Fast charging compass power bank

Item No.: SR61 Battery type: polymer lithium ion battery Applicable type: general Battery type: square aluminum shell Shell material: ABS+silicone Additional features: solar Size: 176*90*30mm Power capacity: Standard 20000 is really 20000 mA, Standard 26800 is really 16000 mA, Standard 26800 is really 12000 mA, fixed