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Fenix ARB-L16-700U Built-in USB Rechargeable Battery

(54 customer reviews)

$9.00 $6.50

SKU: ARB-L16-700U Categories: , , ,

ARB-L16-700U It also includes a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. This battery can quickly be charged without the need for a separate charger. This not only save you money from purchasing a charger, but also convenience of not having to carry around another device.

It is designed to work with: PD25, PD32, PD35, PD35 TAC, RC09, TK15C, TK15UE, TK16, TK32, TK35, TK35UE and E15.

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Description

  • ARB-L16-700 Built in USB Rechargeable Battery
  • 700mAh
  • 3.6 Volts
  • Charging current by charger: 1A
  • Charging current by USB port: 0.3A
  • Protection Circuit in the Anode to prevent short circuit
  • Multiple layers of protection
  • 500 charge cycles can be expected from a properly maintained battery
  • Fully covered with a steel shell for impact resistance
  • Over charge, discharge, short circuit, and over heating protection
  • Three sets of over-head protection:  Pressure relief valve protection, separate microporous protection, and PTC cathodal block protection
  • Weight: 0.6 ounces (17.4g)
  • Size: Length: 1.4″ (35.5mm) Diameter: 0.7″ (18.6mm)
  • 12 months free warranty from date of purchase

54 reviews for Fenix ARB-L16-700U Built-in USB Rechargeable Battery

  1. Anonymous (verified owner)

    These save you a lot of money on 123 batteries if you use your light a lot.

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  2. Anonymous (verified owner)

    Surprisingly lightweight, holds charge well and takes charge pretty darn quick

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  3. Florian F. (verified owner)

    High quality and a very great solution. You don’t need a charger, just a normal USB cable to charge this batteries.

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  4. Don (verified owner)

    Well worth the money as non-rechargeable lithium batteries are $5-6 each unless bought in bulk. I bought 4 and they should save quite a bit of $ over the long run

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  5. Anonymous (verified owner)

    So far so good. Hopefully they last as long as advertised

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  6. kevin chambers (verified owner)

    I purchased 6 of these batteries, but only 5 of them had the LED indicator working. Called customer service and they were very helpful on how to return the defective one and fill out the warranty sheet. my only problem was that shipping was $3.75 for a battery that cost me $6.50.

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  7. Anonymous (verified owner)

    Love the built-in port with charge control. With a lightweight solar panel, I can have a backcountry power source.

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  8. Matt Bierbaum (verified owner)

    Dam good

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  9. Abe (verified owner)

    Bought this to avoid changing expensive CR123 batteries all the time and it really does the job. Works great and cheap to boot.

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  10. Ronnie (verified owner)

    Great battery and shipping is fast

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  11. Rick s. (verified owner)

    Great product going to buy more

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  12. KEVIN L. (verified owner)

    Great little battery – cycles quickly when charging and the colored light in it is an added bonus.

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  13. Nick (verified owner)

    Great price and fast delivery

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  14. Anonymous (verified owner)

    Handy batteries

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  15. James K. (verified owner)

    Excellent, hold their charge and no issues noted

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  16. Steven (verified owner)

    As usual, works as described

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  17. Bobbie Cochran (verified owner)

    Great little light

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  18. Angela Swart (verified owner)

    Will get more.

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  19. Karl (verified owner)

    Very handy to charge. Longevity is yet to be determined.

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  20. Adam (verified owner)

    They are great. Have cycled a half dozen times, no issues.

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  21. Anonymous (verified owner)

    Very good

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  22. Rex W. (verified owner)

    These batteries seem to last forever between charges. The comparable flashlights achieve a much higher light output with these installed

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  23. George Alexion (verified owner)

    Great lite for night running

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  24. Gerald R. (verified owner)

    I had no issues with this battery. It is a quality item one would expect from Fenix.

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  25. Michael B. (verified owner)

    Works fine. A good choice for this device.

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  26. Robert (verified owner)

    Great product. Works well !

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  27. brad burk (verified owner)

    very nice battery – easy to charge and does a great job

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  28. Justin C. (verified owner)

    good battery, seems to do the job

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  29. Larry M. (verified owner)

    Can’t go wrong with these batteries. The USB charging is so convenient.

