8 pcs of Tenergy D Size 10,000mAh High Capacity High Rate NiMH Rechargeable Batteries Review

Average Reviews:

(More customer reviews)I was in market for a nice D sized rechargeable and got so disappointed by those in target/walmart that marks 2500mAh, looks like all that energizer/duracell did was put a bigger shell outside a AA battery and sell for much more money. I got 4 of these Tenergy cells from a friend, and they are simply AMAZING!

Not only the capacity is so huge, but also I heard they are the new generation low-self-discharge, and after a few months use, I can testify that all these are TRUE!

One bad thing for me is that I do not have a good charger, my old D cell capable charger can only do 500mA, so it took a whole day and night for me to charge them, but I have never had to do the recharge often at all, it lasts so long that I feel like it is battery than those disposable duracells, although I have not done any precise measurement.

I believe my last set of duracell disposable lasted about a month or so in the baby swing set, and the tenergy lasts for well over a month in my impression, coz I only had to charge them twice so far within 4 months.

I know my AA NiMHs will dry out in 2 months even if I do not touch them, so the low self discharge seems really helped.

Combining all the facts - 10Ah huge capacity, low discharge, and rechargeable! I am sure these batteries are the best D cells I've ever used!

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Product Description:
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 timeTechnical 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

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Tenergy T-1199B Universal Ni-MH & Ni-Cd Battery Charger With Timer Control Review

Average Reviews:

(More customer reviews)This is one of those things where if you want something cheap that works well, and don't mind the size or old technology, it is OK.

To qualify that, it is 9" long, 3" thick, and 4" wide. That is a MONSTER for the features this thing has.

It should also be noted that this charger works on a timer circuit. With the switch set to "NiCd" it charges for 5 hours, and with it set to NiMH it charges for 8 hours. The charging is at a set rate, so that means in a given time, it can only put out so many mAh. (it varies by cell size, using different contacts at the center point of different sizes of cells)

Here's a quick example: If you have a AA rechargeable, and you set this charger to "NiMM" it will charge at 250 mA for 8 hours. That is a total charge of 2000 mAh. The problem is that modern AA rechargeables are rated 2400-2650 mAh. So this charger will not give a full charge. A 2650 mAh AA will only end up 76% charged, if it is fully discharged. You can start another charge cycle, but if you don't remember to pull the batteries out part-way into it, you will be overcharging them.

As a simple charger, it works. But battery technology marches on. Capacities get higher. My recommendation is to invest in a peak detecting charger.

I use a Multiplex LN5014, with a battery holder from Radio Shack. Of course that is a $75 charger, and requires a separate power supply. But I'm sure there are other options available in an inexpensive charger.

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Product Description:
Features and BenefitsCharges all size batteries110V input * Recharges 1 to 4 pieces of AAA, AA, C and D Ni-MH/Ni-Cd batteries * Standard charge for 1 or 2pcs 9V cells * With battery type selector for Ni-Cd or Ni-MH AAA, AA, C and D batteries * Recharges batteries in single or group * Automatic charging current selection for different sizes of batteries * Built-in IC timer control * LED lamp to indicate proper charging * Fast charging in the specified period with automatic switch to trickle chargeCharging Time Batteries Charging Time Ni-Cd D/C/AA/AAA 4 hours by timer control Ni-MH D/C/AA/AAA 8 hours by timer control Ni-Cd/NiMH 9V 10 hours by manual

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