Cold weather is where most pouch packs quietly stop performing. Capacity that looks fine on a bench at 25 degrees Celsius collapses once the pack is soaked at minus 20, internal resistance climbs, voltage sags under load and the flight controller triggers an early landing. The LPW-LT4S8000 was engineered around that exact failure mode. It is a 4S 14.8V 8000mAh LiCoO2 pouch battery in which the electrolyte additive package and the electrode coating thickness have been re