12 Volt Lead Acid Motorcycle Battery Specs and Sizes

Conventional battery

12 Volt lead acid motorcycle battery specs…

Lead acid batteries (also known as conventional batteries) usually come with the acid in a separate pack and are filled through the stoppers in the top of the battery (6 stoppers in the top of a 12 volt battery, usually yellow in colour).
These type of battery have upper and lower level marks on the front and need to be checked and have the electrolyte level topped up with DISTLLED WATER occasionally.
Lead acid batteries usually start with the code CB or 12N (e.g. CB14L-A2 and 12N24-3).

The 1st letter of the battery code is a manufacturers letter and can be different depending on the battery manufacturer (so YB9-B, CB9-B, DB9-B, GB9-B, EB9-B etc are all the same battery).
Maintenance free batteries normally have black case and a plastic strip pressed into the top.

Please note – The power outputs stated on this page will vary depending on the make and quality of the battery!

Battery part numbers starting YB, CB, DB, GB etc…..

Battery Volts Number of cells Capacity (amps / hour) Length (mm) Width (mm) Height (mm) Weight (lb / kg) Acid volume (litre) Charging current (amp / hour) Terminal layout Cold cranking amps (CCA)
US: CB2.5L-C
UK: YB2.5L-C
12 6 2.5 80 70 105 1.7 / 0.8 0.192 0.3 Terminal layout 19
US: CB3L-A
UK: YB3L-A
12 6 3 98 56 110 2.5 / 1.13 0.204 0.3 Terminal layout 32
US: CB3L-B
UK: YB3L-B
12 6 3 98 56 110 2.5 / 1.13 0.204 0.3 Terminal layout 32
US: CB4L-A
UK: YB4L-A
12 6 4 120 70 92 2.8 / 1.3 0.294 0.4 Terminal layout 56
US: CB4L-B
UK: YB4l-B
12 6 4 120 70 92 2.8 / 1.3 0.294 0.4 Terminal layout 56
US: CB5L-B
UK: YB5L-B
12 6 5 120 60 130 3.5 / 1.6 0.39 0.5 Terminal layout 65
US: CB7-A
UK: YB7-A
12 6 8 135 75 133 5.1 / 2.3 0.636 0.8 Terminal layout 124
US: CB7C-A
UK: YB7C-A
12 6 8 130 90 114 5.1 / 2.3 0.504 0.8 Terminal layout 124
US: CB7L-B
UK: YB7L-B
12 6 8 135 75 133 5.1 / 2.3 0.636 0.8 Terminal layout 124
US: CB9A-A
UK: YB9A-A
12 6 9 135 75 155 5.3 / 2.4 0.636 0.9 Terminal layout 130
US: CB9L-A2
UK: YB9L-A2
12 6 9 135 75 139 5.3 / 2.4 0.636 0.9 Terminal layout 130
US: CB9-B
UK: YB9-B
12 6 9 135 75 139 5.3 / 2.4 0.636 0.9 Terminal layout 130
US: CB9L-B
UK: YB9L-B
12 6 9 135 75 139 5.3 / 2.4 0.636 0.9 Terminal layout 130
US: CB10A-A2
UK: YB10A-A2
12 6 11 135 90 155 7.0 / 3.2 0.78 1.1 Terminal layout 160
US: CB10L-A2
UK: YB10L-A2
12 6 11 135 90 145 7.0 / 3.2 0.78 1.1 Terminal layout 160
US: CB10L-B
UK: YB10L-B
12 6 11 135 90 145 7.0 / 3.2 0.78 1.1 Terminal layout 160
US: CB10L-B2
UK: YB10L-B2
12 6 11 135 90 145 7.0 / 3.2 0.78 1.1 Terminal layout 160
US: CB10L-BP
UK: YB10L-BP
12 6 11 135 90 145 7.0 / 3.2 0.7 1.1 Terminal layout 160
US: CB12A-A
UK: YB12A-A
12 6 12 134 80 160 6.8 / 3.1 0.81 1.2 Terminal layout 165
US: CB12AL-A
UK: YB12AL-A
12 6 12 134 80 160 6.8 / 3.1 0.81 1.2 Terminal layout 165
US: CB12AL-A2
UK: YB12AL-A2
12 6 12 134 80 160 6.8 / 3.1 0.81 1.2 Terminal layout 165
US: CB12B-B2
UK: YB12B-B2
12 6 12 160 90 130 7.1 / 3.2 0.81 1.2 Terminal layout 165
US: CB12C-A
UK: YB12C-A
12 6 12 134 80 175 7.1 / 3.2 0.81 1.2 Terminal layout 165
US: CB14-A2
UK: YB14A-2
12 6 14 134 89 166 7.6 / 3.5 0.84 1.4 Terminal layout 190
US: CB14A-A1
UK: YB14A-A1
12 6 14 134 89 176 7.9 / 3.6 0.84 1.4 Terminal layout 190
US: CB14A-A2
UK: YB14A-A2
12 6 14 134 89 176 7.9 / 3.6 0.84 1.4 Terminal layout 190
US: CB14L-A1
UK: YB14L-A1
12 6 14 134 89 166 7.6 / 3.5 0.84 1.4 Terminal layout 190
US: CB14L-A2
UK: YB14L-A2
12 6 14 134 89 166 7.6 / 3.5 0.84 1.4 Terminal layout 190
US: CB14L-B2
UK: YB14L-B2
12 6 14 134 89 166 7.6 / 3.5 0.84 1.4 Terminal layout 190
US: CB14-B2
UK: YB14-B2
12 6 14 134 89 166 7.6 / 3.5 0.84 1.4 Terminal layout 190
US: CB16AL-A2
UK: YB16AL-A2
12 6 16 207 71.5 164 8.6 / 3.9 1.08 1.6 Terminal layout 240
US: CB16A-A
UK: YB16A-A
12 6 16 151 91 180 8.5 / 3.9 1.2 1.6 Terminal layout 240
US: CB16-B
UK: YB16-B
12 6 19 175 100 155 10.5 / 4.8 1.2 1.6 Terminal layout 240
US: CB16L-B
UK: YB16L-B
12 6 19 175 100 155 10.5 / 4.8 1.2 1.6 Terminal layout 240
US: CB16CL-B
UK: YB16CL-B
12 6 19 175 100 175 10.1 / 4.6 1.2 1.6 Terminal layout 240
US: CB18-A
UK: YB18-A
12 6 18 180 90 162 9.4 / 4.3 1.9 1.8 Terminal layout 235
US: CB18L-A
UK: YB18L-A
12 6 18 180 90 162 9.4 / 4.3 1.9 1.8 Terminal layout 235
US: C50-N18L-A(2)
UK: Y50-N18L-A(2)
12 6 20 205 90 162 11.2 / 5.1 2 2.0 Terminal layout 260
US: C50-N18L-A3
UK: Y50-N18L-A3
12 6 20 205 90 162 11.2 / 5.1 2 2.0 Terminal layout 260
US: C60-N24L-A2
UK: Y60-N24L-A2
12 6 28 184 124 175 14.4 / 6.5 2 2.8 Terminal layout 300
US: CB30L-B
UK: YB30L-B
12 6 30 168 132 176 14.1 / 6.4 1.7 3.0 Terminal layout 300

