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Fenix ARB-L16-700U rechargeable battery
Fenix ARB-L16-700U rechargeable battery charging USB port
Fenix ARB-L16-700U rechargeable battery short circuit protection
Fenix ARB-L16-700U rechargeable battery multiple protection
Fenix ARB-L16-700U rechargeable battery pressure vents
Fenix ARB-L16-700U rechargeable battery 500 cycles
Fenix ARB-L16-700U rechargeable battery specifications

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

Rated 4.86 out of 5 based on 50 customer ratings
(50 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

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

5 star
94%
4 star
2%
3 star
2%
2 star
0%
1 star
2%
Powered by Customer Reviews Plugin
  1. Rated 5 out of 5

    Anonymous (verified owner) –

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

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  2. Rated 4 out of 5

    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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  3. Rated 5 out of 5

    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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  4. Rated 5 out of 5

    Matt Bierbaum (verified owner) –

    Dam good

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  5. Rated 5 out of 5

    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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  6. Rated 5 out of 5

    Ronnie (verified owner) –

    Great battery and shipping is fast

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  7. Rated 5 out of 5

    Rick s. (verified owner) –

    Great product going to buy more

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  8. Rated 5 out of 5

    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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  9. Rated 5 out of 5

    Nick (verified owner) –

    Great price and fast delivery

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  10. Rated 5 out of 5

    Anonymous (verified owner) –

    Handy batteries

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  11. Rated 5 out of 5

    James K. (verified owner) –

    Excellent, hold their charge and no issues noted

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  12. Rated 5 out of 5

    Steven (verified owner) –

    As usual, works as described

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  13. Rated 5 out of 5

    Bobbie Cochran (verified owner) –

    Great little light

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  14. Rated 5 out of 5

    Angela Swart (verified owner) –

    Will get more.

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  15. Rated 5 out of 5

    Karl (verified owner) –

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

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  16. Rated 5 out of 5

    Adam (verified owner) –

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

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  17. Rated 5 out of 5

    Anonymous (verified owner) –

    Very good

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  18. Rated 5 out of 5

    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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  19. Rated 5 out of 5

    George Alexion (verified owner) –

    Great lite for night running

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  20. Rated 5 out of 5

    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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  21. Rated 5 out of 5

    Michael B. (verified owner) –

    Works fine. A good choice for this device.

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  22. Rated 5 out of 5

    Robert (verified owner) –

    Great product. Works well !

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  23. Rated 5 out of 5

    brad burk (verified owner) –

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

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  24. Rated 5 out of 5

    Justin C. (verified owner) –

    good battery, seems to do the job

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  25. Rated 5 out of 5

    Larry M. (verified owner) –

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

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  26. Rated 5 out of 5

    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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  27. Rated 5 out of 5

    Bill (verified owner) –

    Ideal packaging

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  28. Rated 5 out of 5

    Paul B. (verified owner) –

    Works great

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  29. Rated 5 out of 5

    Anonymous (verified owner) –

    Happy with the battery

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  30. Rated 5 out of 5

    Matt S. (verified owner) –

    Best battery to date for me.

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  31. Rated 5 out of 5

    Dustin (verified owner) –

    Easy to charge works good so far.

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  32. Rated 5 out of 5

    Jack (verified owner) –

    Works as described

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  33. Rated 5 out of 5

    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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  34. Rated 5 out of 5

    John V. (verified owner) –

    Perfect

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  35. Rated 5 out of 5

    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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  36. Rated 5 out of 5

    Patrick Foster (verified owner) –

    Good battery.

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  37. Rated 5 out of 5

    Chris B. (verified owner) –

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

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  38. Rated 5 out of 5

    Hammond G. (verified owner) –

    Well worth the cost

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  39. Rated 5 out of 5

    Michael (verified owner) –

    easy to recharge

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  40. Rated 5 out of 5

    Anonymous (verified owner) –

    Convenient

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  41. Rated 5 out of 5

    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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  42. Rated 5 out of 5

    William Biddle (verified owner) –

    Terrific idea!

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  43. Rated 5 out of 5

    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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  44. Rated 5 out of 5

    Charles (verified owner) –

    Excellent product and great service.

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  45. Rated 5 out of 5

    James M. (verified owner) –

    So far, so great!

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  46. Rated 5 out of 5

    Kara (verified owner) –

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

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  47. Rated 5 out of 5

    Thomas (verified owner) –

    Awesome!

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  48. Rated 5 out of 5

    Anonymous (verified owner) –

    Excellent

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  49. Rated 3 out of 5

    Anonymous (verified owner) –

    So far the battery seems do it suppose to.

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  50. Rated 1 out of 5

    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.

    7 out of 7 people found this helpful. Was this review helpful to you?
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