Apple PowerBook 165 - Manual (Page 19)

Specifications Electrical - 10
Electrical
Main Battery
Nickel cadmium (NiCad), 2.5 Ah
Provides 2-3 hours of usage before recharging
Recharge time: 3 hours
500 power cycles capacity
PRAM Battery 3 V lithium
Power Adapter
110–220 VAC line voltage
17 W, 50–60 Hz
US, Japanese, United Kingdom, Australian, and European versions