4 large solar light replacement top for outdoor hanging lanterns, more powerful and more energy efficient UPGRADE SOLAR PANEL: Polysilicon 50% UP efficiency. NI-AA battery: 1200 mAh / 3.7 V (rechargeable solar battery included), 1 brighter LED, 15. Longer service life, more energy saving and . You get: 4 replacement solar lantern tops, compatible with most outdoor pendant lights on the market. Safe to use: has a long service life, saves energy, does not generate heat and can be safely applied by anyone; This waterproof solar lantern uses solar energy, which can reduce energy consumption, save a lot of wires and make your lantern more fascinating.