Battery part numbers starting 12N (this is an older style battery prefix)…..

Battery Volts Number of cells Capacity (amps / hour) Length (mm) Width (mm) Height (mm) Weight (lb / kg) Acid volume (litre) Charging current (amp / hour) Terminal layout Cold cranking amps (CCA)
US: 12N5-3B
UK: 12N5-3B
12 6 5 120 60 130 3.1 / 1.4 0.4 0.5 Terminal layout 39
US: 12N5-4B
UK: 12N5-4B
12 6 5 120 60 130 3.1 / 1.4 0.4 0.5 Terminal layout 39
US: 12N5.5-4A
UK: 12N5.5-4A
12 6 5.5 135 60 130 4.3 / 2 0.4 0.6 Terminal layout 60
US: 12N5.5A-3B
UK: 12N5.5A-3B
12 6 5.5 135 60 130 4.3 / 2 0.5 0.6 Terminal layout 60
US: 12N7-3B
UK: 12N7-3B
12 6 7 135 75 133 4.3 / 2 0.5 0.6 Terminal layout 74
US: 12N7-4A
UK: 12N7-4A
12 6 7 135 75 133 4.9 / 2.2 0.5 0.7 Terminal layout 74
US: 12N7-4B
UK: 12N7-4B
12 6 7 135 75 133 4.9 / 2.2 0.5 0.7 Terminal layout 74
US: 12N7D-3B
UK: 12N7D-3B
12 6 7 135 75 150 4.9 / 2.2 0.636 0.7 Terminal layout 74
US: 12N9-3A-1
UK: 12N9-3A-1
12 6 9 135 75 139 4.9 / 2.2 0.636 0.9 Terminal layout 85
US: 12N9-3B
UK: 12N9-3B
12 6 9 135 75 139 5.4 / 2.4 0.636 0.9 Terminal layout 85
US: 12N9-4B-1
UK: 12N9-4B-1
12 6 9 135 75 139 5.4 / 2.4 0.636 0.9 Terminal layout 85
US: 12N10-3A-2
UK: 12N10-3A-2
12 6 10 135 90 145 5.8 / 2.6 0.8 1.0 Terminal layout 103
US: 12N10-3B
UK: 12N10-3B
12 6 10 135 90 145 5.8 / 2.6 0.8 1.0 Terminal layout 103
US: 12N12A-4A-1
UK: 12N12A-4A-1
12 6 12 134 80 160 6.8 / 3.1 0.7 1.2 Terminal layout 113
US: 12N14-3A
UK: 12N14-3A
12 6 14 134 89 166 7.5 / 3.4 0.8 1.4 Terminal layout 128
US: 12N16-3B
UK: 12N16-3B
12 6 16 175 100 155 11.8 / 5.4 1.2 1.6 Terminal layout 190
US: 12N16-4B
UK: 12N16-4B
12 6 16 175 100 155 11.8 / 5.4 1.2 1.6 Terminal layout 190
US: 12N24-3
UK: 12N24-3
12 6 24 184 124 175 12.1 / 5.5 1.8 2.4 Terminal layout 200
US: 12N24-4
UK: 12N24-4
12 6 24 184 124 179 12.1 / 5.5 1.6 2.4 Terminal layout 190

Lead acid battery

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