery cases to the rescue! They’ll keep your batteries from rolling off the tabletop, keep them from hiding under paperwork in your drawer or briefcase and are just plain sensible to use to store and protect your batteries. We have cases for so many other things in our lives. Why not for our batteries too?

Does your workshop have loose batteries in it, sometimes rolling off the table?

Battery Racks Rock!

No matter how many or how few batteries have, a battery rack will house all your batteries neatly and out of the way from where you actually live and work. Most batteries are cylindrical and roll around if not held in place. Always have your AA, AAA, AAAA, C, D and 9 Volt batteries front-facing, neatly placed in battery rack and always know where to find them!

Now We Get to Battery Testers

As we mentioned, regardless of the chemistry of your batteries or if they are rechargeable or not, battery testers have been around for a long time and serve an extremely useful purpose, namely, that they test the power of batteries. If you are ever unsure about what power remains in any of your batteries, it’s a battery tester that will tell you. Suppose you’re planning a trip to the beach for the whole day and of course, what’s a day at the beach without a portable radio. Everyone gathers around it listening to songs as they tan on a gigantic beach blanket. Well, the batteries required for that radio are likely C’s or D’s. And you’d want to know they are charged full before you head out for the day. That’s just one example of where a battery tester would be useful to you. Anytime at all that it would help you to know the strength left in your cells without having to guess at it, is when a battery tester does the trick.

In terms of rechargeable batteries, NiMH cells do not suffer from something called memory effect. This means that you don’t have to wait until they are fully “dead” before charging them. In cells that to sustain memory effect, you must wait until the battery has no more power in it before recharging, so as not to lessen it’s memory to the point where they are topped off. NiCD (Nickel Cadmium) rechargeable batteries however, can suffer from this effect and so they must only be charged and recharged once they are fully discharged. You can therefore use your battery tester on NiCD’s to see what power exactly, remains in them and know when and if to charge. Of course, with all non rechargeable batteries, it’s always helpful to know how much power remains in them for whatever your application is. You might be intending to attend a sporting event or birthday party for example. You might wish to capture the moments on video or take still shots. Instead of carrying around additional batteries to use in case the ones in your camera “die”, testing them first with a battery tester will ensure you only take the fully charged cells with you to your event.

Battery testers, cases, racks, and adapters all cost very little relative to the services they perform and benefits they offer you for the use, and maintenance of your inventory of batteries.

Please scroll up to the top of this page where you’ll see our inventory of Battery testers, cases, racks, and adapters. Simply click on any of the links that appeal to you to read more detailed descriptions about them and then add tem to your shopping cart at anytime.

We invite you to check out our terrific daily specials located at the bottom of this page and accessible through our left-side index on each page of our site. In this section, you’ll see the 50+ items we slash the prices on each day. The items change on a daily basis, so when you see a product you want that is reduced so much, grab it then and if we may suggest, stock up on a healthy quantity to fully appreciate the most savings!

At MEGAbatteries, we’re always here for you, our valued visitor. If you have any questions about Battery testers, cases, racks, and adapters that haven’t been discussed on this page, please reach us and we’ll provide all the technical information you need in order for you to make an informed and correct purchase. That’s the MEGA difference!

Call Toll-Free: 1-866-595-3317

Fax Toll-Free: 1-888-735-9475 

Email:sales@megabatteries.com

Wholesale Inquiries: wholesale@megabatteries.com


Daily Featured Specials
Reg. Price:
USD 21.99


Sale Price:
USD 19.99
Universal Battery Tester for more than 12 Types of Batteries click for more info Item ID #14403
Reg. Price:
USD 6.99


Sale Price:
USD 4.19
Battery Tester for AA / AAA / C / D Batteries click for more info Item ID #16607
Reg. Price:
USD 24.99


Sale Price:
USD 19.99
Battery Rack Organizer for 40 Batteries with BatteryTester click for more info Item ID #15605
Reg. Price:
USD 119.99


Sale Price:
USD 89.99
12 x 9 Volt 175mAh Energizer NiMH  Rechargeable Batteries click for more info Item ID #19096
Reg. Price:
USD 55.99


Sale Price:
USD 42.99
4 x 9 Volt 220 mAh Acculoop Low Discharge NiMH Rechargeable Batteries click for more info Item ID #16623
Reg. Price:
USD 230.99


Sale Price:
USD 169.99
100 x Panasonic CR123A 3 Volt Lithium Batteries click for more info Item ID #18223
Reg. Price:
USD 128.99


