DealExtreme: $2.77 17340 / CR123A Rechargeable Lithium LiFePO4 Battery (350mAh)

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17340 / CR123A Rechargeable Lithium LiFePO4 Battery (350mAh)

Price: $2.77

SKU	5107
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Overview

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In Stock: ships in 2 to 4 days (5 to 8 during new year season)

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- Rechargeable LiFePO4 17340/CR123A 3.0V 350mAh Battery
- Life cycle: 2000 times (Traditional Li-ion: 500 times)
- Never explode or catch fire
- 100% Compatible with Disposable 17340/CR123A Batteries
- Working Voltage:3.2V and Peak Voltage: 3.6V
- Charging cut-off voltage: 3.6V
- Discharge cut-off voltage: 2.2V
- Please never overdischarge battery below 2.2V/cell
- You can safely charge these using the Ultrafire WF-138 Chargers set to the 3.0V mode

- Do not charge these with any lithium chargers for regular 3.6V batteries as they can have up to 4.2V charging voltage!
- Capacity: 350 mAh

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Quantity	3+ units	5+ units	10+ units
Rate	$2.32 shipped	$2.22 shipped	$2.12 shipped

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Reviews

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Displaying reviews posted by certified DX gadget owners first, followed by all other posted reviews.
LiFePO4 Battery (350mAh)

Posted by GrAnd on 3/26/2009
Involvement: Expert (understands the inner workings) - Ownership: more than 1 month

Price:
Ease of Use:
Build Quality:
Usefulness:
Overall Rating:

Pros: Cheap!
 
Cons: No cons at all. Just the capacity, but it's the problem of LiFePO4 technology.
 
Other Thoughts: This type of battery is needed when you have a device (flashlight, for example) which accept omly primaries. As RCR123 batteries have higher voltage they can damage a device. The LiFePO4 batteries have the similar voltage as primaries and therefore wont damage a device.
Test results:
Discharge Rate: 0.50 A
Starting Voltage: 3.26 V
Ending Voltage: 2.60 V
Total Time (hh:mm:ss): 0:37:13
Tested Capacity: 0.31 Ah
Graphic - http://talks.guns.ru/forums/icons/forum_pictures/001515/1515170.png
 
Bottomline: The actual capacity is a bit less than claimed. But all LiFePO4 batteries has not too much power in comparison with Li-Ion batteries. Even AW brand has actual 350mAh (with 500mAh claimed). So, DX's one is more fair.
It MUST be charged with a special charger, like sku 1236.
 
					

Specifications

Dimensions: 1.34 in x 0.67 in x 0.67 in
Weight: 0.6 oz