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eneloop AA with "D" Spacers, 1800 cycle, Ni-MH Pre-Charged Rechargeable Batteries, 2 Pack

4.6 out of 5 stars 7,983 customer reviews
| 432 answered questions

Price: $9.45 & FREE Shipping
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D Spacers with 2 AA Size Chart
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  • Spacers allow eneloop AA batteries to be inserted and utilized in "D" size battery applications
  • Includes 2 AA eneloop Ni-MH Pre-Charged Rechargeable Batteries
  • 2000mAh typ, 1900mAh min, Ni-MH pre-charged rechargeable battery
  • Recharge up to 1800 times, eneloop batteries maintain up to 70% of their charge after 5 years of non-use
  • Work in extreme temperatures down to -4°F
2 new from $9.45

Frequently Bought Together

  • eneloop AA with "D" Spacers, 1800 cycle, Ni-MH Pre-Charged Rechargeable Batteries, 2 Pack
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  • Panasonic BK-3MCCA8BA Eneloop AA 2100 Cycle Ni-MH Pre-Charged Rechargeable Batteries (Pack of 8)
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  • Panasonic K-KJ17MCA4BA Advanced Individual Cell Battery Charger Pack with 4AA eneloop 2100 Cycle Rechargeable Batteries (4 pack)
Total price: $46.18
Buy the selected items together

Technical Details

Size: D Spacers with 2 AA
  • Brand Name: Sanyo
  • Model Number: SEC-NCSD2AAN
  • Battery Type: NiMh
  • Item Package Quantity: 1

Product Description

Size: D Spacers with 2 AA

Product Description

The new SEC-NCSD2AAN eneloop "D" spacer kit with 2 AA batteries utilizes SANYO's advanced rechargeable battery technology allowing them to last longer than ever before! They provide excellent performance-to-cost advantages over both conventional alkaline and other rechargeable batteries. Unlike disposable batteries which can only be used only once and are wasteful to the environment, the new eneloop batteries can be recharged up to 1,500 times. They come pre-charged, can be used immediately out of the pack and maintain 75% of their charge for up to 3 years when not in use. Eneloop batteries deliver reliable battery performance when you need it the most!

From the Manufacturer

The new SEC-NCSD2AAN 2-AA eneloop battery with "D" spacer pack utilizes SANYO’s advanced rechargeable battery technology allowing them to be recharged up to 1500 times, 33% more than any eneloop battery!

They deliver excellent power performance. They come pre-charged and can be used immediately out of the package. These eneloop cells also have increased storage life and better extreme temperature performance than the original eneloop batteries.

  • "D" spacer kit with SANYO eneloop 2,000 mAh, low self discharge rechargeable AA batteries
  • rechargeable AA batteries
  • Maintain 75 percent of their charge after 3 years of storage
  • Can be recharged up to 1,500 times
  • Pre-charged and ready to use right out of the package
  • Work in extreme temperatures down to ?캟
  • Provide long lasting power at a cost of only 4¢ per recharge
  • Pre-Charged using power generated from solar energy
  • No memory effect – batteries can be recharged when fully, or partially drained


Incredibly Long Storage Life

SANYO 1500 cycle rechargeable eneloop Ni-MH batteries maintain up to 75% of their charge after three years of storage compared to conventional rechargeable batteries which often have 0% charge after only 2 years of non-use.

eneloop AA to D Spacer


eneloop AA batteries can easily be inserted into the “D” spacers provided allowing them to be used in equipment that requires "D" cell batteries. The eneloop AA batteries with “D” spacers are great for use when standard cells are not readily available or for emergency use. The voltage and the capacity remain unchanged from the standard 1500 eneloop AA specification.

Keeps devices powered in extremely cold weather


Keep your portable players, cameras, flashlights and other devices powered in th e winter. eneloop 1500 cycle and XX batteries deliver exceptional performance at extreme low temperatures, down to ?캟.


SANYO’s "Clean Energy Loop" initiative has become a reality. All eneloop 1500 cycle and XX batteries are charged at the factory in Japan using power generated from solar energy.

Genuine SANYO eneloop battery packages


eneloop꿂onsistently High Voltage Level
eneloop maintains consistently High Voltage Leve

The initial voltage level of a battery provides no indication of how long the battery will last or how much power it can deliver. Alkaline battery cells rapidly drop below 1.5V soon after they are put into use and the voltage continues to steadily decline over time.

