Instead, these AAA batteries feature a metal hydride, meaning you don't need extra precautions when disposing of them. Also, they don't have the toxic heavy metal cadmium. īut their capacity is higher at 600 to 1300 mAh. Their nominal voltage is similar to Nickel Cadmium AAA batteries. Here now are the improved versions of the Nickel Cadmium batteries. So there are almost none left in the market. Therefore, manufacturers have limited their production. Their self-discharge rate is so high, meaning they deplete pretty fast. Their capacity is also among the lowest in rechargeable batteries at 300 to 500 mAh.īut they have some serious downsides, such as being highly toxic. The standout feature of these AAA batteries is their low nominal voltage of 1.2V. They are rechargeable batteries, having existed for the most prolonged duration. Thus, they are the most long-lasting batteries in this category. They have extensive battery life in low-energy applications like clocks. This is why digital cameras and other high-power drawing applications use these types of batteries.Īlso, they are the ultimate Long-Lasting Digital Camera Battery type. Their battery capacities are also remarkably high, at 1,200 mAh. Their nominal voltage is 1.5 V, which can rise to 1.8V in open circuits. Here's a quick glimpse of the chemical composition of these batteries. Their energy densities are remarkably high, which explains their popularity in devices that require quite a lot of power, such as cameras. They have manganese dioxide and nickel oxyhydroxide electrolytes responsible for their relatively high nominal voltage of 1.7V. The capacity of the alkaline cells is better than that of their Zinc-carbon counterparts.Īlthough both have the same nominal voltage of 1.5V, alkaline cells feature a capacity of between 850 and 1,200 mAh. Nonetheless, while the Zinc-Carbon features zinc chloride or ammonium electrolyte, Alkaline cells have alkaline potassium hydroxide electrolyte. They both have similar chemistry involving manganese dioxide and zinc chemical reactions. It can be daunting to differentiate the Alkaline batteries from the carbon battery we discussed above. The Carbon-Zinc battery quickly depletes, so you have to replace them after some time, although they are cheap. With about 500 mAh capacity, it's the battery suitable for low-power drain devices like remote controllers and wall clocks. They are among the commonest non-rechargeable AAA batteries, primarily renowned for their zinc and carbon electrodes.Īnother remarkable characteristic of these cell batteries is their relatively low battery capacity. We have four main subcategories of non-rechargeable AAA batteries. The Different Types of AAA Batteries Non-Rechargeable AAA Batteries Nickel metal hydride or Nickel (II) hydroxide The table below provides the respective battery specifications of the various common types of AAA batteries. So bodies like the American National Standards Institute and the International Electrochemical Association dictate their basic elements. Identifying them could be quite a hassle if no system was in place to highlight their fundamental features. However, they are larger than the relatively small AAAA batteries. They are small, especially when compared to the AA types. One of the most unique features of AAA batteries is their size. Technical Specifications Of The AAA Battery
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