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DC-DC Boost Module 0.9V ~ 5V to 5V 600MA USB Mobile Power Boost Circuit Board

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4.500 TND(TTC)
DC / DC boost controller chip onboard ultra-compact PFM control Enter any DC voltage of 0.9V ~ 5V, can be stable output 5V DC voltage, output current of 500 ~ 600MA with two AA batteries input to a single AA...