iPhone battery cases/packs

Anker PowerCore Solar 20000

$54.99 From us.anker.com

Features 20,000mAh solar charger, includes 1x USB–C port (18W), 1x USB–A port (12W)

>>>This charger is designed for outdoor use — charge it up before you go then let the sun continue to trickle–charge your iPhone or iPad (including the iPad Pro). So long as you don’t expect miracles — it’d take days to recharge the battery from solar power alone — you’ll find it a handy travel companion.

Pxwaxpy Solar Power Bank

Around $40 From amazon.com

Features 26,890 mAh, 2x USB-A ports

>>>Want a heavy duty solar-powered battery that won’t break the bank? The Pxwaxpy has a larger battery than the Anker, but there’s no USB–C option, it’s not waterproof, and the two USB–A ports are slower. But there’s plenty of juice for multiple recharges, even without being able to top up the charger using solar.