ZMI PowerPack 10K Smallest Lightest 10000mAh Battery Pack Fast Charging Portable Charger Pocket Power Bank for iPhone iPad Samsung (NOT Compatible with iPhone 11 Pro/Max, Nexus, Pixel /2/3/3a/XL)

Packs enough juice to charge iPhone 7 (3.7x), Samsung Galaxy S6 (3x), or iPad Air 2 (1x). Rechargeable via either Micro USB or USB-C port. High-speed (QC 2.0) recharge is enabled with an 18W QC 2.0 power adapter (not included). Recharge Time: 4.2 hrs (fast charge), 6.2 hrs (normal 5V/2A adapter).

Versatile
Caters to the needs of smartphones, tablets, smart watches, Bluetooth earphones, and Fitbit by offering three charging modes: high-speed (QC 2.0), normal, and small-current. NOTE: The blue high-speed indicator will only light if your device is fast charge capable. TO IPHONE/IPAD USERS: It is normal that the blue indicator won't light; rest assured that your device is being charged at max speed allowed by Apple.

Pocketable & Ultra-Portable, Finest Quality & Safety
Uses premium battery cells to deliver the same charging capacity at 10% less weight than most power banks. Multiple protections against overtemperature, short-circuit, input overvoltage/reverse-voltage, output overcurrent/overvoltage, overcharge/overdischarge, and incorrect connection to the portable charger. The battery cells' built-in PTC protective circuitry further safeguards against excess current and overtemperature.

Best-in-Class Efficiency
Leverages Zimi's proprietary power management IC technology to seamlessly integrate with the premium battery components onboard and maximize their energy conversion efficiency.

Specifications
Model: QB810
Battery Type: Lithium-polymer cell
Cell Capacity: 10,000 mAh × 3.85V = 38.5Wh
Operating Temperature: 32° to 113° F (0° to 45° C)
I