Holmatro PCU50, Manual

Page: 41 / 177

EN
PCU50 916.400.096_003 41
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3.7 Technical specifications battery pack
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3.8 Safety features of the battery pack
The battery pack is protected against:
•
Short-circuit
• Deep discharge
• Over- and under-voltage (of the battery pack and the individual cells)
• Over-current during charging and discharging
• Overcharging
• Over temperature (of individual cells and electronics)
• Charging and discharging outside the allowed temperature range
3.9 Mains Connector
Refer to Fig. 4.
The mains connector is a special power pack. It can replace the battery of a power tool by the mains
supply. The parameters of the mains connector are almost equivalent to the regular battery. It has the
on/off switch and the LED indication shows the status of the mains connector.
The mains connector is protected against:
Color Condition Tool Action / Solution
Color: green
The temperature is ok OK Use the battery pack
Color: red
The battery is almost too hot.
Charge > 40°C (104°F), discharge > 65°C (149°F) OK Can be charged or used.
Be prepared to cool or
replace the battery.
Color: red, flashing
The battery is too hot.
Charge > 45°C (113°F), discharge > 70°C (158°F) stopped Cool or replace the
battery.
Color: blue
The battery is almost too cold.
Charge < 5°C (41°F), discharge < -15°C (5°F) OK Can be charged or used.
The battery will warm up
itself.
Color: blue, flashing
The battery is too cold.
Charge < 0°C (32°F), discharge < -20C (-4°F) stopped Warm up or replace the
battery.
Description Unit PBPA287
voltage VDC 28
capacity Ah 7
energy Wh 176
battery type Li-Ion
protection rate - IP67
weight, ready for use kg 1.5
lb 3.3
temperature range °C -20 + 55
°F -4 + 131