9880 Spare battery for 3880 & 3881

Spare battery for Blåkläder’s self-heating vests 3880 and 3881. The Clim8® battery is a 7.4V 3000 mAh rechargeable Li-ion battery, meticulously designed to withstand cold conditions and protected by a durable silicone cover. The Clim8® battery is both lightweight and compact, ensuring you’ll hardly notice it’s there!