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UltraFire UF AAA 10440 500mAh 3.6V Unprotected Lithium Ion (Li-ion) Button Top Battery - Bulk

UltraFire UF AAA 10440 500mAh 3.6V Unprotected Lithium Ion (Li-ion) Button Top Battery - Bulk
UltraFire UF AAA 10440 500mAh 3.6V Unprotected Lithium Ion (Li-ion) Button Top Battery - Bulk
UltraFire UF AAA 10440 500mAh 3.6V Unprotected Lithium Ion (Li-ion) Button Top Battery - Bulk
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UltraFire UF AAA 10440 500mAh 3.6V Unprotected Lithium Ion (Li-ion) Button Top Battery - Bulk
UltraFire UF AAA 10440 500mAh 3.6V Unprotected Lithium Ion (Li-ion) Button Top Battery - Bulk
UltraFire UF AAA 10440 500mAh 3.6V Unprotected Lithium Ion (Li-ion) Button Top Battery - Bulk
$3.39
Save 51%
| Reg. Price $6.95
Usually ships the next business day
Qty.Price
1 - 9$3.39 ea.
10 - 49$3.19 ea.
50 - 99$2.95 ea.
100+$2.89 ea.

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Battery Junction 30 Day Warranty
Every Order Ships Directly From The United States
Authorized Dealer For All Products Sold
Description

WARNING: THIS BATTERY IS NOT MEANT TO BE A DIRECT REPLACEMENT FOR AAA ALKALINE/NIMH BATTERIES IN CONSUMER DEVICES. THESE LITHIUM ION BATTERIES OPERATE AT MORE THAN TWICE THE VOLTAGE OF AN ALKALINE BATTERY AND 3 TIMES THE VOLTAGE OF A NIMH CELL AND MAY DAMAGE OR DESTROY YOUR DEVICE.



UltraFire Battery LC10440 3.6V

  • Capacity: 500mAh
  • Rechargeable for 600-800 times
  • Peak Voltage: 4.2V
  • Nominal/Working Voltage: 3.6V
  • Temperature: -40°C~60°C
  • Dimension: 10x44mm
  • Unprotected Button-Top Cell - use with appropriate cautions

lithium-ion safety warning
Specifications
Battery Size:10440
Battery Capacity (mAh):500
Battery Chemistry:Li-Ion
Battery Voltage:3.6
Battery Terminal Type:Button Top
Battery Shelf Life:3 Years
Packaging:Bulk
Brand:UltraFire
Warranty:Battery Junction 30-Day Warranty
Return Policy:Battery Junction Return Policy
Product Weight:0oz
Product Dimensions:1.732" (L) x 0.394" (Diameter)
MPN:UFAAA-500
Country of Origin:CN
Associated Battery Sizes:10440, AAA, Lithium Ion AAA
Reviews
4.1
9 Reviews
5
56% (5)
4
22% (2)
3
0% (0)
2
22% (2)
1
0% (0)
67% Recommend this product (6 of 9 responses)
By Jon B.
Park City, UT
March 21, 2018
Dud Ultrafire 10440 AAA
I purchased 4 PKCell 10440 AAA batteries from Durnergy at Amazon for my Streamlight 66318 Microstream flashlight and they all worked. I tried the PKCell batteries because I previously purchased 4 UltraFire 10440 batteries from Battery Junction and all 4 were duds; the supplier replaced the original 4 and 3 of the 4 were duds. Good customer service from Battery Junction but only one working UltraFire out of 8??? Allthough, the supplier refunded my money they would not acknowledge the dud batteries and said the problem was my flashlight. Not likely, I have been using the flashlight since 2016 with good higher voltage (3.7 volt) UltraFire 10440 batteries. Perhaps UltraFire's quality control is not what it once was. I will not risk buying UltraFire again. You Figure!!
ProsPretty good customer service
ConsWould hope they would protect customers by discontinuing poor products
By Rem
Nashville, TN
March 7, 2017
VERY LOW CAPACITY
I have a lot of experience with lithium batteries, and these are my first AAA style cells as I normally use plain brick cells. They came with the standard charge of 3.87v, a good sign, but I had to charge them super slowly at 0.1A to keep the voltage down and get more capacity in which was only 25mAh to reach 4.2v at 0.1A. After the charge it dropped to 4.05v. For testing I ran it down to a safe 3.000v 3 times using an 8ohm then 10ohm then 25ohm load until the voltage drop became very rapid signaling it is about empty. By the way these tend to hold their voltage around 3.6-3.45v average even without a load, kind of low. After the thoroughly, but not too deeply draining the 2 I bought, I charged them for about 80 minutes at 0.1A and put about 120mAh back in. I expected at least 250-350mah for a "500mah". I have to admit they work, but are not powerful. If I was looking to get cheap batteries I would have just aimed for cheap ones, I got mislead somewhere else that ultrafire was very good, now all I hear is how overrated and bad they are. I have them now and don't need high performance, so I'll keep them.
ProsThey work, and can last a reasonable amount of time in low power devices
ConsOnly 120mAh of useable capacity, weak voltage.
By Philip
Portland, Oregon
November 19, 2016
Great in my LED flashlight
I have a small, single AAA LED flashlight. This rechargeable battery offered much brighter light. I think it fully justified the risk that it could overload the flashlight. I like it.
By Kris
Surprise, AZ
May 16, 2016
The right product at the right price
After calling to get some advice on which 10400 cell to order, I chose this one, and it works perfectly in the chosen application (OLight i7R EOS).
ProsProper size for the device; protected cell; proper design (button top) for the given application
By Frank Riley
Atlanta, Georgia
February 17, 2016
Works in LUMAPOWER EDC LM2 flashlight
This battery works in the LUMAPOWER EDC LM2 flashlight. It is listed as 10440 but is a little bit shorter than the Trustfire 10440 batteries that I ordered at the same time which do not work in that flashlight. These may actually be 10400 type but whatever they are they work in the flashlight.
Q&A
3 Questions & 5 Answers
Jeanie Mulcahey
from Sylmar, California asked:
March 17, 2015
What is the charger that goes with these batteries?
1 Answer
Customer Service
on March 17, 2015

greg
from Canada asked:
September 9, 2014
Which charger is best with these batteries?
1 Answer
Customer Service
on September 10, 2014

Justin
from Oregon asked:
April 9, 2014
Is this available with solder tabs?
3 Answers
Unfortunately, at this time we do not offer any 10440 AAA rechargeable batteries with solder tabs.
Customer Service
on April 9, 2014
Unfortunately, at this time we do not offer any 10440 AAA rechargeable batteries with solder tabs.
Customer Service
on April 9, 2014
Unfortunately, at this time we do not offer any 10440 AAA rechargeable batteries with solder tabs.
Customer Service
on April 10, 2014

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