84 Appendix B: Technical reference
Fan
• The cooling fan is rated at 180 cubic feet/minute (5.1 m
voltage and current up to 12 V, 4.1 A, respectively.
• The fan is rated for 70,000 hours at 40°C.
Battery
• Used to maintain time and date settings of the SHB's real-time clock.
• Chemistry: Lithium/Manganese Dioxide (Li/MnO2) system.
• Capacity: 225 mAh.
• Battery voltage: 3 V.
• Diameter (max): 20 mm.
3
/minute), with operating