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4PCS MECO 3.7v 4000mAh Protected Rechargeable 18650 Li-ion Battery 39% OFF 4PCS MECO 3.7v 4000mAh Protected Rechargeable 18650 Li-ion Battery US$23.95 US$39.00 View It
  • Overall:
Top Positive Review for %s on Banggood, Shop best %s with lowest price on Banggood. Browse most helpful positive review for %s before you buy., rc toys, fun sports, fashion, popular electronics
AssemShawkat 27/02/2016
I purchased 40 batteries of this type based on a review I did read here. I took a new one of them and measured its voltage, it was partially charged. I used the XTAR VC4 LCD Screen USB Battery Charger I bought from Bang good to fully charge it to 4.2 volts. Then I did place it in my MECO XM-L T6 2000lm 5 Modes Lotus Shape LED Flashlight to discharge it. It worked for 3 houres then the light started fading. At that time I measured its voltage and it was 2.6 volts which means it is almost completely discharged. Then I did give it a full charge to see the mAh it will gain, I used a current of 1 Ampere. I was surprised to find that it gained only 1963 mAh which is half the 4000 mAh stated by the manufacturer. Keep this in mind if you are planning to buy them.
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Comments (5)
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  • fixer thank you good review

    Reply 11/05/2017

  • AlexSkvortzov and thay totally over size

    Reply 07/01/2023

  • BG571545715 Super review. I will this never buy in the future!

    Reply 14/05/2023

  • Gearlos Don'tYou know, that the max. discharge voltage for at Li-Po battery is 3.2V. By discharging to 2.6V You certainly damaged the battery and the result is whan You get - a bad mAh..

    Reply 13/01/2024

  • BG143794911 Whyare you giving 5 Stars?

    Reply 14/01/2024
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