Stop me if you’ve heard this before, but we’ve spotted a pair of pretty unique USB battery pack deals today.

First up, the ZeroLemon SolarJuice features a built-in solar panel to recharge itself on the go. Obviously, it won’t recharge a 20,000mAh battery very quickly, but it can add a little bit of extra juice during a camping trip or day at the beach. Plus, $20 is a great price for any 20,000mAh battery, so you aren’t even really paying any extra for the solar panel.

Next up, this 10,400mAh pack from Aukey features Quick Charge 2.0 for just $15. That’s one of the best deals we’ve ever seen on a Quick Charge-compatible battery pack, and a great deal as long as your phone supports it.

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