Cold Cranking amps - En to saE - arE you Comparing CorrECtly?The specification of lead acid

starter batteries is measured

using two critical criteria -

capacity in Ah and Cold

Cranking Amps.

Capacity denotes the

amount of electricity stored

in the battery (important

for powering electrical

consumers such as lights,

air conditioning, wipers

and so on). This is generally

measured by all producers

at the 20 hour rate, so it is

quite easy to make product

comparisons.

Cold Cranking denotes the

amount of starting power

the battery can deliver under

load, ie when starting an

engine. This can be measured

in several different ways, but

the standard value in Europe -

accepted by all European

OEMs - is EN (European

Norm). However in the far

East and the US the standard

used is denoted as SAE,

and these different values

are often used in error to

compare battery performance.

As many batteries are

imported from outside

of Europe, it is important

that the differences in

Cold Cranking ratings are

understood by UK customers;

essentially the test used to

obtain SAE values discharges

the battery more than the

EN test, with the result

that SAE values are always

higher than EN. However this

has no bearing on the real

performance of the battery,

nor does it mean that a higher

SAE rating is better than a

lower EN rating.

To help customers understand

the real comparisons between

EN and SAE values we have

constructed a simple cross

reference sheet based on the

current VARTA car and the

new commercial vehicle types.

vb-1726_PowerNews_UK_print.indd 1 10.03.2009 8:56:57 Uhr

-TechnicalThe Johnson Controls Power Solutions Europe customer technical bulletin for UK & Ireland June 2009

VARTA cold cranking values are determined according to the European Norm (EN), which is accepted by all European OEMs.

ETN Short Code UK NoCap in Ah at

20 hr rate

Cold start performance

(EN) A

Cold start performance (SAE) -

approx values

SILVER dynamic car batteries552 401 052 C6 063 52 520 570561 400 060 D21 075 61 600 650563 400 061 D15 027 63 610 660574 402 075 E38 100 74 750 810577 400 078 E44 096 77 780 850585 200 080 F18 110 / 115 85 800 870600 402 083 H3 019 100 830 900610 402 092 I1 - 110 920 1000

BLUE dynamic car batteries540 126 033 A14 054 40 330 360540 127 033 A15 055 40 330 360542 400 039 B35 202 42 390 430544 402 044 B18 063 44 440 480545 155 033 B31 156 45 330 360545 156 033 B32 044 / 053 45 330 360

12026-Varta Technical News Flyer.indd 1 5/6/09 10:07:10

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vb-1726_PowerNews_UK_print.indd 2 10.03.2009 8:57:03 Uhr

ETN Short Code UK NoCap in Ah at

20 hr rate

Cold start performance

(EN) A

Cold start performance (SAE) -

approx values

BLUE dynamic car batteries continued545 157 033 B33 155 45 330 360545 158 033 B34 043 / 057 45 330 360552 400 047 C22 012 / 079 52 470 510560 409 054 D59 075 60 540 590560 408 054 D24 027 60 540 590560 410 054 D47 005 60 540 590560 411 054 D48 014 60 540 590570 412 063 E23 068 70 630 680570 413 063 E24 069 / 072 70 630 680572 409 068 E43 100 72 680 740574 012 068 E11 096 74 680 740574 013 068 E12 086 74 680 740580 406 074 F17 110 / 115 80 740 800595 402 080 G3 019 95 800 870595 404 083 G7 249 / 335 95 830 900595 405 083 G8 250 / 334 95 830 900BLACK dynamic car batteries541 400 036 A17 063 41 360 390545 077 030 B23 048 45 300 330545 079 030 B24 049 45 300 330545 412 040 B19 012 / 079 45 400 440545 413 040 B20 077 45 400 440553 400 047 C10 065 53 470 510556 400 048 C14 027 56 480 520556 401 048 C15 078 56 480 520570 144 064 E9 100 70 640 700570 409 064 E13 067 / 096 70 640 700588 403 074 F5 024 / 017 88 740 800590 122 072 F6 017 90 720 780

12v VARTA PROMOTIVE commercial vehicle batteries*PROmotive SILVER645 400 080 K7 627SHD 145 800 870680 108 100 M18 629SHD 180 1000 1100725 103 115 N9 625SHD 225 1150 1250PROmotive BLUE640 103 080 K10 627HD 140 800 870640 400 080 K8 630HD 140 800 870670 103 100 M8 629HD 170 1000 1100670 104 100 M9 620HD 170 1000 1100715 400 115 N7 625HD 215 1150 1250PROmotive Black590 040 054 G1 643/645 90 540 590590 041 054 G2 644/646 90 540 590600 035 060 H4 - 100 600 650600 047 060 H5 221 100 600 650600 123 072 H9 - 100 720 780602 102 068 H13 GR31 102 680 740602 103 068 H14 GR31 102 680 740610 013 076 I2 615 110 760 830610 047 068 I4 663 110 680 740610 048 068 I5 664 110 680 740610 050 068 I6 221UR 110 680 740610 404 068 I18 663FL 110 680 740620 045 068 I8 627/637 120 680 740620 109 076 I16 120 760 830625 012 072 J1 647/655 125 720 780625 014 072 J2 648/656 125 720 780625 023 000 J3 6TN 125 - -630 014 068 J5 622 130 680 740635 042 068 J8 333/633 135 680 740635 052 100 J10 615UR 135 1000 1100643 033 095 K4 638 143 950 1030643 107 090 K11 - 143 900 1000655 013 090 L2 621/629 155 900 1000655 104 090 L5 - 155 900 1000680 033 110 M7 626 180 1100 1200700 038 105 N2 625 200 1050 1140720 018 115 N5 625UR 220 1150 1250*This list shows the new range which is just being introduced to the UK for June/July 2009. The new VARTA application guide for commercial vehicle batteries lists additional European types which are not currently stocked in the UK, but may become available if there is sufficient interest.

12026-Varta Technical News Flyer.indd 2 5/6/09 10:07:25