Sale Price:
USD 89.99
48 x CR2 Energizer Photo Lithium 3 Volt Battery click for more info Item ID #15147
Reg. Price:
USD 36.49


Sale Price:
USD 19.99
Medical Battery 72300 3.5 Volt Battery for Welch Allyn Handles click for more info Item ID #13969
Reg. Price:
USD 36.49


Sale Price:
USD 16.99
Replacement Welch Allyn 72200 3.5 Volt (NiCd) Nickel Cadmium Medical Battery for Welch Allyn Otoscope Handles click for more info Item ID #13968
Reg. Price:
USD 65.99


Sale Price:
USD 44.99
50 x CR2450 Camelion 3 Volt Lithium Coin Cell Batteries click for more info Item ID #14386
Reg. Price:
USD 35.99


Sale Price:
USD 26.99
25 x CR2450 Camelion 3 Volt Lithium Coin Cell Batteries click for more info Item ID #14385
Reg. Price:
USD 68.49


Sale Price:
USD 48.99
8 x 9 Volt Energizer (L522) Ultimate Lithium Batteries click for more info Item ID #19137
Reg. Price:
USD 259.89


Sale Price:
USD 179.99
100 x AA Energizer Ultimate Lithium (3000 mAh) Batteries (L91) click for more info Item ID #16250
Reg. Price:
USD 263.99


Sale Price:
USD 190.99
100 x AAA Energizer Ultimate Lithium Batteries (L92) click for more info Item ID #17689
Reg. Price:
USD 36.59


Sale Price:
USD 26.99
60 x Size 13 ZeniPower Hearing Aid Batteries click for more info Item ID #18076
Reg. Price:
USD 59.99


Sale Price:
USD 38.99
90 x  Size 312 Rayovac Hearing Aid Batteries click for more info Item ID #18292
Reg. Price:
USD 54.99


Sale Price:
USD 42.99
iRobot Roomba 500, 600, 700 & 800 Series Vacuum Battery - 14.4 Volt 3.3 Ah NiMH Pack click for more info Item ID #15538
Reg. Price:
USD 54.99


Sale Price:
USD 36.99
iRobot Roomba 4905 400 Series Vacuum Battery - 14.4 Volt  3.3 Ah NIMH Pack click for more info Item ID #15537
Reg. Price:
USD 199.99


Sale Price:
USD 140.99
100 x 9 Volt Duracell Alkaline Batteries (MN1604) click for more info Item ID #19633
Reg. Price:
USD 57.39


Sale Price:
USD 45.99
96 x AA Duracell Alkaline Batteries (24 Cards of 4) click for more info Item ID #19457
Reg. Price:
USD 242.99


Sale Price:
USD 159.99
620 x AA Energizer Advanced Alkaline Batteries click for more info Item ID #19549
Reg. Price:
USD 139.99


Sale Price:
USD 89.99
500 x AAA Panasonic Industrial Alkaline Batteries click for more info Item ID #19639
Reg. Price:
USD 72.19


Sale Price:
USD 52.99
48 x C Energizer Industrial EN93 Alkaline Batteries. click for more info Item ID #15651
Reg. Price:
USD 118.99


Sale Price:
USD 89.99
72 x D Energizer Industrial EN95 Alkaline Batteries (1 Case) click for more info Item ID #15939
Reg. Price:
USD 62.99


Sale Price:
USD 38.99
48 x AA & 48 x AAA Duracell Procell Alkaline Battery Combo click for more info Item ID #17399
Reg. Price:
USD 84.99


Sale Price:
USD 65.99
24 AA + 24 AAA + 12 C + 12 D + 6 9 Volt Duracell Procell Alkaline Battery Combo click for more info Item ID #19784
Reg. Price:
USD 27.99


Sale Price:
USD 19.99
8 AA + 8 AAA + 4 C + 4 D + 2 9 Volt Duracell CopperTop Alkaline Battery Combo click for more info Item ID #17595
Reg. Price:
USD 19.99


Sale Price:
USD 12.99
2.4 Volt 5000 mAh NiCD (2KR-5000DEL) Rechargeable Battery Pack click for more info Item ID #16982
Reg. Price:
USD 14.99


Sale Price:
USD 9.29
2.4 Volt 2200 mAh NiMH Rechargeable Battery Pack (For Cordless Shaver) click for more info Item ID #17870
Reg. Price:
USD 25.99


Sale Price:
USD 6.99
Universal Power Bank Charger 4000mAh USB Mobile (White) click for more info Item ID #19131
Reg. Price:
USD 39.99