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  30. Chuck H. (verified owner)

    They are great! We have been running them in some small lights from TRS. We haven’t had to recharge them since the initial charge.

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  31. Bill (verified owner)

    Ideal packaging

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  32. Paul B. (verified owner)

    Works great

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  33. Anonymous (verified owner)

    Happy with the battery

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  34. Matt S. (verified owner)

    Best battery to date for me.

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  35. Dustin (verified owner)

    Easy to charge works good so far.

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  36. Jack (verified owner)

    Works as described

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  37. Devlin (verified owner)

    Very good idea to put a micro usb connection on the battery for charging. Easy as can be. I’ve had very good luck with Fenix batteries and this one seems to be living up to my expectations. I charge it once a week and it lasts the whole time between charges.

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  38. John V. (verified owner)

    Perfect

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  39. Christopher (verified owner)

    Great design, everyone has a micro usb cable ready to. No need for another charger to get misplaced!

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  40. Patrick Foster (verified owner)

    Good battery.

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  41. Chris B. (verified owner)

    I really like these batteries. Easy to maintain since they do not require a special charger.

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  42. Hammond G. (verified owner)

    Well worth the cost

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  43. Michael (verified owner)

    easy to recharge

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  44. Anonymous (verified owner)

    Convenient

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  45. Kevin (verified owner)

    Awesome batteries. Bought 3 of them. Highly recommended. I can also charge these babies with my USB without tying up my HM50R Headlamp, (which is also an AWESOME headlamp. Very bright! Also very highly recommended.)

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  46. William Biddle (verified owner)

    Terrific idea!

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  47. John Adams

    I like this battery since I don’t have to bring a charger. Unlike some people in these reviews, I fully understand that, in order to have a charging port and circuitry INSIDE THE BATTERY ITSELF, I give up some capacity. I find 20% to be acceptable. If you don’t, then don’t get this battery. Get the non-U model that requires an external charger.

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  48. Charles (verified owner)

    Excellent product and great service.

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  49. James M. (verified owner)

    So far, so great!

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  50. Kara (verified owner)

    Great little batteries. The USB charge capabilities is growing on me.

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  51. Thomas (verified owner)

    Awesome!

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  52. Anonymous (verified owner)

    Excellent

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  53. Anonymous (verified owner)

    So far the battery seems do it suppose to.

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  54. Mike

    I bought 6 of this batteries recently and conducted some experiments. It’s indeed really convenient to have the charging circuit integrated into the battery itself, making a travel simpler since you no longer need to bring a separate charger with you. However, this product seems to have LOWER capacity in comparison with its predecessor “ARB-L16-700” (without the built-in charging circuit).

    First, I measured 3 of the predecessor battery ARB-L16-700 (0.5A charging, 20mA cut-off, then 1A discharge to 2.75V):

    716mAh 2.368Wh
    723mAh 2.408Wh
    729mAh 2.491Wh

    The capacity of the predecessor battery is as rated, this is good. You may find similar results in HKJ’s review here: http://lygte-info.dk/review/batteries2012/Fenix%2016340%20700mAh%20ARB-L16%20(Orange-Black)%20UK.html

    Then I measured all my 6 samples of this ARB-L16-700U battery, charged with the built-in charging circuit:

    600mAh 2.046Wh
    584mAh 2.013Wh
    564mAh 1.921Wh
    519mAh 1.741Wh
    564mAh 1.882Wh
    585mAh 1.914Wh

    Then I measured them again with the same changing conditions as ARB-L16-700:

    610mAh 2.101Wh
    602mAh 2.087Wh
    593mAh 2.034Wh
    586mAh 2.000Wh
    584mAh 2.013Wh
    596mAh 2.049Wh

    I gained a bit more capacities this time, but the result is still far from my expectation. Also, it looks like the charging circuit of my 4th sample is not good.

    Obviously ARB-L16-700U has a different cell core with ARB-L16-700, and this new cell core has about 20% lower capacity. This is UNACCEPTABLE.

    8 out of 9 people found this helpful. Was this review helpful to you?
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