NOCO XGC4 56W Power Adapter – Compatible with Boost HD, Boost Pro, and Boost Max Series. XGC4 56W and XGC Boost HD Systems. Boost Pro Series : GB150 (3000A). Boost HD Series : GB70 (2000A), GB75. Boost Max Series : GB250, GB250+, GB251, GB251+, GB500, GB500+.
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