18650 rechargeable battery lithium 3.7v 3500mah
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18650 rechargeable battery lithium 3.7v 3500mah
18650 rechargeable battery lithium 3.7v 3500mah

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What is the difference between the 26650 lithium battery and the 18650 lithium battery?

release time:2022-11-16 Hits:     Popular:AG11 battery

  18650 2200mAh 11.1V

  1. The rated capacity is different: the rated capacity of IFR26650 lithium battery is 3000mAh, and the rated capacity of IFR18650 lithium battery is 1100~1400mAh.

  2. The diameters of the two batteries are different: the diameter of IFR26650 is 26 mm, and the diameter of IFR18650 is 18 mm.

  3. The reference quality is different: the production quality of IFR26650 lithium battery is 94g, and that of IFR18650 lithium battery is 45g.

  4. The battery volume is different: the 26650 is larger than the 18650, their cell height is the same, and the cell diameter is different. The 26650 cell diameter is 26mm, while the 18650 cell diameter is 18mm.

  5. The battery capacity is different: the battery capacity of the 26650 battery with the same battery material is larger than that of the 18650 battery. It is assumed that the battery capacity of the 26650 battery with the same ternary material is generally about 5200mAh, while that of the 18650 battery is mostly about 2600mAh.

  6. Different application environments: 18,650 lithium batteries are widely used in lighting batteries, industrial supporting lithium battery packs, electric tool batteries, electric bicycle batteries, power lithium battery packs, etc., while 26,650 lithium batteries are widely used in integrated solar street lamp lithium battery packs, energy storage stations, solar energy storage batteries, etc.

  7. The endurance is different: 18650, that is, straight 18MM, height 65MM. In this way, 26650 must be larger than 18650 in volume, so it has more space filling materials to achieve greater capacity. At present, the 18650 capacity has 220026003100MAH, while the 26650 capacity generally has 400042004500MAH, leading to a longer endurance.

  Advantages and disadvantages of nickel hydrogen battery

  Advantages: low price, strong versatility, large current, environmental stability.

  Disadvantages: large weight, short battery life.

  With the same volume, the capacity is relatively high. Take the common No. 5 battery as an example, the nominal capacity of nickel metal hydride battery can reach 2900mAh (milliampere hour), while that of nickel cadmium battery is only 1100mAh (milliampere hour). NiMH battery has higher output current than carbon zinc battery or alkaline battery, and is more suitable for high power consumption products. Some special models of power type even have higher output current than ordinary nickel cadmium battery.

  Long cycle life, it can be recycled for more than 500 times under correct conditions. Poor high temperature resistance, try not to make the temperature of the battery higher than 45 ℃. Otherwise, the service life will decrease quickly and the internal resistance of the battery will increase. Overcharging has a great impact on the battery life and is dangerous. Therefore, when the battery is fully charged, it is necessary to stop charging.

  The working voltage of NiMH and NiCd batteries is 1.2V, but the volume specific energy of NiMH is higher than that of NiCd batteries. Due to the excellent large rate discharge performance of nickel cadmium battery, nickel hydrogen battery can not replace nickel cadmium battery in many electric tools. Therefore, nickel cadmium battery is temporarily allowed to be used in the field of electric tools in ROSH standard.


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