Exell IMR 18500 3.7V LiMN 1100mAh 15AMP Rechargeable High Drain Flat Top Battery
Exell IMR 18500HP11 3.7V 1100mAh Li-MN Battery is an ideal replacement battery for many of todays in demand applications such as E-Cigarettes also known as MODS, Vaporizers or Vape products as well as high intensity LED flashlights and Solar Lamps used in gardens and walk ways.Exell IMR 18500HP11 3.7V 1100mAh Li-MN Battery Specifications
- Voltage: 3.7V
- Amperage: 1100mAh
- Battery Size: 18500
- Continuous Maximum Discharge Current: 10 amps
- Maximum Pulse Discharge Current: 15 amps
- C Rating Charge Rate: 15 ~ 20C
- Chemistry Type: Lithium Manganese (LiMN)
- Length: 1.96in (35.0m)
- Width: 0.71in (18.0)
- Terminal Type: Flat Top
- Do not overcharge or overdischarge
- Recharge drained batteries immediately
- Do not short circuit
- Do not dispose of in fire
- Do not expose to extreme heat or water
- Please be familiar with handling lithium-ion batteries before purchase
Exell IMR 18500HP11 3.7V 1100mAh Li-MN Battery Applications: Solar Lighting, Home Security Systems, Digital cameras, Electronic Cigarettes, E-CIG, MODS, Vape, Vaporizer, GPS, Digital calipers, calculators, electronic clocks, medical equipment, measuring instrument, sensors, radio transceiver, and many other electronics.Exell IMR 18500HP11 3.7V 1100mAh Li-MN Battery Safety and Reliability Information:
An additional property of LiMn2O4 is that it cannot be overcharged. When a "true" IMR cell is charged beyond ~4.25 V, no additional capacity will go into the cell. The voltage will simply spike. This is exactly the same case for LiFePO4 cells. Cells that use LiCoO2 and its layered-metal oxide cousins can be overcharged, leading to significant safety issues when these cells are charged above their specified voltages. Cells with LiMn2O4 and LiFePO4 cathodes can be damaged by overcharging (oxidation of the electrolyte leads to increased internal resistance, loss of capacity and shorter cycle life), but overcharging to higher voltage does not make them less safe. This inability to overcharge, combined with the lower total energy density, is why lithium-ion cells with LiMn2O4 and LiFePO4 are generally considered to be "safer".
The last property of LiMn2O4 is that in its pure form it tends to have very poor cycle life. There has been a tremendous amount of research that has gone into improving the stability of LiMn2O4 to improve the cycle life of IMR cells, and this has produced cells with reasonably good long term performance. However, the easiest way to get great cycle life out of LiMn2O4 is to blend it with a separate cathode material that contains nickel. This includes the layered cathode materials Li(Nix,Cox,Mnx)O2 (aka NCM or 333), Li(NixCoyAlz)O2 (aka NCA) and Li(NixCoy)O2 (aka NCO). I won't bore you with the details, but it turns out that the oxides containing nickel acts to change the local chemistry around the LiMn2O4 particles and helps to improve stability.
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