
3. PREPARING TO CHARGE
3.1 7654323110/.5-,5/3+,*35)0--3/.56/,+5
*3('2&35-,52(0/%3$50�.15/3+,*35
%/,"4!3!5-3/+'40&56/,+5)0--3/.5 /1-5035
1"/350&&5022311,/'315'45-(35*3('2&350/35,66$5
so as not to cause an arc.
3.2 351"/350/3050/,"4!5)0--3/.5'15#3&&5
ventilated while battery is being charged.
3.3 &3045)0--3/.5-3/+'40&153520/36"&5-,5
keep corrosion from coming in contact
with eyes.
3.4 Add distilled water in each cell until
)0--3/.502'!5/302(315&3*3&5132' 3!5).5
)0--3/.5+04"602-"/3/5,54,-5,*3/ &&5,/505
)0--3/.5#'-(,"-5/3+,*0)&3523&&5201$51"2(
015*0&*35/3%"&0-3!5&30!502'!5)0--3/'31$5
carefully follow manufacturer’s recharging
instructions.
3.5 -"!.50&&5)0--3/.5+04"602-"/3/15
132' 25/320"-',415#('&352(0/%'4%504!5
recommended rates of charge.
3.6 Determine voltage of battery by referring
to vehicle owner’s manual and make sure
that output voltage selector switch is set at
2,//32-5*,&-0%357652(0/%3/5(0150!"1-0)&3
2(0/%35/0-3$52(0/%35)0--3/.5'4'-'0&&.50-5
lowest rate.
4. CHARGER LOCATION
4.1 ,20-352(0/%3/501560/50#0.56/,+5)0--3/.5
as DC cables permit.
4.2 3*3/5&02352(0/%3/5!'/32-&.50),*35
battery being charged; gases from battery
will corrode and damage charger.
4.3 3*3/50&&,#5)0--3/.502'!5-,5!/'5,45
2(0/%3/5#(345/30!'4%53&32-/,&.-35132' 25
%/0*'-.5,/5 &&'4%5)0--3/.
4.4 Do not operate charger in a closed-in
area or restrict ventilation in any way.
4.5 Do not set a battery on top of charger.
5. DC CONNECTION PRECAUTIONS
5.1 Connect and disconnect DC output clips
only after setting any charger switches to
“off” position and removing AC cord from
3&32-/'25,"-&3-53*3/50&&,#52&'15-,5-,"2(5
each other.
5.2 --02(52&'15-,5)0--3/.504!52(011'1$5015
'4!'20-3!5'45-(35132-',415504!5
6. FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED IN VEHICLE
A SPARK NEAR THE BATTERY MAY
CAUSE A BATTERY EXPLOSION. TO
REDUCE THE RISK OF A SPARK NEAR
THE BATTERY:
6.1 Position AC and DC cords to reduce risk
,65!0+0%35).5(,,!$5!,,/$5,/5+,*'4%5
engine part.
6.2 -0.52&30/5,656045)&0!31$5)3&-1$5"&&3.1$504!5
other parts that can cause injury to persons.
6.3 (325,&0/'-.5,65)0--3/.5,1-15775
$5$55)0--3/.5,1-5"1"0&&.5(015&0/%3/5
!'0+3-3/5-(04575$5$5,1-
6.4 Determine which post of battery is
%/,"4!3!52,4432-3!5-,5-(352(011'15765
negative post is grounded to chassis (as
'45+,1-5*3('2&31$513355765,1'-'*35
,1-5'15%/,"4!3!5-,5-(352(011'1$51335
6.5 ,/543%0-'*3%/,"4!3!5*3('2&3$52,4432-5
77552&'56/,+5)0--3/.52(0/%3/5
-,5775$5$55"4%/,"4!3!5,1-5
,65)0--3/.5,4432-5755
clip to vehicle chassis or engine block
away from battery. Do not connect clip to
20/)"/3-,/$56"3&5&'431$5,/51(33-+3-0&5),!.
parts. Connect to a heavy gage metal part
of the frame or engine block.
6.6 ,/5,1'-'*3%/,"4!3!5*3('2&3$52,4432-5
7552&'56/,+5)0--3/.5
2(0/%3/5-,575$5$55
ungrounded post of battery. Connect
77552&'5-,5*3('2&352(011'15
or engine block away from battery. Do
4,-52,4432-52&'5-,520/)"/3-,/$56"3&5&'431$5
or sheet-metal body parts. Connect to
a heavy gage metal part of the frame or
engine block.
6.7 (345!'12,4432-'4%52(0/%3/$5-"/45
1#'-2(315-,5,66$5!'12,4432-552,/!$5
/3+,*352&'56/,+5*3('2&352(011'1$504!5
then remove clip from battery terminal.
6.8 33 Operating Instructions for length of
charge information.
SWIBC4 Manual AW 2018.qxp_Layout 1 30/07/2018 11:06 Page 5