STIHL AS 2 10.8 V lithium-ion battery for AS system cordless machines Light, compact and powerful 10.8 V battery. Compatible with all 10.8 V products in the STIHL AS system (not for HSA 25). Battery energy 28 Wh 1. Weight 0.2 kg. Technical data Nominal voltage 11 V Weight kg 0.22 Nominal cell capacity 2.6 Ah Energy Wh 28