求翻译：恒压充电阶段，当输出电流下降到1.5A时，单片机计时2小时，输出端转至浮充状态。输出电流下降到标称翻转点时，充电状态LED转绿灯。是什么意思？

Constant voltage charging phase, when the output current drops to 1.5a, the microcontroller time 2 hours, the output go to the floating state. Nominal output current drops to flip point, the charge status led turn green.

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Constant pressure charge stage, when the output current drops to 1.5A, the monolithic integrated circuit times for 2 hours, the out-port transfers to the floating condition.When the output current drops to nominal turn over, charge condition LED transfers the green light.

Constant-voltage charging stage, when the output current dropped to 1.5A, the MCU timing 2 hours output go to a floating State. Output current nominal flip down point, charging status LED go green.