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  • Kits: 4 Tenergy RCR123A 3.0V 900mAh Rechargeable Li-Ion Protected Batteries with a Smart Charger
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Kits: 4 Tenergy RCR123A 3.0V 900mAh Rechargeable Li-Ion Protected Batteries with a Smart Charger

by Tenergy
| 11 answered questions

Price: $27.99 + $6.35 shipping
In Stock.
Ships from and sold by Battery Superstore.
  • Worldwide usage. Auto AC power adjust from 100-240V
  • Safe, build-in IC provides various protection, Thermal protection, Overcharge protection, Short-circuit protection, mechanical. and electrical protection against reversal polarity, and auto defective battery identification.
  • Convenient, 12V car cigarette lighter plug for on the road charging
  • Tenergy RCR123A can be recharged up to 1000 times. 1 RCR123A Li-ion = 1000 CR123A Primary Cells
  • Replace the most of CR123A primary Lithium battery for a digital cameras and flashlight. Not compatible with SureFire Flashlight. Don't use these batteries with any SureFire Flashlights.

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Frequently Bought Together

Kits: 4 Tenergy RCR123A 3.0V 900mAh Rechargeable Li-Ion Protected Batteries with a Smart Charger + 4 pcs Tenergy RCR123A 3.0V 900mAh Rechargeable Li-Ion Batteries
Price for both: $45.29

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Product Details

  • Item Weight: 0.6 ounces
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • ASIN: 9575871979
  • Item model number: 39004
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (132 customer reviews)
  • Date first available at Amazon.com: April 28, 2007

Product Description

Charger Features * Worldwide usage. Auto AC power adjust from 100-240V. * Smart, build-in microprocessor automatically switch off when batteries are fully charged. * Safe, build-in IC provides various protection, Thermal protection, Overcharge protection, Short-circuit protection, mechanical. and electrical protection against reversal polarity, and auto defective battery identification. * Convenient, 12V car cigarette lighter plug for on the road charging. * Compact (2.5 x 4 x 1 inch), Light weight (5 oz only), include charger and all accessories. * Charge 1 to 2 RCR123A from 1.5 hours to 3 hours. Peak voltage of 3.0V Li-Ion will be 3.60V after fully charged. RCR123A Features * Rechargeable CR123A Li-Ion Batteries with 3.0V working voltage and 900mAh capacity. * Fully protected against over-charge, over-discharge, over-current and short-circuit. * Tenergy RCR123A can be recharged up to 1000 times. 1 RCR123A Li-ion = 1000 CR123A Primary Cells * Replace the most of CR123A primary Lithium battery for a digital cameras and flashlight. Warning: this battery is not compatible with SureFire Flashlights! * Modified Voltage to achieve 3.2v at full voltage; once loaded, cell voltage drops to 3.0v. * Internal over-charge and over-discharge protection to prevent battery over use. The current will be shut off when the battery voltage drops below 2.5V. * Internal Voltage Regulators. * Dimension: 16 D x 34 H mm. (The height 34mm includes the button top). * Weight: 17 g or 0.6 Oz. #NOT COMPATIBLE WITH SUREFIRE FLASHLIGHT. DON'T USE THESE BATTERIES WITH ANY SURE FIRE FLASHLIGHTS.#

Customer Reviews

These batteries hold a long charge and recharge well.
Jeff Whitman
These batteries are awesome for the day to day use of my Lumalight tactical lights I have a 500 lumen and a 700 lumen these batteries power them both.
JD
I contacted them about replacements and they wanted me to jump through so many hoops I just figured it was not worth the effort.
Chris Johnson

Most Helpful Customer Reviews

71 of 74 people found the following review helpful By Michael O. on December 19, 2008
Verified Purchase
I've had this kit for a few months now and have recharged a pair of the batteries 3 times, and a third battery once. So far everything works as expected. I use them in a Fenix P3D Premium 100 (Luxeon Rebel LED, 11 - 200 lumens), and a Fenix P1 CE (Cree 7090 XR-E LED - 90 lumens). For me the performance is very acceptable considering how inexpensive the kit was. I get maybe an hour to 1-1/2 hours total runtime depending which brightness levels I'm using. I don't use the lights for more than 10 or 15 minutes at a time anyway so that's plenty of uses between charges for me.

