Chapter 7 _____________________________________________________________ Technical Data
VAISALA _______________________________________________________________________ 177
Table 44 7 Ah Backup Battery Specifications (inside
QMP201C)
Property Description/Value
Type Sealed. Lead-acid
Nominal voltage 12 V
Nominal capacity 7 Ah
Self discharge 3% / month
Expected lifetime 4 … 5 years
Dimensions
151 (w) × 65 (d) × 97.5 (h) mm
Weight 2.8 kg
Table 45 QBR101 Battery Regulator Specifications (inside
QMP201C)
Property Description/Value
Maximum input voltage (SMPS and
Solar Panel inputs)
30 VDC
Maximum input current (SMPS) 6 A
Solar panel input 55 W max.
Recommended input voltage from
SMPS input
16 VDC
Max. load current (backup output) 3.5 A
Recommended battery capacity
range
4 … 72 Ah
Battery charge current for 4 Ah
battery (selections
0.5 / 1.0 / 2.0 / 2.5 A)
0.5 A
Max. battery discharge current 3.5 A
Battery charge voltage selection
(with external resistor)
13.7 V
Battery charge temp. comp.
Coefficient
-20 mV/°C typ.
Load disconnection threshold
voltage (with Lo Btry Switch)
10.0 V typ.
Load reconnection threshold voltage 12.0 V typ.
Btry Low signal threshold voltage 11.5 V typ.
Self consumption from battery (with
LEDs disconnected)
0.2 mA max. @ +25 °C
Ground connection Negative
Reverse voltage protection Battery, solar panel
Dimensions (in mm)
90 × 80 × 25 (w × d × h)
Weight 0.1 kg
Housing Anodized aluminum, gray
Wire terminals
- battery and load wires
- solar panel, DC input, and controls
Screw terminals, removable
2.5 mm
2
1.5 mm
2
MTBF (parts stress method,
MIL.HDBK 271F ground benign Ta
+25 °C)
> 150 000 hours
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