Search query: small portable iphone battery

Product: BESTON Portable Charger, Ultra Slim 10000mAh Power Bank, Dual High-Speed Charging Port Battery Pack for iPhone, Android Phones, Tablets
Brand: BESTON
Color: Black
Relevance: Substitute
10000 mAh High Capacity: Airplane-Safe 37Wh power can add 4 solid charges to iPhone 8, 2.2 charges to iPhone X, 2 charges to Samsung Galaxy S8 and 0.8 charge to iPad Air 2
Smart Charge: Auto detect your you devices and deliver its fastest possible charging speed with up to 2.1A output per port, charge 2 devices simultaneously with 2 USB ports (total 2.1A max)
Faster Recharge Speed: Save 50% on your recharge time with 5V 2A input to recover a fully battery in just 4.5 to 5 hours
Intelligent Safeguards: Built-in multi layers of protection IC to protect the power bank and your devices against over-charging, over-discharging, short-circuit, high-temperature and surge current
What You Get: BESTON 10000mAh Power Bank, Micro USB Cable, User Manual, 30 days money back and 1 year limited warranty with 24 hours friendly customer service