The rolled-metal construction of the individual cells, and the double-welded tabs Traxxas uses to connect the cells, makes them extra rugged. NiMH battery packs are composed of cylindrical 1.2-volt cells, similar to the AA, C, and D batteries that we’re all used to installing in flashlights, TV remotes, and other devices. These Power Cell NiMH batteries have seven 1.2-volts cells, for a total of 8.4 volts. Each type has different advantages to consider when choosing a battery or batteries for your model. Traxxas offers a wide assortment of battery sizes, voltages, and capacities, but when it comes to the chemistry inside the batteries, they all fall into two categories: LiPo (Lithium Polymer) and NiMH (Nickel-Metal Hydride). Understanding Battery Chemistry Battery Types Traxxas makes finding compatible batteries easy: just look up your model at, and then click Batteries on the menu to view all of the NiMH and LiPo packs that can be used in your model. ![]() ![]() Note that batteries are not universal a battery may not be the right size to fit in your model or it may have more voltage than the power system is rated to handle. Capacity is displayed in mAh while voltage is displayed with V. ![]() All you need to remember is that the higher the capacity number, the longer your model will run on each charge. Capacity is indicated in milliamp hours, or “mAh.” This number refers to the amount of current in milliamps the battery can supply for one hour. Voltage determines how much speed and power your model will have, while capacity determines how long it will run on a charge. The primary specs you’ll consider when choosing a battery are voltage (determined by how many cells are in the pack) and capacity (how much energy is stored in the battery).
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