UltraFire BRC 18650 3.7V 2500mAh Rechargeable Lithium Batteries - Yellow (2-Battery Pack)

SKU: 51988 (Added on -)
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13.94
List Price: US$14.63
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UltraFire BRC 18650 3.7V 2500mAh Rechargeable Lithium Batteries - Yellow (2-Battery Pack)
The UltraFire BRC 18650 rechargeable Lithium battery is equipped with a protection circuit board (PCB) on the negative pole. The PCB can protect the battery from overcharge, over-discharging, overload and short circuit, which can make the battery safer and longer lifespan. The battery is environment friendly and perfect for super bright flash and other devices.

- Lithium Ion 18650 cylindrical rechargeable batteries
- Lighting or other device needing 3.7V power
- With integrated PCB Protection
Dimensions: 2.68 in x 0.71 in x 0.71 in (6.8 cm x 1.8 cm x 1.8 cm)
Weight: 3.49 oz (99 g)

All packages from DX.com are sent without DX logo or any information indicating DX.com. Due to package variations from suppliers, the product packaging customers receive may be different from the images displayed.

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Quantity 3+ units 5+ units 10+ units
Rate USD$ 12.36 shipped USD$ 12.32 shipped USD$ 12.28 shipped

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Average Customer Review (5 customer reviews) 4

80% of customers would recommend this product to a friend (4 out of 5)

  • 5 star: 3 (0%)
  • 4 star: 1 (0%)
  • 3 star: 0 (0%)
  • 2 star: 1 (0%)
  • 1 star: 0 (0%)

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  • Good batteries

    posted by electrofiil on 04:48:19 G12T 06/12/2012 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: These batteries are good. I don't have no idea how much is actual capacity and I don't care too. It's last long time and quality seems good. Also these are protected, which is very good! I use them on my XML-T6 flashlight and light power are great!

    Cons: Maybe price should be little bit cheaper. But if 3600mAh is actual capacity, then price is OK.

    Other: Very saticfied.

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  • UltraFire BRC 18650 3.7V 3600mAh

    posted by EvgeniyFadey on 09:01:23 G7T 23/07/2012 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Good batteries. Declared 3600 ma of course not, but it holds a charge very well when compared with red Ultrafire. Overdischarge protection performs its task. Turns off the load time. It's been a lot of charge / discharge cycles, but it seems that the batteries of their original capacity is not lost. Compared them with the new, just purchased batteries. Well keep the charge in cold weather with temperatures below zero. Under these conditions, red Ultrafire is discharged.

    Cons: There are no declared 3600 ma, but it is noticeable that the capacity is higher than that of red Ultrafire.

    Other: Decent battery for your money. Well suited for power supply flashlights.

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  • Good batteries for Ultrafire devices

    posted by marcelloangelo on 13:38:34 G9T 27/09/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Does what it says, Good price for rechargeables like these.
    It fits Ultrafire (uv/led)flashlights and the SDLasers (which are not for sale anymore here)
    Well built and not easy to fall apart.
    I just charged them for the second time and have them for quite some time now and use them a lot.

    Cons: They are a little bit bigger than the not-protected ones. but that is not really a con.

    Other: The batteries arrived earlier than the rest of the order, so they where just laying there for 1,5 month. But it was worth waiting!

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  • Not stated capacity.

    posted by bleep42 on 02:07:08 G7T 19/07/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: I have bought several 18650 batteries from Deal Extreme in the past and was looking for a slightly higher capacity, realising that the capacity is often over stated. These batteries work fine, but are nowhere near the stated capacity.

    Cons: I did a direct comparison with SKU.26247, using the same load from a fresh full charge. The 26247 lasted about 5hrs 40mins. which gave them a capacity quite close to the stated 2600mAh. These batteries only lasted 4hrs 20mins giving them a capacity of only just over 2000mAh.

    Other: Very disappointed, was hoping for a bit more capacity than I get from my SKU.26247 as these ones are rated at 3600mAh but in fact they have a worse capacity than SKU.26247 and are more expensive. :-(

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  • Good batterie but not at stated capacity

    posted by hhouter on 00:48:44 G7T 06/07/2011 certificated customer

    Involvement Level: Expert (understands the inner workings)

    Pros: Solid 18650 battery, protected and good quality. Comes in sealed plastic and besides they are standard 18650's they look quite cool in the yellow colors. Price a bit on the high side but then for 3600mAh I'm eventually willing to pay the extra $$ for extra capacity.

    Cons: The stated capacity is not close to what's on the label. Compared this to the 2200mAh ones I have and they are equal in burntime in my P7 flashlight. So read 2200 or 2300 mAh

    Other: Solid and well built protected quality but the stated capacity is not what is delivers.

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