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Maintenance-Free (MF) Batteries

MF batteries use calcium alloys that reduce water loss; unlike sealed designs, some MF models still allow electrolyte inspection.

190 catalogue models · specifications as published by each manufacturer · availability and prices confirmed in quotations

Maintenance-free batteries

190 battery models

Compare selected
3KMade in Thailand

3K 3-MAX MAX60B Battery 35Ah

3-MAX · Maintenance free (MF)

35 Ah · 310 CCA

Size
JIS 44B19
L×W×H
185 × 126 × 223 mm
Terminal
L
MAX60B
3KMade in Thailand

3K 3-MAX MAX60 Battery 40Ah

3-MAX · Maintenance free (MF)

40 Ah · 310 CCA

Size
JIS 44B19
L×W×H
185 × 126 × 223 mm
Terminal
R, L
MAX60
3KMade in Thailand

3K 3-MAX MAX60W Battery 40Ah

3-MAX · Maintenance free (MF)

40 Ah (20HR) · 310 CCA

Size
JIS 44B19L
L×W×H
185 × 126 × 223 mm
MAX60W
3KMade in Thailand

3K 3-MAX MAX65 Battery 50Ah

3-MAX · Maintenance free (MF)

50 Ah (20HR) · 400 CCA

Size
JIS 55B24R / 55B24L
L×W×H
236 × 127 × 222 mm
Terminal
R, L
MAX65
3KMade in Thailand

3K 3-MAX MAX70 Battery 55Ah

3-MAX · Maintenance free (MF)

55 Ah (20HR) · 470 CCA

Size
JIS 65B24L
L×W×H
236 × 127 × 222 mm
Terminal
L
MAX70
3KMade in Thailand

3K 3-MAX MAX75 Battery 65Ah

3-MAX · Maintenance free (MF)

65 Ah (20HR) · 520 CCA

Size
JIS 75D23L
L×W×H
230 × 171 × 224 mm
Terminal
L
MAX75
3KMade in Thailand

3K 3-MAX MAXB3W Battery 71Ah

3-MAX · Maintenance free (MF)

71 Ah (20HR) · 640 CCA

Size
DIN 57113
L×W×H
278 × 175 × 175 mm
MAXB3W
3KMade in Thailand

3K 3-MAX MAXLBN3 Battery 71Ah

3-MAX · Maintenance free (MF)

71 Ah · 640 CCA

Size
DIN 57113
L×W×H
278 × 175 × 175 mm
Terminal
L
MAXLBN3
3KMade in Thailand

3K 3-MAX MAX2000 Battery 75Ah

3-MAX · Maintenance free (MF)

75 Ah (20HR) · 560 CCA

Size
JIS 90D31R / 90D31L
L×W×H
303 × 171 × 222 mm
Terminal
R, L
MAX2000
3KMade in Thailand

3K 3-MAX MAX95 Battery 75Ah

3-MAX · Maintenance free (MF)

75 Ah (20HR) · 600 CCA

Size
JIS 90D26R / 90D26L
L×W×H
258 × 171 × 222 mm
Terminal
R, L
MAX95
3KMade in Thailand

3K 3-MAX MAXLN3 Battery 75Ah

3-MAX · Maintenance free (MF)

75 Ah (20HR) · 650 CCA

Size
DIN DIN75
L×W×H
278 × 175 × 190 mm
Terminal
L
MAXLN3
3KMade in Thailand

3K 3-MAX MAX2500 Battery 85Ah

3-MAX · Maintenance free (MF)

85 Ah (20HR) · 660 CCA

Size
JIS 95D31R / 95D31L
L×W×H
304 × 171 × 222 mm
Terminal
R, L
MAX2500
3KMade in Thailand

3K 3-MAX MAX4W Battery 85Ah

3-MAX · Maintenance free (MF)

85 Ah (20HR) · 780 CCA

Size
DIN 58590
L×W×H
315 × 175 × 190 mm
MAX4W
3KMade in Thailand

3K 3-MAX MAXLN4 Battery 85Ah

3-MAX · Maintenance free (MF)

85 Ah (20HR) · 780 CCA

Size
DIN 58590
L×W×H
315 × 175 × 190 mm
Terminal
L
MAXLN4
3KMade in Thailand

3K 3-MAX MAX3000 Battery 100Ah

3-MAX · Maintenance free (MF)

100 Ah (20HR) · 850 CCA

Size
JIS 135D31R / 135D31L
L×W×H
304 × 171 × 222 mm
MAX3000
3KMade in Thailand

3K 3-MAX MAX3000B Battery 100Ah

3-MAX · Maintenance free (MF)

