REDISONA 10000mAh Power Bank Portable Charger Cell Phone Charger External Battery Pack Compatible iPhone Xs/XS Max / 8 / Plus, iPad Android More (Grey)

Amazon.com Price:  $28.99 (as of 02/06/2019 14:36 PST- Details) & FREE Shipping.

Exclusive iPower and Fast Charging Technology: It can automatically adjust the current and voltage to achieve maximum power, delivering its fastest possible juice up to 3amps per port or 4.5amps overall
4.5A Output Charging: Can charge two smart devices simultaneously at top speed, add 7+ charges to iphone6, 5+ charges to Galaxy S6, 2 charges to ipad air
Recharge 2X Faster: Large input 5V/2A, recharges in around 12 hours with a 2 amp charger, some other power bank (generally 1 amp) may take up to 17 hours

Usually ships in 24 hours