BT 301B Handbook page 10

3. BATIERY CHARGING
3.1 NORMAL CHARGING
Keep your Tester 301 B battery fully charged; always switch the tester off when not in use and keep
it connected to a vehicle charging point (Rectifier 162A) . Correct connection to the Tester 301 Bis
indicated by red lights on the Tester 301 B and the Rectifier 162A. T he red lights will extinguish
when the charging plug is disconnected from the Tester 301 B or automatically when the charging
is
period completed.
It is recommended that once a fortnight the Tester 301 Bis charged overnight using a Rectifier 161 A
for a period of 14 hours.
3.2 T.E.C. CHARGING
Should your vehicle not be equipped with a Rectifier 162A then check the Tester 301 B battery at
the end of each working day (see 4.2) . If there is any doubt about the state of charge then re­
charge overnight as described in section 4 . 1 using a Rectifier 161 A .
NOTE: Charging can only be carried out with the Tester 301 B switched to the OFF/CHARGE
position .
WARNING:- Car battery chargers must not be used, as this may result in serious damage to the
Tester B. T he Tester 301 B has only to
301
Rectifier 162A or B .
be used Charger
with labelled Rectifier 161 A or B,
or
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