Mirror digital display power bank

Battery type: liquid lithium ion battery (18650) Applicable type: general purpose Battery type: cylindrical aluminum shell Shell material: plastic Additional function: LCD display Size: 140*63*22mm Power capacity: 20000mAh Support conversion rate: 85 (%) Support fast charging technology: two-way fast charging Features: Digital display Type: Emergency/Portable Display: LCD digital display power Output: 5V / 2.1A Model: 20000mAh mirror power bank Battery type: Lithium polymer battery Output interface: dual USB