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  • eneloop AA 1800 cycle,  Ni-MH Pre-Charged Rechargeable Batteries, 12 Pack
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eneloop AA 1800 cycle, Ni-MH Pre-Charged Rechargeable Batteries, 12 Pack

by Eneloop

Price: $35.18 + $4.99 shipping
In Stock.
Ships from and sold by I Deals.
12 Pack AA
  • 2000mAh typ, 1900mAh min, Ni-MH pre-charged rechargeable battery
  • Recharge up to 1800 times
  • Maintain up to 70% of their charge after 5 years (when not it use)
  • Work in extreme temperatures down to -4°F
  • No memory effect - batteries can be recharged when fully, or partially drained

Frequently Bought Together

eneloop AA 1800 cycle,  Ni-MH Pre-Charged Rechargeable Batteries, 12 Pack + La Crosse Technology BC-700 Alpha Power Battery Charger
Price for both: $74.93

These items are shipped from and sold by different sellers.

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Technical Details

Size: 12 Pack AA
  • Brand Name: Eneloop
  • Model: SEC-HR3U12SB
  • Item Package Quantity: 1

Product Details

Size: 12 Pack AA
  • Product Dimensions: 4.2 x 3.4 x 1.6 inches
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00ECAP0BI
  • Item model number: SEC-HR3U12SB
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (6,459 customer reviews)
  • Amazon Best Sellers Rank: #23,141 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
  • Date first available at Amazon.com: August 1, 2013

Product Description

Size: 12 Pack AA

Envelop Ni-MH "Low Self Discharge" batteries utilize advanced rechargeable battery technology allowing them to be recharged up to 1800 times. They deliver excellent power performance. They come pre-charged and can be used immediately out of the package. These envelop cells also have increased storage life and better extreme temperature performance than the original envelops. Envelop 1800 recycle rechargeable batteries maintain up to 75% of their charge after 3 years of storage. Keep your tactical flashlights, walkie-talkie radios, battery powered lanterns and other devices powered in the winter. Envelop 1800 recycle and XX batteries deliver exceptional performance at extreme low temperatures, down to -4 degrees Fahrenheit. Envelope's "Clean Energy Loop" initiative has become a reality. All envelop 1800 recycle and XX batteries are charged at the factory in Japan using power generated from solar energy. The purchase and use of a single envelop battery cell can keep many hundreds of batteries from entering landfills! Save money and Save the Earth with the purchase of the premiere rechargeable battery, envelop 1800 cycle!!!

Customer Questions & Answers

Customer Reviews

4.6 out of 5 stars
5 star
5,070
4 star
752
3 star
228
2 star
157
1 star
252
See all 6,459 customer reviews
They hold their charge a long time, and they last longer than other rechargeables.
M. Ledyard
It is great that the batteries can keep a charge for so long--they are ready to go when I need them.
Marc
They save you a ton of money when compared to buying throw away batteries all the time.
Sally

Most Helpful Customer Reviews

2,965 of 3,018 people found the following review helpful By NLee the Engineer HALL OF FAMETOP 50 REVIEWER on April 20, 2011
Size Name: 8 Pack AA
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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786 of 816 people found the following review helpful By NLee the Engineer HALL OF FAMETOP 50 REVIEWER on May 8, 2012
Size Name: 4 pack AA
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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486 of 518 people found the following review helpful By NLee the Engineer HALL OF FAMETOP 50 REVIEWER on April 30, 2011
Size Name: 4 pack AAA
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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