Stihl AP 200 S BatteryAP 200 S Battery: Lithium Ion 187 Wh battery with STIHL connected 36 V, 4. 8 Ah Lithium Ion battery. The AP 200 S is a high capacity battery that powers tools within the STIHL AP System. With an energy capacity of 187 Wh, the battery has an integrated LED charge indicator, clearly displaying as and when the battery needs charging. The AP 200 S has an improved cold start feature, meaning it calculates the voltage drop caused by cold temperatures and