LED Solar Lantern Specification: Solar Panel: 1. Max Power: 2.5w solar panel 2. Encapsulation: silicon-dropping seal 3. Lifetime: 5 years Battery: 1. Type: AA Ni-MHbatteries 2. Capacity: 5pcs 1.2v/1.8Ah 3. Lifetime: 5 years Lightsource: 1. Type: 32pcs super bright white LED 2. Power: Max power 2.2w Two openning methods: 50%, 100% 3. Lifetime: 10 years 4. Lumen depreciation