Harness the power of the sun with $13 off this RAVPower USB-C solar charger

[Windows Central]

The RAVPower 25000mAh USB-C solar portable charger falls to just $36.99 when you combine the 10% on-page coupon with code RAVPOW016 at Amazon. This device is $50 without the code and this is the lowest we've seen it go before. Note that promo code only applies to the yellow version.
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