IMR 18650 Battery by Efest Review

Your vaping device is useless without batteries. But you can’t just use any battery, you need a reliable power source. Although there are a lot of batteries out there, it is difficult to find one you can depend on. One battery that has lived up to my expectations is the Efest IMR 18650 LiMn 3000mAh 35A.

There is nothing worse than your battery giving up in the middle of a vaping session. But this is not uncommon. If that happens, you’ll need a replacement. And the Efest 18650 is a good choice. This battery will give you hours of vaping. This Efest battery is compatible with many sub ohm tanks and mech mods. Let’s take a closer look at this battery.

Battery Specs and Features

  • Type: Lithium Manganese (LiMn)
  • Size: 18650mAh
  • Style: Flat Top
  • Weight: 46g
  • Capacity: 3,000 mAh
  • Continuous Discharge: 35A (maximum)
  • Nominal Voltage: 3.7V
  • Full Charge Voltage: 4.2V
  • Discharge Voltage: 2.5V to 4.25V
  • Standard Charge CC/CV: 2A (maximum)
  • Pulse Discharge: 80A (maximum)
  • Life Cycle: 600

Some of you are probably wondering what 18650 means. The number pertains to the diameter and length. This means the battery is supposed to measure 18mm in diameter and 65mm in length. However, the actual measurement is a few mm larger and longer. This is because Efest added some protective coverings around the battery.

Efest is one of the best vape battery makers out there. The company’s batteries are known for their excellent performance. One of the best batteries from Efest is the IMR 18650. This battery has an extensive life that provides you with long hours of vaping pleasure. Also, the recharge time is quick compared to the length of its battery life.

The Test Results

Experts have put this Efest battery to the test. If you want to see the complete results, visit one of these sites. The test was conducted based on the following criteria:

  • Size – As mentioned earlier, the length is 18mm and the diameter is 65mm on paper. But the actual measurement is longer and thicker.
  • Weight – This criterion is relevant to check if the battery is genuine or not.
  • Capacity – The battery is usually rated in mAh or Ah. It also depends on what the voltage is required (discharge in various voltages).
  • Discharge Time – To see how long the battery will last (in hours and minutes).
  • Energy Discharge – This measures the current and voltage at the same time.
  • Current – This shows the maximum current drain on the sub ohm tank or mod.
  • Internal Resistance – This shows how the Efest can handle a heavy load in one minute or less.

Based on the test results, this battery performed well compared to other brands.


This Efest 18650 battery is the real deal. And the test results prove it. This battery is not perfect, but it is far superior to many others out there. You can get this battery from many physical and online vape stores, but you will get the best prices when you go to

You can get a pair of the Efest 18650 battery for only $17.99 at this vape shop. It is easy and quick to order from If you are based in the US, the delivery of your order is usually within a day or two.

Aside from this Efest battery, you will find many other vaping products at this online store including e-liquids, vaping devices, and accessories.

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