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Product: Krisdonia 50000mAh Laptop Power Bank 5/9/12/16/19/20V Portable Laptop Battery Charger with QC3.0 USB-A Port & 12V Type-C Port for Laptop, Tablet, Smartphone and More Devices
Brand: Krisdonia
Color: black
Relevance: Substitute
Product Specifications:
Battery capacity: 50000mAh
Battery type: li-polymer battery
DC Input: 19V/2A
TYPE-C Output: 5V/9V/12V 3A (max)
2 USB Output: 5V/9V/12V 3A (max)
DC Output: 5V/8.4V/9V/12V 3A (max)
16V(16.5V)/20V(19V, 19.5V) 4.7A (max)
Compatibillty: MacBook, MacBook pro, notebooks, digital camera, Projector,psp, wireless router, tablet PCs, cell phones, etc.

Instruction for Use:
When charging laptop with DC-OUT port, first, press the power button for two seconds to turn on, then double click the button to adjust the voltage to your laptop's voltage and it can start charging.
When charging devices with Type-C or USB1/2, you don't need to adjust the voltage; press two seconds to turn on the power bank and connect your devices with it directly.

28 Laptop Connectors:
1.4.8*1.7mm for HP,Compaq,Datle
2.5.0*1.1mm for Samsung
3.5.5*1.7mm for Acer
4.5.5*2.1mm for Acer,SONY
5.5.5*2.1mm for Benq,Acer,Toshiba,Compaq,NEC,IBM,HP
6.5.5*2.5mm for Datle,Fljitsu,Liteonit,Dell,IBM,HP,ASUS,Compaq
7.6.3*3.0mm for Toshiba,Acer,NEC
8.6.4*4.4mm for SONY,Fljitsu,Samsung
9.3 pin for Dell
10.4 pin for Toshiba
11.7.4*5.0mm for HP,DELL
12.4.5*3.0mm for HP,ASUS ZenBook UX501(19.5V 6.32A) For Folio 9470m C8K20PA
13.7.4*5.0 for Dell
14.7.9*5.5mm for Lenove, IBM, Thinkpad
15.2.0*0.5mm for Nokia
16.for Levono Thinkpad Ultrabook X230S/S3/S5/X1/E431...Yoga 11s/Yoga 13
17.2.5*0.7mm for the most of the tablet pcs
18.4.0*1.35mm for ASUS
19.4.5*3.0mm for Dell
20.3.0*1.0mm Acer S5, S7, W700, X313, M3
21.3.5*1.35mm for Dell, Sharp
22.4.0*1.7mm for Asus, Benq, Acer, Sony
23.4.8*1.7mm for HP, ASUS, NEC, Datle, Compaq.
24.5.0*2.1mm
25.5.5*1.5mm
26.5.5*2.5mm
27.5.5*2.5mm for Lenovo
28.5.5*2.5mm
Pass Through Charging: Support charge and discharge at the same time. The function is activated by pressing the button for 2 seconds while the power bank itself is charging.
Emergency Battery Backup for Outdoors: Size 7.6'' x 5.9'' x 1.1'' and weight 2.55lb. You can easily put it in your briefcase, backpack or carrying bag when you're on the go. It keeps your devices powered for emergency.
High Capacity: This 50000mAh(3.7V)/185Wh battery provides enough juice to power a 65W laptop about 2.5 times and smartphone about 11-18 times.
All in One Quick Charge: Builds in 4 outputs. DC OUT for Laptops: 5V/8.4V/9V/12V - 3A (max); 16V(compatible 16.5V) / 20V(compatible 19V, 19.5V) - 4.7A (max). Two USB Ports for Smartphones: 5V/9V/12V - 3A (support QC 3.0). Type-C for MacBook 12", Nintendo Switch and more: 5V/9V/12V - 3A. DC input 19V/2A enables the power bank to be recharged in just 6-8 hours.
Superior Quality & Safety Guaranteed: Conform to UL1642 and UL2056 Standards. Constructed with Li-Polymer battery cells and built in 6 security protection to ensure safety use and 1000+ recharge cycles. We provide our customers 12 month 100% satisfaction & replacement warranty.