Usage Tips:Feature: 1. This solar-powered battery box is designed for universal use with 2.76 inches and 3.15 inches in diameter optional. 2. Specifically crafted for use with most outdoor hanging lanterns, it helps create a captivating and enchanting atmosphere with warm light. 3. Silde the switch on the bottom of the lid to \"ON\" position. Built-in light sensor makes it turn on at night and turn off on daytime automatically. 4. With a built-in 600mAh Ni-MH battery, this battery box can normally light up 8-12 hours with 6-8 hours of charge in the sun. 5. Our solar lanterns replacement top supports IP65 waterproof rating, providing protection against water damage, ensuring durability and longevity. Specification: Features: This solar-powered battery box is designed for universal use with 2.76 inches and 3.15 inches in diameter optional. Specifically crafted for use with most outdoor hanging lanterns, it helps create a captivating and enchanting atmosphere with warm light. Silde the switch on the bottom of the lid to "ON" position. Built-in light sensor makes it turn on at night and turn off on daytime automatically. With a built-in 600mAh Ni-MH battery, this battery box can normally light up 8-12 hours with 6-8 hours of charge in the sun. Our solar lanterns replacement top supports IP65 waterproof rating, providing protection against water damage, ensuring durability and longevity. Specifications: Battery Capacity: 1.2V, 600mAh Light Color: Warm White Material: ABS Color: Black Item Diameter: 7cm/2.76in, 8cm/3.15in (Optional) Package Size: Approx. 8.5*8.5*2.5cm/3.34*3.34*0.98in Package Weight: Approx. 200g/7.05oz Package List: 1 * Solar Lanterns Replacement Top Package List: 1 * Solar Lanterns Replacement Top