Since alkaline cells are non-rechargeable, they must be discarded and then replaced. SANYO’s eneloop batteries deliver best-in-class Ni-MH high capacity power and are rechargeable up to 1500 times. Devices like cameras flash units and wireless game controllers can easily draw more than 1000mA of current; rapidly depleting alkaline batteries.

eneloop batteries maintain a consistently high voltage level keeping your devices operating for a longer period of time. When you use eneloop Ni-MH rechargeable batteries, you will realize that “1.2V” can indeed be better than “1.5V”.


Why are alkaline batteries 1.5v?

Regular disposable AA and AAA batteries are considered Primary Cells, and are most widely recognized as conventional “alkaline” batteries. There are two electrodes inside each cell; one is made of Zinc, known as the anode (the negative terminal) and the other is made of Manganese Dioxide, known as the cathode (the positive terminal). The electrodes are surrounded by an alkaline electrolyte, the chemical from which alkaline batteries get their name.

Battery chemistry of an alkaline battery generates 1.5V. As the chemical reaction fades, so does the power of the alkaline battery cell. This is why the voltage from alkaline batteries drops off shortly after the battery is put into use and the power continues to fade over time.


 NI-MH rechargeable battery

Ni-MH rechargeable batteries have two electrodes inside the cell: Nickel and Mercury Hydride. Battery chemistry of an Ni-MH rechargeable battery generates 1.2V. While alkaline batteries experience rapid drops in voltage Ni-MH rechargeable batteries maintain the same voltage throughout most of the entire charge.

The chemical makeup of Ni-MH batteries eliminates the “memory effect”, which means the cells can be recharged at any time without having to be fully discharged.

eneloop batteries have continued to raise the performance bar in Ni-MH rechargeable technology. eneloop has increased “low self discharge” performance on Ni- MH rechargeable batteries which allows eneloop cells to store power for longer periods of time.


What makes eneloop the best rechargeable battery?

The new SANYO eneloop battery incorporates a highly-durable super-lattice alloy which lessens the deterioration of this important alloy material. This super-lattice alloy increases the electrical capacity of the battery chemistry through lower internal resistance and delivers a long lasting, stable voltage output.

A new strong, thin outer case has also been added to the eneloop battery design in order to improve the internal cell space efficiency. The new case optimizes the balance of the components and when combined with other improvements have led to an increase in the number of times that eneloop batteries can be recharged.


Wireless game controllers incorporate power-hungry features such as built-in speakers, gyroscopes and motion sensors. Consider the hidden cost of ownership in operating two wireless game controllers.

Let뭩 make the following assumptions:
  1. You play video games one hour per day or 365 hours per year, using two remote/wireless controllers.
  2. A pair of batteries (either alkaline or eneloop) will provide you with roughly 20 hours of game-play usage time.
  3. In the first year, you will need 18.25 pairs of batteries per controller (either new alkaline or recharged eneloops).
  4. You will consume 73 alkaline battery cells in one year (for two controllers) compared to only 4 eneloop cells which can be recharged 1500 times ($0.04 per cell).
  5. Four AA Alkaline batteries will cost roughly $5.49 MSRP.
  6. Four AA eneloop batteries with an AC charger will cost $21.99 MSRP.

Now let’s look at the annual cost of ownership in only the first few years and then extend it out to ten years (at that point, you probably won’t be playing on the same game system). It is quite obvious that eneloop more than pays for itself in just the first year of ownership!

Year 1
Year 2
Year 3
Year 4
Year 5
Year 10
10 Year Total
eneloop 1500 cycle
$24.75 Includes Charger
Alkaline Batteries
*Usage assumptions & cost calculations listed below.
Dependable for many devices


eneloop batteries deliver dependable power allowing you to maximize your music, gaming, computer, photography and other experiences. eneloop batteries can be used to power these and many more devices.


The new 1500 cycle eneloop delivers four important new features
  1. 500 extra charging cycles - The new eneloop is rechargeable up to 1500 times
  2. 33% improved low self-discharge - The new 1500 cycle battery maintains 75% of its charge for up to 3 years when not in use. The original version maintained 75% of its charge for up to 2 years when not in use.
  3. Improved low temperature performance - The new 1500 cycle battery can be used in environments down to -4 degrees F. The original eneloop can be used in temperatures as low as 14 degrees F.
  4. Each battery cell is pre-charged using solar energy when it leaves the factory in Japan.
Genuine SANYO eneloop Batteries

SANYO has three authentic 뱒tyles?of packaging: 1. The 1500 cycle batteries which are in a blue/green cardboard blister design with a earth image screened on the package. 2. The 1000 cycle batteries are in a blue and orange cardboard blister pack. 3. The eneloop XX batteries are in a black cardboard blister package. Products sold in plastic bags or flexible foil style packages are not authorized for sale by SANYO in the U.S. and may not contain authentic SANYO batteries.