A nice plus is you get the car charger adapter included, too. Most kits require you to buy that separately at additional cost. Probably the only thing I would have liked with the kit is some kind of pouch to keep it all together. I made a carrying case out of an old zippered memory card/battery case I had hanging around. It just happens to all fit perfectly but it took an awful lot of finagling to make that happen!

UPDATE 11-14-09

I just wanted to update this review to say I am still using these cells and they are still working great. I think the runtime has improved after a few charge/recharge cycles (which is what is supposed to happen), so these are lasting even longer in my lights now. I only recharge them maybe every 4 months with occasional use of my lights. Still highly recommended.

UPDATE 11-17-2010

I guess it's time for my now yearly update on these batteries. They are still all going strong! I still only recharge them about every 4 months but that's because they have a very good charge retention and capacity.

Another big surprise involving these batteries occurred over the summer (2010). I keep my Fenix P1 CE light on my keychain.
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102 of 109 people found the following review helpful By Magnus Hagglund on October 21, 2008
These batteries appear to be great at first. They work just according to instruction, rechargeble batteries that you can be used over and over. It will save you a lot of money. So far all good.

The problem was I never got close to the runtime that I was suppose to when I used them for my FenixP3D CE Premium Q5. Estimated runtime according to the manual is 4h50min for the 120-lumens mode. With the Tenergy (900mAh) batteries I get about 1h 45 min, which is actually the best of all the 3.0V rechargeble batteries I have tested. Tenergy 750mAh gives 1h30 min, while a non rechargeble battery provide more than 5 hours of lighting!

If you are buying for a flashlight and it has a regulated voltage circuit, like my Fenix, you can buy 3.7 volt 1300mAh rechargeble batteries on for example ebay and get much longer runtime. The ones I have tested gave me 2h 30 min runtime, which is half the strength of a non-rechargeble battery, which I think is accepteble.
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50 of 55 people found the following review helpful By Freddy the Frog on September 7, 2009
Verified Purchase
I made the mistake of abandoning my normal principal of "you get what you pay for"

I was excited to find these so inexpensively and had planned to use them in my SU-800 master controller for photography. The "quality" batteries for this unit average around $16.00 each, so the idea of getting four batteries with a charger cheaper than the cost of two normal batteries was just appealing to my "green sense".

Now I'm back to the single use batteries, as these rechargeable's let me down time and again... when freshly charged, they often showed voltage ratings well above 4v and this isn't workable in my units. So, I let them run down a tad and they are usable for a blink, then run down quickly under normal use.

Also, if they are not equally discharged and charged in twos, the charger will show both charged, while they are not equal upon removal... one battery showing a voltage rating of 2.2 and the other 4.0 fresh from the charger.

I consider this to be a real problem and potentially damaging sensitive equipment if using a battery that actually has a overcharged condition. Batteries rated at 3 volts shouldn't show over 4 while in service.... and again, drain quickly.

I should get 1000 cycles from my SU-800 by Nikon with a fresh battery... with these, it's more like 150-ish
Very disappointed.

I can't provide a review of how these batteries perform in other equipment, but if you need something that performs as "rated" with meaningful performance life, based on my experience with this group... please continue shopping for something better.

Smart Charger- charges unpredictably
3.
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15 of 17 people found the following review helpful By Jman on February 7, 2012
Verified Purchase
The battery pack exploded and shot flames out 2 feet! If I wasn't in the office at that moment the whole place would have lit on fire!
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15 of 18 people found the following review helpful By R.S. on April 1, 2010
After just two cycles of the batteries, they stopped working in my tactical flashlight. I measured the voltage and found them to be almost 4.2 volts fully charged (when it is supposed to be 3.0!!!). I don't know if this can damage a voltage regulated light, but I'm not willing to take the chance (they don't work in two separate types of flashlights I have anyway because they immediately shut off when turned on with these batteries now). I'm returning these and buying some surefire non-rechargeable batteries. What good is a tactical flashlight if at the exact moment you need it to work, the batteries fail? And if you aren't using it for tactical purposes, then why get a light with CR123A batteries in the first place?

Even when this charger WAS working (only on the first cycle), it got way too hot for comfort while charging and took way longer than it says. Also, the light turns halfway to green but stays halfway red, and doesn't charge both batteries evenly.
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