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The Graupner/SJ POLARON PRO charger is a high output charger designed to dock with the optional POLARON POWER SUPPLY (S2012) or a suitable 11-28V DC power source. Graupner/SJ is known for its advanced battery charger technology, ease of programming with its full color TFT LCD touch screen and space-saving design. Featuring a maximum 500W output at 24V operation, maximum 260W output at 12V operation per channel, the POLARON PRO is a powerful two channel charger designed for fast charging of high capacity multi-cell battery packs. Using the touch sensitive 3.0" full color TFT LCD screen and specialized touch keypad, it's a brand new experience in the field of battery charging. No more scrolling through menus to input profile parameters. Program your own charge/discharge cycles, even save custom names for your various batteries. Save up to 30 profiles for Channel 1, 10 profiles for Ch 2, for a total of 40 profiles. The screen displays and logs data during charge/discharge cycles for later review. Plus, the charger also includes connections for bonus features such as two battery temperature sensors, tire warmer, servo tester, ESC setup and motor test capabilities.