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Daily Specials
 
Wholesale Batteries
NiMH - AA / AAA / C / D / 9V
NiCd - AA / AAA / C / D / 9V
Lithium Phosphate Batteries (LiFePO4)
Alkaline Batteries
Battery Chargers
Battery & Charger Combos
Battery Packs (2.4V to 36V)
Battery Pack Chargers
iRobot Roomba Battery Packs
NiCd Battery Pack + Charger
Lithium Ion (Li-Ion) Battery Packs
2.4 Volt NiCd & NiMH Battery Packs
3.6 Volt NiCd & NiMH Battery Packs
4.8 Volt NiCd & NiMH Battery Packs
6 Volt NiCd & NiMH Battery Packs
7.2 Volt NiCd & NiMH Battery Packs
8.4 Volt NiMH Battery Packs
9.6 Volt NiCd & NiMH Battery Packs
12 Volt NiMH Battery Packs
24 Volt NiMH Battery Packs
36 Volt NiMH Battery Packs
Batteries with Tabs
Button Batteries AG / LR / SR
CR2025, 2032, 2450 & More
CR123, CR2, CR-P2, 2CR5, CRV3
Door Lock Batteries
Dog Collar & Fence Batteries
Exell Speciality Batteries
Flashlights
Flashlight Batteries
Flat Top Batteries (OEM)
Hearing Aid Batteries
Headphones / Bluetooth Speaker
Lithium Batteries
Lithium Ion Batteries
Medical Batteries
Power Bank Chargers
Silver Oxide Batteries
Solar Light Batteries
Sub C Batteries
Two Way Radio Batteries
Cases, Adapters & Testers
Power Supplies - 12V to 19V
Voltage Converters

Information Articles

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 Search:   
Battery Pack Chargers
Battery Pack Chargers
Chargers for NiCd, NiMH & Lithium Ion Battery Packs
iRobot Roomba Battery Packs
iRobot Roomba Battery Packs
iRobot Roomba 400, 500, 600 & 700 Series Vacuum Battery Packs
NiCd Battery Pack + Charger
NiCd Battery Pack + Charger
Lithium Ion (Li-Ion) Battery Packs
Lithium Ion (Li-Ion) Battery Packs
3.7 Volt - 14.4 Volt Battery Packs
2.4 Volt NiCd & NiMH Battery Packs
2.4 Volt NiCd & NiMH Battery Packs
3.6 Volt NiCd & NiMH Battery Packs
3.6 Volt NiCd & NiMH Battery Packs
4.8 Volt NiCd & NiMH Battery Packs
4.8 Volt NiCd & NiMH Battery Packs
6 Volt NiCd & NiMH Battery Packs
6 Volt NiCd & NiMH Battery Packs
7.2 Volt NiCd & NiMH Battery Packs
7.2 Volt NiCd & NiMH Battery Packs
8.4 Volt NiMH Battery Packs
8.4 Volt NiMH Battery Packs
9.6 Volt NiCd & NiMH Battery Packs
9.6 Volt NiCd & NiMH Battery Packs
12 Volt NiMH Battery Packs
12 Volt NiMH Battery Packs
24 Volt NiMH Battery Packs
24 Volt NiMH Battery Packs
36 Volt NiMH Battery Packs
36 Volt NiMH Battery Packs

 

Battery Packs and Battery Pack Chargers

If you want to know what a battery pack is, you’ll discover the answer on this page. We dedicate this article to the fundamentals about battery packs (and their chargers).

First off, what is a battery pack? It’s a battery comprised up of individual battery cells inside attached/encased to form a single battery component. To illustrate this more clearly,  here’ s an example:  A 9.6 Volt battery pack, is really 8 single 1.2 Volt cells grouped together. One could say that as long as there are two or more individual cells inside a battery pack, then it is in fact a battery pack. But why do these exist? Well, many consumer electronic products are built at the factory with battery packs instead of using single cells. When these batteries need to be replaced, they need to be replaced as what they are, which is a battery pack. Sometimes, purchasing a new battery pack at the store can be as expensive as the whole product was to begin with that hold the original battery pack. So..........many people opt to build them themselves or purchase them online from a reliable battery pack supplier who can provide better pricing than can brick and mortar stores.