How to tell the difference between the 뱊ew 1500" and the 뱋riginal 1000?eneloop batteries
Genuine eneloop 1500 and 1000 packages

It is easy to distinguish between the 1500 and 1000 cycle eneloop batteries. The 1500 battery has a gray top (in the Green/Blue package pictured) and the 1000 (in the Blue/Orange package pictured) has a white top.

eneloop Battery Specifications
Product Name
eneloop 1000 cycle rechargeable battery
"1500 Cycle"
eneloop 1500 cycle rechargeable battery
"1000 Cycle"
XX rechargeable battery powered by eneloop
eneloop XX
Ni-MH rechargeable battery
Ni-MH rechargeable battery
Ni-MH rechargeable battery
high power consumption devices
Recharges / Discharging Cycles
up to 1500
up to 1000
up to 500
Low self-discharge / Storage Capacity
Maintains 75% of its charge after 3 years of non-use
Maintains 75% of its charge after 2 years of non-use
Maintains 75% of its charge after 1 year of non-use
Low Temperature Capacity
-4 degrees F
+14 degrees F
-4 degrees F
Model number
(4 Pack)
(4 Pack)
(4 Pack)
(4 Pack)
(8 Pack)
(8 Pack)
(16 Pack)
1.2 V
1.2 V
1.2 V
1.2 V
1.2 V
Typ. Capacity
2000 mAh
800 mAh
2000 mAh
800 mAh
2500 mAh
Min. Capacity
1900 mAh
750 mAh
1900 mAh
750 mAh
2400 mAh


For more than 35 years, SANYO has been a leading manufacturer of battery technology. In 2005 SANYO set out to develop a new type of rechargeable battery that would literally change the way people live, work and play. The result was eneloop, a rechargeable battery created with a very simple idea in mind: provide a common energy source that can be reused over and over again. This 뱇ooping energy?became eneloop. Today, eneloop battery cells are recognized by millions of consumers worldwide as the industry뭩 premier rechargeable battery.

The Birth of eneloop technology

eneloop’s “signature features” include ready to use rechargeable power with the ability to maintain 75% of their charge for up to 3 years (when not in use), can be recharged up to 1500 times, they have no “memory effect” and outstanding performance even in extremely low temperatures (down to -4 degrees F).

Americans deposit 8 billion disposable batteries into landfills each year! eneloop batteries can be recharged up to 1,500 times, which means that the purchase and use of a single eneloop cell can keep many hundreds of batteries from entering landfills! They can also be recycled free of charge at any of the 50,000+ Rechargeable Battery Recycling Corporation (RBRC) recycling centers near you.

*Usage Assumptions

Two Wii® remote controls
1 hour usage per remote, per day, per year
*20 hour avg. battery life per remote
$5.49 MSRP - 4 pack AA akaline
$21.99 MSRP - eneloop 4 pack AA + charger
©Wii® is a registered trademark of Nintendo

eneloop Recharge Cost Assumptions and Calculations
0.144 Kilowatts @ 8 hours per 4 batteries
4 AA --- 1,500 recharges each
1,500 cycles x 8 hours each = 12,000 hours of AC power
0.144 KW x 12,000 hours = 1,728 KWH
1,728 KWH x $0.12 = $207.36
Initial product cost = $21.99 (4AA eneloop + 4 position charger)
Total cost of product and recharging = ($207.36 + $21.99) = $229.35
Total number of recharge cycles = (4 batteries x 1,500 each) = 6,000 recharges
Cost of recharge = ($229.35/6,000) = $0.038 (3.8?PER RECHARGE)
NOTE: Cost of electricity is based on 2010 national US average energy costs @ $0.12 per KWH

Product Information

Size:D Spacers with 2 AA
Product Dimensions 1.3 x 3.8 x 7.1 inches
Item Weight 1.6 ounces
Shipping Weight 1.6 ounces (View shipping rates and policies)
Item model number SEC-NCSD2AAN
Customer Reviews
4.6 out of 5 stars 7,983 customer reviews

