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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

Price: USD $24.99
Qty:  

Universal Battery Tester for more than 12 Types of Batteries

Price: USD $21.99
Qty:  

Digital Multimeter - Multi Function

Price: USD $19.99
Qty:  

Pocket Digital Multimeter

Price: USD $15.99
Qty:  

Camelion Battery Tester

Price: USD $7.99
Qty:  

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

Price: USD $6.99
Qty:  

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

Price: USD $6.99
Qty:  

Battery Tester for AA / AAA / C / D Batteries

Price: USD $6.99
Qty:  

Powerex AA & AAA Battery Case (Holds Eight Batteries)

Price: USD $2.69
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-Pack Pocket Digital Multimeters

Price: USD $29.99
Qty:  

Westinghouse Dynamo Battery Rack / Case and Tester (Holds 47 Batteries)

Price: USD $22.99
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:  

 

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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 33.99


Sale Price:
USD 19.69
8 x AA NiMH Powerex Rechargeable Batteries (2600 mAh) with Battery Case click for more info Item ID #21797
Reg. Price:
USD 27.59


Sale Price:
USD 11.69
4 x C Tenergy NiMH Batteries (5000 mAh) click for more info Item ID #13439
Reg. Price:
USD 17.99


Sale Price:
USD 15.69
2 x C NiMH AccuPower AccuLoop Batteries (4500 mAh) click for more info Item ID #15056
Reg. Price:
USD 321.69


Sale Price:
USD 189.99
48 x C Tenergy NiMH Batteries (5000 mAh) click for more info Item ID #22084
Reg. Price:
USD 168.99


Sale Price:
USD 128.69
16 x D Tenergy NiMH Batteries (10000 mAh) click for more info Item ID #22016
Reg. Price:
USD 87.69


Sale Price:
USD 79.99
8 x D Tenergy NiMH Batteries (10000 mAh) click for more info Item ID #22014
Reg. Price:
USD 289.99


Sale Price:
USD 169.99
270 pcs (18 Packs) x 18 Volt Sub C 1700 mAh NiCd Batteries (Ideal for Pack Assembly) click for more info Item ID #18331
Reg. Price:
USD 499.99


Sale Price:
USD 269.99
540 pcs (36 Packs) x 18 Volt Sub C 1700 mAh NiCd Batteries (Ideal for Pack Assembly) click for more info Item ID #18330
Reg. Price:
USD 89.99


Sale Price:
USD 77.69
60 pcs (4 Packs) x 18 Volt Sub C 1700 mAh NiCd Batteries (Ideal for Pack Assembly) click for more info Item ID #18189
Reg. Price:
USD 43.39


Sale Price:
USD 38.69
15 x 4/5 Sub C NiCd Batteries with Tabs (1300 mAh) click for more info Item ID #17916
Reg. Price:
USD 71.19


Sale Price:
USD 62.99
24 x CR2 Panasonic Industrial  3 Volt Lithium Batteries click for more info Item ID #13818
Reg. Price:
USD 120.89


Sale Price:
USD 99.99
48 x Panasonic CR123A 3 Volt Lithium Batteries click for more info Item ID #16591
Reg. Price:
USD 47.39


Sale Price:
USD 35.69
16 x Panasonic CR123A 3 Volt Lithium Batteries click for more info Item ID #16589
Reg. Price:
USD 31.99


Sale Price:
USD 28.99
10 x Energizxer EL123A CR123A 3 Volt Photo Lithium Batteries (ideal for L.E.D flashlights) click for more info Item ID #15946
Reg. Price:
USD 36.99


Sale Price:
USD 33.69
Tenergy RCR123A 3.7 Volt 650mAh Li-ion Batteries (4-Pack)  (ARLO Certified) click for more info Item ID #21459
Reg. Price:
USD 1,199.99


Sale Price:
USD 1,069.99
480 x Energizer CR2 3 Volt Lithium Batteries (240 Cards of 2) click for more info Item ID #22392
Reg. Price:
USD 17.99


Sale Price:
USD 11.69
10 x LR66 / AG4 Westinghouse Alkaline Button Batteries (5 Cards of 2) click for more info Item ID #21742
Reg. Price:
USD 23.89


Sale Price:
USD 16.99
15 x A76 / LR44 Rayovac Button Batteries (5 Cards of 3) click for more info Item ID #19043
Reg. Price:
USD 31.99


Sale Price:
USD 16.99
30 x AG3 / 384 / 392 / LR41 Camelion Button Batteries click for more info Item ID #14046
Reg. Price:
USD 70.49


Sale Price:
USD 48.69
2 Welch Allyn Replacement Medical Batteries: 72200 3.5 Volt Nickel Cadmium (NiCd) for Welch Allyn Otoscope Handles click for more info Item ID #16378
Reg. Price:
USD 70.49


Sale Price:
USD 59.99
2 x Medical Battery 72300 3.5 Volt Batteries for Welch Allyn Handles click for more info Item ID #16377
Reg. Price:
USD 31.99


Sale Price:
USD 21.69
12 x AA Energizer Ultimate Lithium 1.5 Volt Batteries (L91) (Carded) click for more info Item ID #21849
Reg. Price:
USD 34.99


Sale Price:
USD 28.69
4 x 9 Volt Energizer (L522) Ultimate Lithium Battery click for more info Item ID #19136
Reg. Price:
USD 12.99