There are many difference size cells that can make up a battery pack. Sub C cells, AA, AAA, 2/3A, 2/3 AA and so on, can all be the inside cells used in battery packs today.

If the batteries inside the battery pack are rechargeable, then the battery pack becomes a rechargeable battery pack and can be used in a battery pack designated charger, to replenish their power.

Cordless telephones use battery packs, computers can have battery packs and many other products we all use each day. Until you actually open the battery compartment of a device, you might not be aware that there’s a battery PACK inside it!

Of course, a rechargeable battery pack needs a battery pack charger to go with it to preserve the intended life cycles of the battery pack.

For your information, we provide a little chart of the most commonly sized battery packs around.

2.4 volt: to help you understand, this size pack would require 2 cells of 1.2 volt each

Then there are: 4.8 volt, 6 volt, 7.2 volt,  8.4 volt 9.6 volt 12 volt,  24 volt, and 36 volt battery packs.

The above packs are available for NiCD (Nickel Cadmium) or NIMH (Nickel Metal Hydride) battery chemistry.

3.7 volt: 1 Lithium Ion (Li-Ion) cell (Re: Lithium-Ion, there are also: 7.4 Volt Lithium ion Battery Packs, and 11.1 Volt Lithium Ion  Battery Packs

Here for your convenience are some quick links to our inventory of battery packs and battery packs and charger bundles. (Or you could simply scroll up to the top of this page and click on the category that best suits your requirements and do directly to our offerings for that section.

Battery Pack Chargers:  Battery Chargers for Charging NiMH/NiCD and Lithium-Ion Battery Packs.

I-Robot Roomba/ Scooba Battery Packs:  IRobot Roomba 400 / 500, Discovery Series. Create and Dirt Dog Models. and Scooba Floor Washing 5900 Series.

Battery Packs & Charger: Battery Packs and Battery Chargers Combination Packages.

Lithium ion (li-ion) Battery Packs: 3.7v - 14.4v Battery Packs

2.4v Battery Packs: 2.4 Volt Battery Packs - All different Applications

4.8v Battery Packs: Assorted 4.8 Volt Battery Packs for RC Hobby, Scanners...

6v Battery Packs:  Assorted 6 Volt Battery Packs - Airsoft, Hump, Flat...

7.2v Battery Packs: Assorted 7.2 Volt Battery Packs - Many Configurations.

8.4v Battery Packs: Assorted 8.4 Volt Battery Packs - Airsoft, RC...

9.6v Battery Packs: Assorted 9.6 Volt Battery Packs - Many Configurations.

12 v Battery Packs:  Assorted 12 Volt Battery Packs for 12V DC Portable Devices ideal for RC Hobbiests, Robots, Laptops...An Excellent replacement for Lead Acid Batteries

24 v Battery Packs: Assorted 12 Volt Battery Packs for 24V DC Portable Devices ideal for RC Hobbiests, Robots, Scooters, Laptops...An Ideal replacement for Lead Acid batteries

36 v Battery Packs: Assorted 36 Volt Battery Packs for 24V DC Portable Devices ideal for RC Hobbiests, Robots, Scooters, Laptops...An Ideal replacement for Lead Acid batteries

Following are some useful links to popular sections of our MEGAsite!

