KERN WTB-N Operating Instructions Manual page 18

WTB-N_WTB-NM-BA-e-1421
 Remove battery compartment
cover and the foam pieces
 Connecting the rechargeable
battery
Watch the colours:
Red on red !
Black on black!
 Insert the rechargeable battery
in a manner that it cannot slip
(fasten with a rubber foam mat)
Ensure that the cables are
not squeezed.
18