4.6 out of 5 stars
Best Sellers Rank #411 in Electronics > Accessories & Supplies > Batteries, Chargers & Accessories > Household Batteries > AAA
#728 in Electronics > Accessories & Supplies > Batteries, Chargers & Accessories > Household Batteries > AA
Discontinued by manufacturer Yes
Date first available at Amazon.com March 21, 2011


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By NLee the Engineer HALL OF FAMETOP 10 REVIEWER on April 20, 2011
Size: 8 Pack AA Verified Purchase
I have done extensive testing on the original eneloop rechargeable batteries since early 2007, shortly after they were introduced in the US. I have also tested the blue second-generation eneloop cells from the Costco eneloop package back in 2010. But this is the first time I have seen second-gen eneloop in white wrappings being sold in the US. With so much talk about counterfeit eneloop going around, I was understandably cautious when I purchased those SANYO NEW 1500 eneloop 8 Pack AA Ni-MH Pre-Charged Rechargeable Batteries.

I tested four of those cells, using my old La Crosse BC-900 Battery Charger.
- Right out of the package, their average remaining charge is 1568mAh, or nearly 80% of the rated capacity of 2000mAh. The spread is also very small, from 1558 to 1577mAh. This proves that they are indeed low-self-discharge type. (Date code on my cells says "11-01", or Jan 2011)
- After one recharge/discharge cycle, their average capacity improved to 2115mAh
- After two more recharge/discharge cycles, their average capacity leveled off at 2133mAh, or more than 6% higher than the rated capacity.

The above results are very consistent with what I have previously observed, while testing second-gen eneloop cells in the Costco package.
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Size: 4 Pack AA Verified Purchase
I have been using Sanyo eneloop low-self-discharge NiMH batteries since beginning of 2007, and I'm completely satisfied with them. One thing I noticed is that newcomers to the rechargeable battery arena often have similar questions/confusions about eneloop. So here is my list of eneloop Frequently Asked Questions. This list is work in progress.

[Q1] My Sanyo eneloop AA batteries say '1900mAh' on them. Are they counterfeits?
[A] All eneloop AA cells (both original and second-gen versions) are rated for "Typ 2000mAh, Min 1900mAh" according to Sanyo. The confusing part is that 2nd-gen eneloop AA cell only has "Min 1900mAh" printed on it, even though the actual measured capacity is close to 2100mAh.
Simialrily, eneloop AAA cells are rated for "Typ 800mAh, Min 750mAh".

[Q2] Date code on my new eneloop cells says '10 01' (Jan 2010). Should I exchange them for newer batteries?
[A] Relax! Unlike ordinary NiMH cells, Sanyo eneloop are still perfectly good even after 5 years in storage. Once you recharge them, they will return to 100% capacity again.

[Q3] What is the difference between 'Pre-Charged', 'Hybrid', 'Stay-Charged', 'Active Charged', 'Ready to Use' and 'Ready to Go'?
[A] Those are all marketing terms for Low-Self-Discharge (LSD) NiMH batteries. Sanyo first used the term 'Pre-Charged' for Sanyo eneloop back in 2006. Rayovac used 'Hybrid', and so on.

[Q4] I just received some new eneloop batteries. Do I need to recharge them before use?
[A] You can use them right out of the package. However, eneloop cells are only charge up to ~75% when they left factory. So you can use a Smart charger to 'top-off' their charges. Do NOT do this with a Dumb charger because it will badly over-charge them.
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Size: 4 Pack AAA Verified Purchase
This package (Sanyo SEC-HR4U4BPN) contains four second-generation eneloop AAA rechargeable batteries. I have tested those cells using my old La Crosse BC-900 Advanced Battery Charger. Here are my findings:
- Right out of the package, the average remaining charge is 640mAh, or 80% of the rated capacity (800mAh)
- After the first recharge cycle, the average capacity increased to 839mAh.
- After two more recharge/discharge cycles, the average capacity leveled off at 843mAh, or 5% higher than rated capacity.

The above is very consistent with the results I obtained last year, while testing 2nd-gen eneloop AAA cells from the Costco package. Therefore I have no doubt that those batteries are genuine. Date code embossed on them says "10-12", which means Dec 2010 (see my upload in the "Customer Images" section, if you need to know where to find the date code).

According to Sanyo press releases, those 2nd-generation eneloop cells offer several benefits over the original eneloop:
- Can be recharged "up to 1500 cycles" (vs. "1000 cycles" for the original)
- Can hold "75% charge after 3 years" (vs. "80% after 2 years")
- Works down to -20 degree C (vs.
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