WHOLESALE BATTERIES

There is not a battery we stock that we don’t have in large quantity! We invite all Government Departments, Universities and Schools across North America, Libraries, Media Centers and Research Labs, Corporations from Industry in the Private Sector to send us their Purchase Orders for their wholesale requirements and we are equipped to work closely and DIRECTLY with you, to deliver exactly what you require, how you need it and when you need it. Our brimming warehouse if SUPER Fresh batteries can adhere to even the most stringent of delivery schedules. Some ask their D’s be shipped over time on the 1st Monday of each quarter. Some need their batteries spread out over many different satellite locations. Whatever the details of your requirements, contact us to tell them to us and we’ll do our best to meet those needs. We are fully postured to deliver all battery sizes and chemistries at the wholesale level to volume users. Talk to us and tell us what you require and how you require it!

Please pass this site along to your colleagues, associates, friends and family and to all those who can benefit from dealing with MEGAbatteries.com as their trusted and reliable battery supplier! They will appreciate the recommendation. And of course, we do too!

One of the most popular features of our website is our incredible DAILY SPECIALS.

PLEASE SCROLL DOWN to view these deals!

We promote at least 50 products each day, which flow through a roster continually changing to other products. If you bookmark this section, you’ll be up to date each day with what we have on special. Did we just say special? That’s an understatement! We SLASH the prices on these products. Won’t you have a look? If you use rechargeable batteries as well, you’re sure to several deals on them too! Some battery sites, offer a “DEAL OF THE DAY”. Wow! Isn’t that special? We offer 50+ deals of the day, and let us point out, our batteries and charger deals are SLASHED to the MAX. Our customers just LOVE our specials. You will TOOOOOO!!

We’re glad you’re here. Please let us know how we can accommodate your battery, battery charger, and battery accessory requirements.

We’re committed to delivering to you, not only a quality product at a competitive price, quickly and efficiently, but also delivering technical answers to all your battery and charger questions. The more informed you are, the better the purchases you will make and have your batteries and chargers serve you long and well.

If you have any questions about the bundled packages offered on this page before you purchase, please don’t hesitate to reach us with your query. We will provide accurate, technical information to help you get exactly what you require. 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 74.99


Sale Price:
USD 59.99
16 Bay AA / AAA LCD Smart Battery Charger click for more info Item ID #19576
Reg. Price:
USD 350.99


Sale Price:
USD 209.99
25 x AA / AAA 4 Slot LED Smart Battery Charger click for more info Item ID #19103
Reg. Price:
USD 76.99


Sale Price:
USD 49.99
10 Bay 9 Volt Advanced Battery Smart Charger click for more info Item ID #15154
Reg. Price:
USD 49.99


Sale Price:
USD 39.99
9.6V - 18V NiMh & NiCD Battery Pack Smart Charger click for more info Item ID #14368
Reg. Price:
USD 45.99


Sale Price:
USD 36.99
4.8V - 10.8V NiMh & NiCD Battery Pack Smart Charger click for more info Item ID #14367
Reg. Price:
USD 24.99


Sale Price:
USD 18.99
V-868 8 Bay AAA & AA Standard Battery Charger click for more info Item ID #13207
Reg. Price:
USD 39.99


Sale Price:
USD 32.99
V-2299 Universal Smart Battery Charger + DC Car Cord (charges AA, AAA, C, D and 9 Volt) click for more info Item ID #13203
Reg. Price:
USD 36.99


Sale Price:
USD 28.99
12 x AA Rayovac (2400mAh) NiMH Batteries click for more info Item ID #18091
Reg. Price:
USD 22.69


Sale Price:
USD 16.99
8 x AAA Rayovac (750 mAh) NiMH Batteries click for more info Item ID #19186
Reg. Price:
USD 19.59


Sale Price:
USD 11.99
4 x C 3000 mAh Accupower NiMH Rechargeable Batteries click for more info Item ID #17739
Reg. Price:
USD 29.19


Sale Price:
USD 22.99
4 x D 4000 mAh NiMH Accupower Rechargeable Batteries click for more info Item ID #17748
Reg. Price:
USD 23.99


Sale Price:
USD 18.99
7.2 Volt 2200 mAh NiMH Battery Pack - Leads click for more info Item ID #13684
Reg. Price:
USD 25.99


