Electronics

Duratrax has two battery packs available which may suit your needs. They have a 3700 model which stands for 3700mAh at 7.4V which has a max charge rate of 3.7A. Also, they have a 5400 model which is rated at 5400 mAh at 7.4V and a max charge rate of 5.4A. Both packs are built securely with impact and puncture-resistant ABS case.

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Duratrax has introduced a new line of chargers called the "Oynx" series of chargers geared to "sport level performance". But, don't let that description fool you, these are some nice chargers with excellent features for the price. With five different models to choose from, these chargers are sure to be a hit at your local RC raceway.

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The FMA Direct Cellpro 10s is a balancing lithium battery charger, capable of charging a single battery up to 10 cells, or two batteries simultaneously up to 5 cells, with power up to 10 amps. It can handle lithium polymer, lithium ion, and the M1 lithium cells from A123 Systems. Let's dig in and put it through its paces.

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The eLogger V3 from Eagle Tree Systems is an in-flight data logger which continuously records volts, amps, watts, and milliamp-hours to enable pilots to analyze the performance of their electric power systems. In addition, it supports a wide variety of optional sensors to record altitude, airspeed, component temperatures, RPM, and more.

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If you've spent any time browsing Futaba's web site, or your favorite online dealer, you've probably noticed the incredible number of servos available. It can be daunting for modelers to choose the right servo for a given use. Here's a quick guide of which to pick for common applications.

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Mikael Pedersen is one clever guy. He's built a very impressive home made servo tester with many cool features.

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