Swiss Cougar Beijing Lantern & Power Bank - 2,400mAhthe rechargeable 2,400mah battery in this multi functional item powers the lantern and the two flashlights, so you wont need to buy batteries. It also functions as a power bank to charge your phone. The led and the cob flashlights give you good options for targeted lighting, while the lantern provides ambient lighting, and theres a built in hook to hang it up. 16. 3 ( l ) x 6. 1 ( w ) x 20. 4 ( h ) cm abs & pp power bank: lithium polymer battery