Sale Price:
USD 18.99
7.2 Volt 2100 mAh NiCd Battery Pack - Tamiya Plug click for more info Item ID #13679
Reg. Price:
USD 16.99


Sale Price:
USD 10.99
7.2 Volt 1500 mAh NiCd Battery Pack - Tamiya Plug click for more info Item ID #13677
Reg. Price:
USD 115.99


Sale Price:
USD 86.99
2 x 7.2 Volt  4200 mAh NiMH Battery Packs + Universal Smart Charger click for more info Item ID #14300
Reg. Price:
USD 49.99


Sale Price:
USD 39.99
7.2 Volt  1500 mAh NiCD Battery Pack + Universal Smart Charger click for more info Item ID #14176
Reg. Price:
USD 289.99


Sale Price:
USD 156.99
270 pcs (18 Packs of 15) x 18 Volt Sub C NiCd (1700 mAh) Batteries click for more info Item ID #18331
Reg. Price:
USD 499.95


Sale Price:
USD 239.99
540 pcs (36 Packs of 15) x 18 Volt Sub C NiCd (1700 mAh) Batteries click for more info Item ID #18330
Reg. Price:
USD 69.99


Sale Price:
USD 48.99
45 pcs (3 Packs of 15) x 18 Volt Sub C NiCd (1700 mAh) Batteries click for more info Item ID #18190
Reg. Price:
USD 110.99


Sale Price:
USD 62.99
75 pcs (5 Packs of 15) x 18 Volt Sub C NiCd (1700 mAh) Batteries click for more info Item ID #18188
Reg. Price:
USD 25.99


Sale Price:
USD 18.99
8 x CR2 Energizer Photo Lithium 3 Volt Battery click for more info Item ID #15532
Reg. Price:
USD 31.99


Sale Price:
USD 20.99
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 17.99


Sale Price:
USD 10.99
5 x CR2032 Energizer 3 Volt Lithium Coin Cell Batteries (On a Card) click for more info Item ID #17804
Reg. Price:
USD 19.89


Sale Price:
USD 8.99
12 x A76 / LR44 Rayovac Button Batteries (4 Cards of 3) click for more info Item ID #19042
Reg. Price:
USD 46.99


Sale Price:
USD 28.99
100 x AG10 (389, 390 & LR54) Camelion Button Batteries click for more info Item ID #14070
Reg. Price:
USD 15.79


Sale Price:
USD 8.69
24 x  AAA Energizer Industrial Alkaline Batteries (EN92) click for more info Item ID #15668
Reg. Price:
USD 12.59


Sale Price:
USD 6.29
8 x C Size Battery Adapters from 1 AA Battery click for more info Item ID #17627
Reg. Price:
USD 6.99


Sale Price:
USD 4.99
Eneloop Battery Case Organizer for AA / AAA / C and D Batteries click for more info Item ID #16570
Reg. Price:
USD 30.99


Sale Price:
USD 26.99
Battery Rack Organizer for 82 Batteries with Battery Tester click for more info Item ID #18638
Reg. Price:
USD 36.49


Sale Price:
USD 26.99
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 26.99
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 131.99


Sale Price:
USD 99.99
3 Genuine Welch Allyn 72200 3.5 Volt Nickel Cadmium (NiCd) Medical Batteries click for more info Item ID #16550
Reg. Price:
USD 21.30


Sale Price:
USD 12.99
8 x AAA Energizer Advanced 1.5 Volt Lithium Batteries  (EA92) click for more info Item ID #17172
Reg. Price:
USD 11.39


Sale Price:
USD 7.69
4 x AA Energizer Ultimate Lithium (3000 mAh) Batteries (L91) click for more info Item ID #17156
Reg. Price:
USD 28.79


Sale Price:
USD 16.99
12 Pcs 357 / 303 Energizer Silver Oxide Button Battery (LR44 AG13  SR44SW SR44W L1154 PX76A G13 A76 S76) click for more info Item ID #18419
Reg. Price:
USD 13.19


