Bird Technologies 4391A - Manual (Page 28)

16
WARNING
Use only Nickel Metal Hydride (NiMH) batteries that have a
minimum capacity of 4500 milliamper hours (mAh). Do not
install batteries that are not Nickel Metal Hydride. Do not install
NiMH batteries that have less than 4500 mAh capacity. Failure to
comply may result in damage to the batteries, damage to the
instrument, and injury to personnel from battery chemicals.
CAUTION
Long-term storage of this instrument can affect battery
performance and reduce battery life. Do not store the
instrument for long periods of time without recharging the
batteries (refer to page 18). Failure to comply may result in
reduced battery charge and shortened battery life.