A total 21st century breakthrough in rechargeable battery technology - introducing the world's best & most environmental renewable batteries: Ultra Low Discharge Rechargeable Batteries ("ULDReBat for short - coined by us at Earthority.com") from Japan.
Firstly, let's do a revision & a synopsis of this new battery technology:
All these negative attributes have one root-cause: Self discharge. Self-discharge means that a charged battery slowly discharges itself without any equipment consuming any current. This is the reason for rechargeable batteries being sold in discharged state. And this is the reason for that keeping charged batteries for some time did not make any sense. When you needed then, the energy was gone. ULDReBat like eneloop is a combination of a disposable and a rechargeable battery; the next evolutionary step for batteries into the 21st century.
And what is it that makes this type of new rechargeable batteries so innovative & green?
NOTE: Sanyo's eneloop is the first, best, and most reputable ULDReBat out there, thus many of our graphics depict eneloop batteries when we refer to ULDreBat, we may or may not carry other brands of ULDreBat.
All rechargeable batteries are technically quite environmental by nature as they can be recharged & reused many times. But brand A can vary greatly from brand B. New ULDReBat can be recharged 1,000 times before it needs to be disposed & recycled. Plus, they come in pre-charged for ultimate convenience thus negating charge-before-use practice.
Once charged, ULDReBat retains its charged capacity of 90% & 85% even after 6 & 12 months respectively, thanks to its extremely low self-discharge rate. On the other hand, standard NiMH rechargeables lose 1% of their charged capacity on average each day after their initial charge - sometimes as much as 60~70% in the first 30 days depending on the temperature of the surrounding area. Standard rechargeables can become totally unchargeable after just a few months of no use, this is the reason why we all once gave up on rechargeables! But ULDReBat will not only maintain a charge longer than standard counterparts but are certain to take a charge even after several months of no use. Now, the question is: how could self-discharge in the ULDReBat been reduced?
- The chemical decomposition of the cathode has been reduced substantially by the use of a new superlattice alloy. As an additional benefit the superlattice alloy increases the electrical capacity of the battery and reduces the internal resistance, which allows higher discharge currents. Another advantage of the reduced decomposition of this alloy is the fact, that less Cobalt is needed to stabilize the alloy. The anode has been strengthened by another new material, which reduces the natural disaggregation. Additionally the separator and the used electrolyte have been optimised for low self discharge of the ULDReBat.
Key advantages of Ni-MH batteries are still inherent in eneloop; for example: superior performance in digital cameras (four times more shots than with alkalines) and the excellent stability even at low temperatures (down to -10°C), for example: while skiing. As a matter of fact, ULDReBat works better than alkaline & other rechargeables at freezing temperatures!
The state of charge & duration of usage can be predicted very well & that translates into better preparation & saves a lot of precious time while on the field. They retain charge while being stored inside or out of the device equally well. They can be pre-charged before the actual event & be kept charged healthily. No more typical rechargeable batteries' sudden death syndrome and no more charging stress on you.
ULDReBat can be charged with virtually all modern chargers designed for NiMH batteries. Expensive quick-chargers are no longer necessary even for professional photographers. Try not to use any quick chargers that charges in 2 hours or less. Another crucial point is that ULDReBat is not susceptible to the infamous & nasty 'memory effect' phenomenon. Please note that we will introduce you the best Smart Battery Charger / Analyzer on a separate page.
True Universal & All-Purpose:
Certain manufacturers emphasize that certain heavy-draining applications like cameras or audio mandate certain specialized batteries. Well, how about this: ULDReBat has enough power to run ALL fancy applications & does it better & cheaper than the 'specialists'.
Ultra-High Capacity but 'regular-discharge' better than ULDReBat?
The answer is no, at least not yet. But bear in mind that ULDReBat's low-discharge nature outshines ultra-high capacity any day. Who cares how big a bucket you carry if it has holes to leak out the contents in a short period of time? Higher is NOT necessarily better here, retainability (shelf-life) is the key. ULDReBat should have twice the useful lifespan than standard rechargeables on average. mAh ratings for eneloop's AA & AAA batteries are 2,000 mAh & 800 mAh respectively.
Adapters convert AA into C & D sizes for ultimate convenience & economy:
Just stock up on the 2 most common sizes: AA & AAA, then use adapters to convert the AA size instantly & functionally into C & D sizes! This also means you don't need a dedicated charger for C & D size batteries. Double saving.
With ULDReBat you can make substantially more shots w/ your digital camera than with any other disposable battery, therefore cheaper on the long run.
One ULDReBat saves the waste of 999 disposable batteries. It's also much cheaper to run even after you factor in its initial slightly higher cost + the charger + the electricity used by the charger, the investment returns easily after a few charging cycles. Let's say you discharge & charge an ULDReBat once per week, mathematically speaking, it will last you 19 years. * This is only a calculation & not a guarantee for the actual lifespan of the battery.
The amount of sold batteries in the European Union in 2005 was approx. 180,000 tons. In Germany alone more than 1.3 billion batteries have been sold in 2005. More than 90% of this amount come from disposable batteries; i.e. batteries which can only be used once & have to be disposed after usage. This alone represents a gigantic waste of resources, if you consider that 162,000 tons of batteries plus packaging have been produced & transported only for a single use. Also the unavoidable burden for the environment by the manufacturing process & by the transport should be considered. You should return spent batteries to collection points rather than throwing them in the garbage. Only returned batteries can be collected & only collected batteries can be sorted & recycled. For US readers, please visit www.rbrc.org to find out rechargeable battery disposal and recycling locations in your area.
Why Sanyo eneloop?
When it comes to GPS, you think of Garmin & TomTom. When it comes to HDTV, you think of Sony, etc. But when it comes to battery technology including photovoltaic panels, you think of Sanyo. Sanyo invented ULDReBat technology, plain & simple. eneloop batteries are 100% made in Japan unlike those newcomers / wannabees. From a business standpoint, we should list all the other clones just to maximize gross sales, but Earthority.com is no normal company, we only want to offer the ultimate best products in each field, thus we chose to list only eneloop batteries for sale. With that being said, our research indicates that the eneloop-branded charger is actually not as advanced as our other chosen brands. This tells you that we are not blindly brand-loyal either. Click on the 'charger' icon at lower right corner to see our Smart Chargers.