Protection from Incorrect Insertion
Protection from Short Circuit
Input Over-voltage Protection
Protection from Overcharge & Over Discharge
Protection from Output Over-Current
Output Over Voltage Protection
PTC Protective Circuits for the Cell
MAKE IT THREE. MAKE IT RIGHT: Not one, not two, but three Smart 2.0 USB ports to power upto 3 devices at once. MADE TO OUTLAST: The new and improved portable charger with a high-density Li-polymer battery outlasts both conventional Li-polymer batteries and 18650 cells when it comes to efficiency, performance, and protection. QUALITY INSIDE & OUT: Quality inside and out is what you get with the Zoook Powervault. The 10000mAh external battery pack’s shell is made of the same UL94 V-0 fire-resistant thermoplastic alloy material luxury cars are made of. The core consists of a high-voltage Li-polymer battery that comes from the same manufacturer as the big mobile companies. FAST CHARGING, FULL SAFEGUARDED: The built-in 2.1A output enables to charge your device faster than before. It combines with the protective system to let go of your safety worries while fast charging. EMERGENCY LED TORCH: Shine a light for any time and anywhere in dark. MULTIPLE SMART PROTECTION SYSTEM: Keeps your devices safe from over-charging, over-voltage, over-current, and short circuits. DIGI-POWER TECHNOLOGY: Smart Digital Screen shows remaining power in digital format, and it’s hidden until activated. HIGH COMPATIBILITY: Universal USB ports (3 USB Charging Ports): Compatible with almost all smart devices with an input of DC 5V.