Brand Name: ALLPOWERS Battery Type: Li-polymer Battery Features: Support Quick Charging Features: Waterproof Features: Digital Display Output Interface: Double USB Battery Capacity: 25001mAh-29999mAh Charging Devices: for Laptop Charging Devices: for Tablet Charging Devices: for Drones Charging Devices: for Camera Charging Devices: for Smartphone Input Interface: USB Shell Material: Plastic Weight: Other Size: Other Support Quick Charge Technology: Two-way Quick Charge Supports Solar Energy: No Quality Certification: MSDS Quality Certification: CCC Is LED Lamp Illumination: No 1.: power bank 2.: powerbank 3: power bank 30000mah 4.: external battery 5.: portable charger 6.: battery 7.: mobile external battery 8.: wireless power bank 9.: power bank 50000mah 10: power bank 20000mah