Sale Price:
USD 10.49
25 x AA Energizer Advanced Alkaline Batteries click for more info Item ID #19545
Reg. Price:
USD 73.99


Sale Price:
USD 53.99
8 Bay AA / AAA LCD Battery Charger + 8 AA 2600 mAh AccuLoop-X NiMH Batteries click for more info Item ID #19556
Reg. Price:
USD 70.99


Sale Price:
USD 44.99
8 Bay AA / AAA LCD Battery Charger + 8 AAA 1200 mAh NiMH Batteries click for more info Item ID #19561
Reg. Price:
USD 138.99


Sale Price:
USD 109.99
12 Bay AA / AAA LCD Battery Charger + 24 AA 2450 mAh Duracell NiMH Batteries click for more info Item ID #19592
Reg. Price:
USD 117.99


Sale Price:
USD 89.99
12 Bay AA / AAA LCD Battery Charger + 24 AAA 750 mAh Rayovac NiMH Batteries click for more info Item ID #19602
Reg. Price:
USD 44.99


Sale Price:
USD 38.99
12 Volt 9 Amp Switching Power Supply click for more info Item ID #16670
Reg. Price:
USD 24.99


Sale Price:
USD 19.99
19 Volt DC 3.15 Amp Switching Set Top Power Supply click for more info Item ID #16667
Reg. Price:
USD 23.99


Sale Price:
USD 16.99
12 Volt DC Power Inverter Delivers 15V DC 3 Amps For Laptops Or Other Electronic Devices click for more info Item ID #16665
Reg. Price:
USD 13.99


Sale Price:
USD 9.99
International Dual Voltage Converter 110V-220V click for more info Item ID #14041
Reg. Price:
USD 24.99


Sale Price:
USD 19.99
100 Watt Capacity - Step Up/Down Voltage Converter click for more info Item ID #15473
Reg. Price:
USD 19.99


Sale Price:
USD 13.49
NiteStar - 3 in 1 - Flashlight,  Power Outage Light and Night Light click for more info Item ID #17248
Reg. Price:
USD 24.99


Sale Price:
USD 19.99
CREE XR-E (4W) LED Aluminum Flashlight + 2 Duracell Ultra CR123A 3 Volt Lithium Batteries click for more info Item ID #16410
Reg. Price:
USD 92.59


Sale Price:
USD 46.99
10 x 24 Head Led Ultra Bright Rubber Puck Lights click for more info Item ID #17036
Reg. Price:
USD 110.99


Sale Price:
USD 56.99
Set of 5 CREE XR-E (4W) LED Aluminum Flashlights + 3 AAA Duracell CopperTop Alkaline Batteries click for more info Item ID #17028
Reg. Price:
USD 44.99


Sale Price:
USD 16.99
Bluetooth Wireless Rechargeable Stereo Speaker - BTS-1000 click for more info Item ID #18068
Reg. Price:
USD 24.99


Sale Price:
USD 8.69
Eclipse Pro EP-2500 Hi-FI Stereo Sound Foldable Headphones (Black) click for more info Item ID #18064
About MegaBatteries.com

If you’re looking for batteries or battery chargers, you’ll be happy to know that you’ve arrived at a real merchant selling batteries from our own warehouse. While on our site, you will not be taken to other sites (often called portals). We’re a real company doing business with our own inventory and shipping it out of our own facility. It’s like walking directly into a brick and mortar battery store, but without leaving your home!

For over 9 years, we’ve been providing batteries, battery chargers and battery accessories at competitive prices to hundreds of thousands of satisfied consumers, Corporations, Government Agencies, the Military, Hospitals and Resellers the world over.

We carry rechargeable batteries and the chargers to go with them, as well as non rechargeable batteries. We sell battery testers, battery adapters and battery organizers.

We pride ourselves on outstanding customer service that is never without integrity and respect for the customer.