80W 2-circuit combined monocrystalline solar panels (2 x 415x495x67mm):
40w/24v powers the fan,
40w/21v charges a 16V*9.6Ah lithium storage battery
(battery can be charged full in 6 hours & discharge 20~21 hours for the fan),
IP63 brushless DC motor,
Φ100mm air outlet, 12 inch flat louver (size: 290x290mm),
fan body: 230x230x135mm (the part that will insert into ceiling),
with 10m cable to connect fan host & solar panel
【work time: day & night nonstop & totally solar powered】

40W monocrystalline solar panel (495x415x25mm),
24V brushless DC motor,
Φ100mm air outlet, 12 inch flat louver (size: 290x290mm),
fan body: 230x230x135mm (the part that will insert into ceiling),
include 3m 18V*1.5A AC/DC Power Adapter to support solar fan works nonstop even in sunless periods