Dodge Sprinter 2006 Manual page 869

VA
Fig. 4 VOLTMETER ACCURATE TO 1/10 VOLT
(2) Discon n ect a n d isola t e t h e ba t t er y n ega t ive
ca ble. Con n ect t h e ba t t er y ch a r ger lea ds. Som e ba t -
t er y ch a r ger s a r e equ ipped wit h pola r it y-sen sin g cir-
cu it r y. Th is cir cu it r y pr ot ect s t h e ba t t er y ch a r ger a n d
t h e ba t t er y fr om bein g da m a ged if t h ey a r e im pr op-
er ly con n ect ed. If t h e ba t t er y st a t e-of-ch a r ge is t oo
low for t h e pola r it y-sen sin g cir cu it r y t o det ect , t h e
ba t t er y ch a r ger will n ot oper a t e. Th is m a kes it
a ppea r t h a t t h e ba t t er y will n ot a ccept ch a r gin g cu r-
r en t . See t h e in st r u ct ion s pr ovided by t h e m a n u fa c-
t u r er of t h e ba t t er y ch a r ger for det a ils on h ow t o
bypa ss t h e pola r it y-sen sin g cir cu it r y.
(3) Ba t t er y ch a r ger s va r y in t h e a m ou n t of volt a ge
a n d cu r r en t t h ey pr ovide. Th e a m ou n t of t im e
r equ ir ed for a ba t t er y t o a ccept m ea su r a ble ch a r gin g
cu r r en t a t va r iou s volt a ges is sh own in t h e Ch a r ge
Ra t e Ta ble. If t h e ch a r gin g cu r r en t is st ill n ot m ea -
su r a ble a t t h e en d of t h e ch a r gin g t im e, t h e ba t t er y
is fa u lt y a n d m u st be r epla ced. If t h e ch a r gin g cu r-
r en t is m ea su r a ble du r in g t h e ch a r gin g t im e, t h e ba t -
t er y m a y be good a n d t h e ch a r gin g sh ou ld be
com plet ed in t h e n or m a l m a n n er.
CHARGE RATE TABLE
Voltage
16.0 volts maximum
14.0 to 15.9 volts
13.9 volts or less
CHARGING TIME REQUIRED
Th e t im e r equ ir ed t o ch a r ge a ba t t er y will va r y,
depen din g u pon t h e followin g fa ct or s:
• B a tte ry Ca p a c ity - A com plet ely disch a r ged
h ea vy-du t y ba t t er y r equ ir es t wice t h e ch a r gin g t im e
of a sm a ll ca pa cit y ba t t er y.
Hours
up to 4 hours
up to 8 hours
up to 16 hours
• Te m p e ra tu re - A lon ger t im e will be n eeded t o
ch a r ge a ba t t er y a t -18° C (0° F ) t h a n a t 27° C (80°
F ). Wh en a fa st ba t t er y ch a r ger is con n ect ed t o a cold
ba t t er y, t h e cu r r en t a ccept ed by t h e ba t t er y will be
ver y low a t fir st . As t h e ba t t er y wa r m s, it will a ccept
a h igh er ch a r gin g cu r r en t r a t e (a m per a ge).
• Ch a rg e r Ca p a c ity - A ba t t er y ch a r ger t h a t
su pplies on ly five a m per es will r equ ir e a lon ger
ch a r gin g t im e. A ba t t er y ch a r ger t h a t su pplies
t wen t y a m per es or m or e will r equ ir e a sh or t er ch a r g-
in g t im e.
• S ta te -Of-Ch a rg e - A com plet ely disch a r ged ba t -
t er y r equ ir es m or e ch a r gin g t im e t h a n a pa r t ia lly
disch a r ged ba t t er y. E lect r olyt e is n ea r ly pu r e wa t er
in a com plet ely disch a r ged ba t t er y. At fir st , t h e
ch a r gin g cu r r en t (a m per a ge) will be low. As t h e ba t -
t er y ch a r ges, t h e specific gr a vit y of t h e elect r olyt e
will gr a du a lly r ise.
Th e Ba t t er y Ch a r gin g Tim e Ta ble gives a n in dica -
t ion of t h e t im e r equ ir ed t o ch a r ge a t ypica l ba t t er y
a t r oom t em per a t u r e ba sed u pon t h e ba t t er y st a t e-of-
ch a r ge a n d t h e ch a r ger ca pa cit y.
BATTERY CHARGING TIME TABLE
Charging Amper-
age
Open Circuit Volt-
age
12.25 to 12.49
12.00 to 12.24 10 hours
10.00 to 11.99 14 hours
Below 10.00 18 hours
STANDARD PROCEDURE - OPEN - CIRCUIT
VOLTAGE TEST
A ba t t er y open -cir cu it volt a ge (n o loa d) t est will
sh ow t h e a ppr oxim a t e st a t e-of-ch a r ge of a ba t t er y.
Th is t est ca n be u sed in pla ce of t h e h ydr om et er t est
wh en a h ydr om et er is n ot a va ila ble, or for m a in t e-
n a n ce-fr ee ba t t er ies wit h n on -r em ova ble cell ca ps.
Befor e pr oceedin g wit h t h is t est , com plet ely ch a r ge
t h e ba t t er y (Refer t o 8 - E LE CTRICAL/BATTE RY
SYSTE M/BATTE RY - STANDARD P ROCE DURE ).
(1) Befor e m ea su r in g t h e open -cir cu it volt a ge, t h e
su r fa ce ch a r ge m u st be r em oved fr om t h e ba t t er y.
Tu r n on t h e h ea dla m ps for fift een secon ds, t h en
a llow u p t o five m in u t es for t h e ba t t er y volt a ge t o
st a bilize.
(2) Discon n ect a n d isola t e bot h ba t t er y ca bles, n eg-
a t ive ca ble fir st .
BA TTERY SYSTEM 8F - 9
10
5 Amps 20 Amps
Amps
Hours Charging @ 21° C (70°
F)
6 hours 3 hours
5 hours
7 hours
9 hours
1.5
hours
2.5
hours
3.5
hours
4.5
hours