This is a portable power supply from Owltech. With a large capacity of 622Wh (172,800mAh), it can: ・Fully charge a smartphone: approximately 33 times ・Power a laptop for: approximately 8.3 hours allowing for considerable use on a single charge. I was using it with solar panels on my balcony. (Used for about six months) I am selling it because I can no longer use it due to circumstances at home. It is recommended for disaster preparedness and can also contribute to energy saving when used with solar panels. 【Product Information】 Portable Power Supply 622Wh (172,800mAh) OWL-LPBL172801-BK Owltech Retail Price: ¥86,800 Large-capacity portable power supply compatible with a wide range of devices: This is a large-capacity portable power supply equipped with various output ports, including AC outlets, DC car sockets, and USB charging ports, capable of using up to a total of 600W. It supports various household appliances and can be used without problems with precision equipment such as computers. The unit also has an LED light, providing brightness for use in environments without lighting. jackery ＝＝＝＝＝ 【Specifications】 Built-in Battery Lithium-ion battery 3.6V/172,800mAh/622Wh Rated Input DC (Φ5.5×2.5mm): 12 – 24V 120W (max) Type-C: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5A [PD100W] Total Input: 220W (max) Rated Output AC100V: 600W x 2 ports [Total: 600W] Type-A: 5V/2.4A x 3 ports [Total: 7.2A] Type-C: 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/5A [PD100W] DC Cigar socket, DC (Φ5.5×2.5mm) x2 ports: Total 13.3V 10A Total Output: 600W (max) LED Lighting 3-stage switching: Low / Medium / High Charging Time From empty to full charge: Approximately 9 hours [Included AC charger] / Approximately 5 hours [Included AC charger + PD100W charger] Dimensions Approximately 290 (W) × 210 (D) × 205 (H) mm Weight Approximately 6.8kg