The Merlin 75PD is a portable, rugged power pack for charging laptops with a type C charging port, tablets, smartphones, and other 5V devices. Featuring a USB-C input/output port, plus a separate 5V USB port, the unit houses a powerful 20000mAh battery - giving users plenty of power on the move. The smart charging technology detects when devices are connected, disconnected, or fully charged. The Merlin 75PD is waterproof & dustproof to IP65 Rating. What can the Merlin 75PD recharge? Laptop - 1/2 to 1 times | Tablet - 1 to 3 times Smartphone - 5 to 8 times | Sat Phone - 4 to 7 times GPS - 8 to 12 times | Action Camera - 8 to 12 times Smartwatch - 25 to 30 times | Head Torch - 10 to 12 times Features and Benefits Featuring smart charging technology - Which detects when devices are connected, disconnected or fully charged, the Merlin 75PD is nearly 6 times more powerful than the Merlin 15 and also has the USB-C Power Delivery output. Don't worry about passing rain showers - The Merlin75P