1008Wh capacity:Sleek clamp-on design with a large 1008Wh capacity. Enough for 3 hours of cooling or 8 hours of timed mode, mixing cooling with fan settings.

Detachable design:Detach the add-on battery when portability comes first.

Carry or stow away:Weighing in at 17.4 lb, the add-on battery can be carried or stored for later use.