It takes a little longer to balance charge a battery, but doing so ensures that you’ll get the longest run time from each charge. Balance charging is the default setting, and delivers the most complete charge.Ī LiPo battery is said to be “balanced” when each cell is charged to the same voltage. If the battery is already more than 50% charged, the iD charger will discharge it to 50%. Use this mode if you won’t use your LiPo battery for a week or more. Store Mode is used to make sure the battery is approximately 50% charged for storage. Fast Mode will finish charging the battery sooner, but may reduce your run time slightly. You can also select Fast Mode or Store Mode. We recommend Balance charging for day-to-day use. When charging LiPo batteries, iD chargers will default to Balance charging. Traxxas Dual iD chargers can charge two batteries at the same time, even if they’re different types and capacities. This technology only works with Traxxas iD batteries older, non-iD Traxxas batteries can be charged in manual mode by setting the battery type and charge rate. Simply press the “Start” button and the charger does the rest. Patented technology allows an iD-equipped charger to identify automatically the battery’s type, voltage, and capacity. Traxxas iD chargers are the safer, faster, and most convenient way to charge Traxxas batteries. Instead of cylindrical cells, each cell is flat. Here’s a look inside a Traxxas Power Cell LiPo. LiPo batteries should be stored partially charged, and require a LiPo-specific charger. LiPo batteries can be damaged by over-discharging, which is why the electronic speed control on all Traxxas models has built-in Low-Voltage Detection to alert you when LiPo batteries have reached their minimum voltage (discharge) threshold. NEVER charge a LiPo battery using a NiMH charger (or NiMH charging mode on a combination NiMH/LiPo battery charger). LiPo batteries also sustain a higher voltage for a greater duration of each run, so your model will have more “punch,” go faster, and run longer with a LiPo than it would with a comparable NiMH pack. LiPo batteries have greater “energy density” than NiMH batteries, meaning they have more voltage and capacity than a NiMH battery would of the same volume. Traxxas LiPo batteries are offered in 2-cell (7.4 volts), 3-cell (11.1v), and 4-cell (14.8v) configurations. The cells are stacked and enclosed in a tough, semi-rigid wrap. LiPo battery packs are composed of flat 3.7-volt cells. Traxxas NiMH batteries are offered with 6 cells (7.2 volts), 7 cells (8.4 volts) or 8 cells (9.6 volts). NiMH batteries can be discharged completely without harming the battery, and they do not need to be charged before storage. 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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