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Very long life time and can be recharged up to 1000 times.
Can provide over $1000 savings over the life time of this rechargeable batteries by eliminating the need to buy hundreds of;D-size Alkaline; batteries which cost $2.50 a piece.
Exact replacement for standard D size batteries and NiCd rechargeable batteries
Convenient operation due to that advantage that Ni-MH batteries have no memory effect.
Compatible with all chargers that support NiMH rechargeable batteries
Fulfillment by Amazon (FBA) is a service we offer sellers that lets them store their products in Amazon's fulfillment centers, and we directly pack, ship, and provide customer service for these products. Something we hope you'll especially enjoy: FBA items qualify for FREE Shipping and .
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Product Description
NEW Product! Tenergy Premium NiMH Battery * More Cycle Life than base brand * No Memory Effects - NIMH cells does not require draining before a charge * Robust Performance - more consistent performance under load * Higher Current Capabilities - ideal for high drain applications * Longer & More Consistent Runtime * Compatible with all chargers that support NiMH rechargeable batteries Features and Benefits * High quality D size 10,000 mAh high capacity nickel hydride metal (Ni-MH) rechargeable batteries * Ultra long running time with this 10,000 mAh high capacity * Very long life time and can be recharged up to 1000 times. * Can provide over $1000 savings over the life time of this rechargeable batteries by eliminating the need to buy hundreds of;D-size Alkaline; batteries which cost $2.50 a piece. * Exact replacement for standard D size batteries and NiCd rechargeable batteries * Convenient operation due to that advantage that Ni-MH batteries have no memory effect. * Can be charged anytime * Can be rapidly charged with smart chargers and universal chargers * Battery tested based on International Electronic Commission (IEC) standard to ensure capacity, quality and life time Technical Specifications * Dimension: Height 60 mm, Diameter 33 mm * Weight:;0.36lbs per cell; * Capacity: 10,000 mAh * Voltage: 1.2V * Standard Charge: 15 hours @ 800 mA * Rapid Charge: 3 hours @ 4000 mA
[Capacity:] Tenergy seems to have world wide the highest rated capacities for rechargeable NI-MH batteries. Looks like Tenergy has almost maxed out of whats technically possible. No other maker has these capacity range, hats off !!
Even the best Japanese makers have max roughly only 60% capacity (5700 mah), again respect for this !! It's awesome how much capacity this rechargeable batteries have.
[Weight:] Lets face it, batteries are heavy. Capacity limits and weight are probably their worst obstacles. Fortunately the extended capacity plays as advantage as you might come by with one battery pack where you used two or more in the past. This comes in VERY handy when either every gram counts or stamina is everything.
[Charging:] We all know that increased capacity not only gives you better mileage but also requires fewer (but long) charging cycles. Generally speaking high capacity is a good thing but long charging times might be a turn off when you are in hurry.
In addition quick charging or charging to often (to early) might decrease life cycle of the battery (read: damage it). So it makes sense that you also invest in an "intelligent" charger, that checks the battery status, de-charges it controlled and recharges it gently. This way your investment is protected.
[Usage:] So far I have used those batteries and haven't realized any significant drop of capacity. Its to early to tell the long term quality of the product, however so far everything is indicating a good quality product. I will update this section in regular intervals to indicate any capacity changes.
Wow, it's expensive for just 8 batteries!!! It takes forever to charge! I don't know why I even give it 5 stars!? I'll tell you why...it last forever! Well, not forever...but very long. With one charge the batteries last quite awhile. My son's toys uses 4D cells a lot and with the regular brand batteries his toys usually give within a week or two. But when using these...they last over a month! So in the long run, I'm saving a lot of batteries/money. The only draw back is it takes quite a long time to charge or you can say 8-15 hours to fully charge (on a totally discharged battery). Which in a way is OK, not good, but OK, it's not good to rapidly charges your batteries anyway, it will drain the life of it. It will be less useful in the long run. And one other thing make sure you by a decent charger that doesn't over charge your batteries. I have the Ansmann 5207123 Energy 16 Charger which is also one expensive s ucker! But with the Ansmann I really don't have to worry about the batteries being overcharged or it's going to exploded in my face. The Ansmann is one of the safest, easiest, and most comfortable charger I have used. Especially for these highends battery! So protect your investment wisely! If you use batteries a lot...using the combination I have...in the long run you'll get your money back and safe some!
Great batteries!
But dang it....so dang expensive!! But did I say you'll save in the long run? :)
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20 of 20 people found the following review helpful
I own 8 of these great rechargable batteries. They work very well and keep the charge a long time used in a baby mobile. The issue is, that the baby mobile draws a very low current and the batteries get exhaustive discharged and appear dead to the charger. After refreshing, the dead battery seems to be fine. 4 stars because of the high price.
How to refresh a "dead" battery: I read on a discussion board, you place the "dead" and an equal sized battery in your charger. Take a paperclip and connect the plus(+)-poles of these two batteries. Wait 15 minutes and remove the paperclip. The "dead" battery keeps charging.
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29 of 31 people found the following review helpful
I have purchased the non premium 10,000mAh blue lable D size Tenergy batteries many years ago, and immediately after approximately 2 recharges, 4 of the 8 batteries would not accept a charge. These were ordered from the manufacturer, and they replaced the batteries. They lasted another 6 months, and several would not take a charge again, but they were out of warranty, and the manufacturer would not replace them.
I purchased the premium Tenergy 10,000mAh high capacity high rate D size batteries from Amazon back in April. I have recharged them about 4 times, and now 2 batteries will not take a charge, shown by the charger as being defective. I use an Ansmann 5207123 Energy 16 charger which cost about $100.00. I had to call Tenergy, only to be told that they only have a 3 month warranty, and it is only good if you purchase them from Tenergy. Amazon will only cover them for 30 days.
Now once again the device that uses 8 batteries can no longer use the rechargeable ones. The whole reason I purchased rechargeable batteries was to save money and the environment, but again was let down by Tenergy.
Beware these batteries. They will not last. I would very much doubt you can recharge them "1000 times", as advertised.
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42 of 49 people found the following review helpful
Batteries would no longer hold charge after 2 months of use. Manufacturer apparently offers a 3 month warranty, but only if purchased through them (not Amazon). Seller offers no help because order is fulfilled by Amazon... so basically unless they die within the 30 day return policy, you are out $60!
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