7
Battery feature
Item
Specification
Comments
Battery
Nominal DC voltage
48Vdc
DC start voltage
46 Vdc
Discharge
pre-alarm
battery
capability
Battery capability<25%
or Battery voltage< 44V
Battery shutdown voltage
42 Vdc
Leakage current
100uA
Charger
Max charging current
25A
The charging current can be set by
user.
3 stages
：
First - max current until 57V,
then 57V during until charging current
down to 5 Amp, then go to float at 55V.
Absorption charger voltage
57.0 Vdc
Floating charger voltage
55.0 Vdc
Battery overcharge protection
60.0 Vdc
> 150%
Overload alarm for 30 sec, and then
will switch to fault mode.
If user decrease the load <100%
rating, the overload alarm can release.
> 200%
Switch to fault mode immediately
Short circuit
Line Mode
Fuse
Battery Mode
Software Detection
Can be re-start 3 cycles before power
shutdown. interval time 10s.