Ukrainian soldiers battling a brutal winter are wrapping drone batteries in heated shoe insoles to keep them warm in flight

Ukrainian soldiers battling a brutal winter are wrapping drone batteries in heated shoe insoles to keep them warm in flight

Ukrainian forces are wrapping drone batteries in heated shoe insoles to keep them warm.Ukrinform/NurPhoto via Getty ImagesCold temperatures across Ukraine pose a challenge for electronic devices, particularly drone batteries.To keep the batteries warm, Ukrainian forces are wrapping them in heated shoe insoles.The tactic provides a cheap, easy way to prevent cold temperatures from interfering with operations.Ukrainian forces are wrapping drone ba…