100 Ah · 850 CCA

Size
JIS 135D31
L×W×H
304 × 171 × 222 mm
Terminal
L
MAX3000B
3KMade in Thailand

3K Premium MF PMF48 Battery 12V 48Ah

Premium MF · Maintenance free (MF)

12 V · 48 Ah (20HR) · 370 CCA

Size
JIS 48B24L
L×W×H
236 × 127 × 222 mm
Terminal
L
PMF48
3KMade in Thailand

3K Premium MF PMF50 Battery 12V 50Ah

Premium MF · Maintenance free (MF)

12 V · 50 Ah (20HR) · 400 CCA

Size
JIS 50B24
L×W×H
236 × 127 × 222 mm
PMF50
BellcoMade in Thailand

Bellco DIN75 Battery 12V 75Ah

Maintenance free (MF)

12 V · 75 Ah (20HR)

Size
DIN DIN 75
L×W×H
278 × 173 × 173 mm
DIN75
BellcoMade in Thailand

Bellco DIN80 Battery 12V 80Ah

Maintenance free (MF)

12 V · 80 Ah (20HR)

Size
DIN DIN 80
L×W×H
340 × 173 × 190 mm
DIN80
BellcoMade in Thailand

Bellco DIN100 Battery 12V 100Ah

Maintenance free (MF)

12 V · 100 Ah (20HR)

Size
DIN DIN 100
L×W×H
340 × 173 × 190 mm
DIN100
BellcoMade in Thailand

Bellco DIN180 Battery 12V 180Ah

Maintenance free (MF)

12 V · 180 Ah (20HR)

Size
DIN DIN 180
L×W×H
511 × 223 × 212 mm
DIN180
BellcoMade in Thailand

Bellco 160D31R Battery

Maintenance free (MF)

Size
JIS 160D31R
Terminal
R
160D31R
BOLIDENMade in Thailand

BOLIDEN Activo MF AMF N100 Battery 105Ah

Activo MF · Maintenance free (MF)

105 Ah · 800 CCA

Size
JIS N100
L×W×H
405 × 173 × 231 mm
Use
Marine starting, Tractor, Heavy truck
AMF N100
BOLIDENMade in Thailand

BOLIDEN Activo MF AMF N110 Battery 110Ah

Activo MF · Maintenance free (MF)

110 Ah · 850 CCA

Size
JIS N110
L×W×H
405 × 173 × 231 mm
Use
Marine starting, Tractor, Heavy truck
AMF N110
BOLIDENMade in Thailand

BOLIDEN Activo MF AMF N120A Battery 110Ah

Activo MF · Maintenance free (MF)

110 Ah · 920 CCA

Size
JIS N120A
L×W×H
502 × 180 × 255 mm
Use
Marine starting, Tractor, Heavy truck
AMF N120A
BOLIDENMade in Thailand

BOLIDEN Activo MF AMF N120 Battery 120Ah

Activo MF · Maintenance free (MF)

120 Ah · 1000 CCA

Size
JIS N120
L×W×H
502 × 180 × 255 mm
Use
Marine starting, Tractor, Heavy truck
AMF N120
BOLIDENMade in Thailand

BOLIDEN Activo MF AMF DTL132 Battery 132Ah

Activo MF · Maintenance free (MF)

132 Ah · 1140 CCA

Size
JIS DTL
L×W×H
504 × 206 × 201 mm
Use
Marine starting, Tractor, Heavy truck
AMF DTL132
BOLIDENMade in Thailand

BOLIDEN Activo MF AMF N150 Battery 150Ah

Activo MF · Maintenance free (MF)

150 Ah · 1150 CCA

Size
JIS N150
L×W×H
504 × 219 × 254 mm
Use
Marine starting, Tractor, Heavy truck
AMF N150
BOLIDENMade in Thailand

BOLIDEN Activo MF AMF N180 Battery 170Ah

Activo MF · Maintenance free (MF)

170 Ah · 1200 CCA

Size
JIS 180EU-B
L×W×H
512 × 222 × 215 mm
Use
Marine starting, Tractor, Heavy truck
AMF N180
BOLIDENMade in Thailand

BOLIDEN Activo MF AMF N250 Battery 210Ah

Activo MF · Maintenance free (MF)

210 Ah · 1200 CCA

Size
JIS N200
L×W×H
520 × 275 × 264 mm
Use
Marine starting, Tractor, Heavy truck
AMF N250
BOLIDENMade in Thailand

BOLIDEN Activo MF AMF N250L Battery 210Ah

Activo MF · Maintenance free (MF)

210 Ah · 1200 CCA

Size
JIS N200L
L×W×H
520 × 275 × 264 mm
Use
Marine starting, Tractor, Heavy truck
AMF N250L

Size codes listed by several manufacturers

Battery guides