Mitsubishi Electric Q173HCPU User Manual page 73

2 SYSTEM CONFIGURATION
Do not short a battery.
Do not charge a battery.
Do not disassemble a battery.
Do not burn a battery.
Do not overheat a battery.
Do not solder the battery terminals.
(c) Battery service life time
Q170ENC 1 pcs.
Q170ENC 2 pcs.
Battery service life time
Guaranteed time(MIN)
8000
4000
CAUTION
2 - 54
[h] Actual time(TYP)
24000
12000
[h]