Sale Price:
USD 29.99
4 Pcs Rayovac RFA182, A12, R21, R22, R51 and MicroLite Invisible Fence Dog Receiver Battery click for more info Item ID #19059
Reg. Price:
USD 69.99


Sale Price:
USD 46.99
16 Pcs RFA-67 Rayovac Compatible Petsafe Fence / Dog Collar Battery (8 x 2 Pack) click for more info Item ID #19051
Reg. Price:
USD 69.99


Sale Price:
USD 45.99
8 Bay AA / AAA Charger + 24 AA 800 mAh NiCd Batteries click for more info Item ID #17780
Reg. Price:
USD 39.99


Sale Price:
USD 32.99
8 Bay AA / AAA Charger + 8 AA (600 mAh) NiCd Batteries click for more info Item ID #15198
Reg. Price:
USD 28.99


Sale Price:
USD 16.99
UltraLast AA / AAA Desktop Smart Charger + 4 AA (2600 mAh) Tenergy NiMH Batteries click for more info Item ID #15029
Reg. Price:
USD 32.99


Sale Price:
USD 22.99
Ultra AA/AAA Desktop Smart Charger + 4 AA 2900 mAH Accupower NiMH Batteries click for more info Item ID #15854
Reg. Price:
USD 39.99


Sale Price:
USD 28.99
4 Hr AA / AAA Smart Charger + 8 AA Rayovac (2400mAh) NiMH Batteries + Bonus Offer click for more info Item ID #19301
Reg. Price:
USD 29.99


Sale Price:
USD 23.99
4 Hr AA / AAA Smart Charger + 4 AA 2300 mAh Energizer Recharge NiMH Batteries + Bonus Offer click for more info Item ID #19298
Reg. Price:
USD 116.99


Sale Price:
USD 79.99
16 Bay AA / AAA LCD Battery Charger + 16 AAA 1200 mAh AccuPower NiMH Batteries click for more info Item ID #19611
Reg. Price:
USD 135.99


Sale Price:
USD 89.99
16 Bay AA / AAA LCD Battery Charger + 16 AA 2900 mAh AccuPower NiMH Batteries click for more info Item ID #19605
Reg. Price:
USD 176.99


Sale Price:
USD 77.99
10 Bay 9 Volt Charger + 10 x 9 Volt 300 mAh AccuPower NiMH Rechargeable Batteries (no memory effect) click for more info Item ID #17307
Reg. Price:
USD 18.99


Sale Price:
USD 15.49
AA/AAA USB Stick Charger + 2 AA 2900 mAh & 2 AAA 1200 mAh NiMH Rechargeable Accupower Batteries click for more info Item ID #17583
Reg. Price:
USD 70.99


Sale Price:
USD 44.99
8 Bay AA / AAA LCD Battery Charger + 8 AA 2400 mAh Rayovac NiMH Batteries click for more info Item ID #19560
Reg. Price:
USD 72.99


Sale Price:
USD 47.99
8 Bay AA / AAA LCD Battery Charger + 8 AAA 1100 mAh Acculoop-X NiMH Batteries click for more info Item ID #19558
Reg. Price:
USD 28.99


Sale Price:
USD 16.99
2 x 24 Head Power Led Super Bright Emergency Light (PL-24) click for more info Item ID #18051
Reg. Price:
USD 45.99


Sale Price:
USD 32.99
2 x CREE XR-E (4W) LED Aluminium Flashlight + 4 Duracell Ultra CR123A 3 Volt Lithium Batteries click for more info Item ID #19183
Reg. Price:
USD 11.99


Sale Price:
USD 7.19
24 Head Led Ultra Bright Rubber Puck Light click for more info Item ID #15442
Reg. Price:
USD 12.99


Sale Price:
USD 6.49
14 Head Led Ultra Bright & Light Flashlight (Black) click for more info Item ID #15362
Reg. Price:
USD 19.99


Sale Price:
USD 7.69
NiteStar - 3 in 1 - Flashlight,  Power Outage Light and Night Light click for more info Item ID #17248
Reg. Price:
USD 105.99


Sale Price:
USD 39.99
3 x Bluetooth Wireless Rechargeable Stereo Speaker - BTS-1000 click for more info Item ID #18070
Reg. Price:
USD 24.99


Sale Price:
USD 12.99
Eclipse Pro EP-2500 Hi-FI Stereo Sound Foldable Headphones (Black) click for more info Item ID #18064