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When the lithium-ion battery drops beneath 12.5 V dc, the Quarryman Pro will carry out a controlled shut-down due
to low power.
All batteries contain highly reactive, poisonous and corrosive chemicals, which are hazardous if
released due to physical damage. Should the battery or battery charger approach end-of-life, become
non-functional or damaged, stop using it and source a replacement unit from a Carlson-approved
source.
4.9 Alternative power connections
In addition to the lithium-ion battery pack, the Quarryman Pro may also be powered from a 12 V dc battery using
the blue cable supplied. This cable incorporates two crocodile clips which connect to the positive (red) and negative
(black) terminals of the battery. The minimum requirement for a lead acid battery is 12 V, 7 Ah, 84 Wh. Larger
batteries can also be used.
The Quarryman Pro will also run with an old-style lead acid battery (part number A-5914-0222). However, in this
case, the old power cable (part number A-5915-0200) and the old battery charger (part number A-5914-0223) must
be used in conjunction with the old battery, as the connectors on the new equipment are slightly different. The lemo
power connector on the Quarryman Pro itself has not changed.
Figure 15 Old-style lead acid battery pack
Figure 14 Crocodile clip DC cable (left) - attached to a 12 V battery (right)