![]() ![]() MAJOR IMPORTANCE: voltages are normally different between these batteries. Always check the flashlight specifications.ġ6340 Rechargeable Li-ion Battery: These are close in size to a CR123A/RCR123A battery BUT a 16340 battery is normally a little larger in length than the CR123A battery. If your light operates on a regular throw-away AA alkaline battery, NEVER ASSUME that it will also take a 14500 rechargeable battery. Lithium Ion (Li-ion)ġ4500 Rechargeable Li-ion Battery: These are smaller and are similar in size to a regular AA battery. Rechargeable flashlight batteries found in lights made in the past several years are generally Lithium Ion. Lithium Ion (Li-ion) Rechargeable Batteries Then there are the non-rechargeable, throw-away batteries: alkaline and lithium.Ī. Rechargeable batteries fall into one of these chemistry categories: Nickel Cadmium (NiCad), Nickel Metal Hydride (NiMH) or Lithium Ion (Li-Ion) technologies. You don't want to purchase a flashlight or headlamp for your next Arctic trip only to find out it won't operate when reaching your destination. Not all batteries are designed for certain temperatures. Factors such as the temperature of the environment where you are going to operate the flashlight must be considered. When selecting a flashlight, FIRST you may want to consider what kind of battery(ies) you want to use in the light.throw-away, rechargeable, Ni-MH, li-ion, lithium, etc. Selecting a flashlight is like buying a car: if you want the automobile to operate using a certain fuel type, you go to the dealership and ask to see all the autos that are powered by diesel, gasoline, electricity, etc. Today's batteries are varied and POWERFUL! There is much to know about all your battery choices-18650 rechargeable batteries, 14500 rechargeable batteries, 26650 rechargeable batteries, alkaline throw-away batteries, etc. BATTERY TYPES-BATTERY LIMITS-BATTERY SAFETY, all need to a part of your light selection. Did you know certain environments require certain batteries? That's just part of the consideration when selecting a light. There are many battery types on the market, with each having limits on its use. When it comes to selecting an LED Flashlight, you would be wise to start by looking at the battery(ies) it takes to operate the light. Understanding the power source is critical! Of course, if they will be used in a device that can handle the 3.7V of Li-Ion, then there is no need to worry about controlling the charge level.LED FLASHLIGHTS ARE NEAT AND FUNCTIONAL BUT. ![]() After being warmed up, the battery can be charged to 3.0V and used in devices that can only handle 3.0V - a charger that reports the current charge voltage is best for this. The first few recharge cycles should be full charge and discharge to 'warm up' the battery from storage - best done in a device that can handle the voltage, such as a 16340 flashlight. An actual RCR123A battery can be rated as 3.0V or 3.2V and are thus possible to use in place of CR123A batteries, if used correctly. The RCR123A is often used to refer to 16340 batteries, but this is technically not true. Because of their higher voltage (3.7V nominal, 4.2V full charge) they are not a direct replacement for CR123A batteries - they should only be used in devices designed for Li-Ion voltages. With a protection circuit, these are slightly bigger than CR123A batteries (16370). The 16340 is a Lithium-Ion (Li-Ion) Rechargeable battery that is rated at 3.7V. These are sometimes referred to as camera batteries because that is usually their primary use. The CR123A is a Lithium Primary battery that is rated at 3.0V. CR123A, RCR123A and 16340 are three batteries that are the same size but are different batteries. ![]()
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