Sale Price:
USD 7.89
AAA Energizer Ultimate Lithium Battery (L92)  (4 Pack) click for more info Item ID #16008
Reg. Price:
USD 37.59


Sale Price:
USD 28.69
48 x Size 13 Duracell Activair (DA13) Easy Tab Hearing Aid Batteries click for more info Item ID #16298
Reg. Price:
USD 40.49


Sale Price:
USD 32.69
60 x Size P675 PowerOne Hearing Aid Batteries click for more info Item ID #18493
Reg. Price:
USD 36.59


Sale Price:
USD 29.99
60 x  Size 312 ZeniPower Hearing Aid Batteries click for more info Item ID #18080
Reg. Price:
USD 244.49


Sale Price:
USD 189.99
480 x Size p312 PowerOne Hearing Aid Batteries click for more info Item ID #20807
Reg. Price:
USD 34.99


Sale Price:
USD 32.69
12 x 9 Volt Duracell Coppertop Alkaline Batteries (MN1604) click for more info Item ID #21364
Reg. Price:
USD 145.99


Sale Price:
USD 89.99
48 x 9 Volt Duracell Quantum (Hi-Density Core) Alkaline Batteries (QU1604) click for more info Item ID #21317
Reg. Price:
USD 15.69


Sale Price:
USD 11.69
12 x AAA Duracell Quantum Alkaline Batteries (Hi-Density Core) (QU2400) click for more info Item ID #21303
Reg. Price:
USD 4,752.99


Sale Price:
USD 4,369.99
960 x Energizer 2CR5 6 Volt Lithium Batteries (EL2CR5) click for more info Item ID #22346
Reg. Price:
USD 62.99


Sale Price:
USD 28.69
8 x Panasonic CR-V3 3 Volt Lithium Camera Batteries click for more info Item ID #17179
Reg. Price:
USD 33.99


Sale Price:
USD 17.69
4 x CRV3 Panasonic Lithium 3 Volt Battery (CR-V3) click for more info Item ID #17178
Reg. Price:
USD 16.99


Sale Price:
USD 15.99
2CR5 Duracell Ultra 245 Photo Lithium Battery (On a Card) click for more info Item ID #20962
Reg. Price:
USD 63.59


Sale Price:
USD 43.69
8 x Panasonic 2CR5 6 Volt Photo Lithium Batteries (245, dl245, el2cr5) click for more info Item ID #15960
Reg. Price:
USD 63.59


Sale Price:
USD 48.69
8 x Panasonic CRP2 6 Volt Lithium Batteries click for more info Item ID #16749
Reg. Price:
USD 32.99


Sale Price:
USD 27.69
Ultra AA/AAA Desktop Smart Charger + 4 AA 2900 mAH Accupower NiMH Batteries click for more info Item ID #15854
Reg. Price:
USD 21.99


Sale Price:
USD 18.69
Energizer AA / AAA Battery Charger + 4 AA Energizer NiMH Batteries click for more info Item ID #19604
Reg. Price:
USD 38.69


Sale Price:
USD 29.99
UltraLast AA / AAA Smart Battery Charger + 8 AA Tenergy NiMH Rechargeable Batteries (2500 mAh) click for more info Item ID #22257
Reg. Price:
USD 86.69


Sale Price:
USD 53.69
12 Bay AA / AAA LCD Battery Charger + 12 AAA Tenergy NiMH Rechargeable Batteries (1000 mAh) click for more info Item ID #22192
Reg. Price:
USD 97.29


Sale Price:
USD 57.69
12 Bay AA / AAA LCD Battery Charger + 6 AAA (1000 mAh) + 6 AA (2500 mAh) Tenergy NiMH Rechargeable Batteries click for more info Item ID #22190
Reg. Price:
USD 127.99


Sale Price:
USD 99.99
12 Bay AA / AAA LCD Battery Charger + 24 AA 2300 mAh Energizer NiMH Batteries click for more info Item ID #19597
Reg. Price:
USD 89.99


Sale Price:
USD 58.69
12 Bay AA / AAA LCD Battery Charger + 12 AAA 1200 mAh NiMH Batteries click for more info Item ID #19588
Reg. Price:
USD 98.99


Sale Price:
USD 53.69
12 Bay AA / AAA LCD Battery Charger + 12 AA 2700 mAh NiMH Batteries click for more info Item ID #19583
Reg. Price:
USD 71.49


Sale Price:
USD 48.69
Cree XP-E LED - 300 Lumens Flashlight (S02) + 2 x 18650 3400mAh Rechargeable Battery + Charger click for more info Item ID #21895
Reg. Price:
USD 49.99


Sale Price:
USD 38.69
Cree XP-E LED - 300 Lumens Flashlight (S02) + 1 x 18650 2000mAh Rechargeable Battery + Charger click for more info Item ID #21893
Reg. Price:
USD 39.99


Sale Price:
USD 32.69
Westinghouse 3 Watt Cree Rechargeable Aluminum Flashlight with 18650 Battery click for more info Item ID #21171
Reg. Price:
USD 69.99


Sale Price:
USD 45.99
10 x Non-Medical 3-Ply Reusable Face Masks (white) click for more info Item ID #21874
Reg. Price:
USD 49.99


Sale Price:
USD 44.69
Infrared Forehead Thermometer (Non-Contact) click for more info Item ID #21885
Reg. Price:
USD 65.99


Sale Price:
USD 42.69
10 x Protective Face Shields click for more info Item ID #21944