Samsung INR18650-30Q Battery 15A 3000mAh - Flat Top - Wholesale Discount, Genuine and Tested


  • $ 5.69
  • 24

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Genuine Samsung 30Q 3000 mAh batteries.  This is an amazing cell, extremely low internal resistance similar to the 25R but with a higher capacity of 3 Ah.  A great battery for 10-50W per battery devices.  As always, we've done extensive testing to be sure they're real so you can be confident you've got the real thing, grade A.  


  • Chemistry:  INR
  • Max Continuous Discharging Current: 15A
  • Typical Capacity: 3000mAh
  • Style:  Flat top
  • Dimensions: 64.85 ± 0.15 mm (L) x 18.33 ± 0.07mm (D) 
  • Weight: 48g max
  • Discharge cut-off voltage: 2.5V
  • Internal resistance:  ~20 mOhm
  • Nominal Voltage: 3.6V
  • Full Charge Voltage: 4.2V ± 0.05V
  • Unprotected
  • Origin:  South Korea

Battery safety is very important.  Mistreated batteries can get extremely hot and/or vent which could cause injury.  Always follow the following rules to make sure this doesn't happen.  We are not liable for mistreated batteries.



  • Never completely discharge batteries (below 2.5V under load or 3V unloaded).
  • Charge fully (to 4.2V) before first use.
  • Never use a lot of force on the battery to install
  • Use only high quality battery chargers.
  • Do not expose to heat.
  • Do not connect the positive contact to the negative contact without an appropriate load.  
  • Be mindful of the current limits in the specification and never exceed them.
  • Never keep a spare battery loose in a pocket, purse, etc.  Always use protective cases for loose batteries.  If it shorts against a piece of metal it can be very dangerous.
  • Never charge battery 4.3V or above.
  • Do not charge unattended.
  • Do not store your li-ion batteries fully charged for an extended period of time (weeks or more)
  • If you must store battery then do it in a case or individual box in cool and dry place at approximately 3.6V - 3.7V.
  • Never try to charge or discharge li-ion batteries with battery chargers that are not made for Li-ion batteries. 


    Customer Reviews

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    • Reviews (24)
    • Questions (0)

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    Your input is very much appreciated. Share it with your friends so they can enjoy it too!
    Brian M.
    United States
    • What device/application do you use this with? Box mod


    Great batteries. Fast shipping.

    Joseph P.
    United States
    • What device/application do you use this with? Smok alien and fuchai 213

    Verified purchaser

    I couldn't have made a better choice. Excellent product. Fast shipping, let's not forget the awesome price. And the customer service. Kudos to your company. All around great experience. Thanks You

    Sean B.
    United States
    • What device/application do you use this with? Smok Alien 220 watt mod


    I LOVE these batteries!

    Dennis R.
    United States
    • What device/application do you use this with? Batteries were used to replace and upgrade axausted

    Samsung INR18650-30Q 15A 3000mAh battery

    These batteries were perfect for my application. They were well marked and sized to specs. They replaced Samsung 15A 1600mAh batteries, and the addition capacity was welcomed in my application.

    Joe Patrick
    Wilkes Barre Pa
    • What device/application do you use this with? Smok alien & fuchai 213


    Placed my order on Aug 3 received it on Aug 4 awesome. Delivery . After reading the reviews I know I am going to be pleased . Ordered 9 30 qs. Great reviews on these cells. Only problem I received 8 and one 25r Not a big deal. The ones I'm replacing r the 25rs. Thanks for such fast shipping. I do live only about an hour and a half away. Thankd

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