How much (watts) of an inverter do I need to charge my 45W laptop with a 60Ah battery? - Quora
Amazon.com: Voltaic Systems Arc 20 Watt Portable Solar Laptop Charger, 24,000mAh | Includes Foldable Panel, USB-C PD Battery Power Bank and 2 Year Warranty | Powers Laptops Including MacBook : Electronics
HP Compaq 10.8 V OEM Battery 47 Wh 582033-001 HSTNN-DB0M | eBay
DELL 6-Cell Lithium-Ion 60 Watt-Hour Rechargeable Battery for Dell Laptops
AC-adapter 170 Watt slim original for Lenovo ThinkPad P51 (20HH/20HJ/20MM/20MN) - sparepartworld.com
Watts in a Name? Why We're Using Watt-Hours to Compare Batteries | Wirecutter