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Capacity, Voltage, and Size of Accumulators for the Porsche 911.

911 (991) 2011-2020
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
4.0 GT3	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
911 (997) 2004-2012
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
3.6 Carrera	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Carrera 4S	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Carrera 4S	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Carrera 4S	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)

911 (996) 1997-2005
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
3.4 Carrera 4	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.4 Carrera 4	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.4 Carrera 4	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera 4S	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera 4S	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera 4S	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 GT3	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 GT3	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 GT3	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 GT3	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 175 mm (H)
3.6 GT3	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
911 Targa (991) 2014-2020
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
3.8 Carrera 4S	Type EN	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Carrera 4S	Type 1	right +	12 V	95 Ah	353 mm (L) - 175 mm (W) - 190 mm (H)
911 Targa (997) 2006-2012
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
3.6 Carrera 4	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera 4	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera 4	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera 4	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)

911 Convertible (997) 2005-2012
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
3.8 Carrera GTS	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Carrera GTS	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Carrera GTS	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Carrera S	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Carrera S	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Carrera S	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Turbo	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Turbo	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.8 Turbo	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
911 Targa (996) 2001-2005
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
3.6	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
911 Convertible (996) 1998-2005
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
3.4 Carrera 4	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.4 Carrera 4	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)

911 Convertible (993) 1994-1997
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
3.6 Carrera 4	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera 4	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera 4	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
911 Speedster (964) 1992-1994
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
3.6 Carrera	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.6 Carrera	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
911 1963-1990
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
2.3 T	Type 1	right +	12 V	44 Ah	207 mm (L) - 175 mm (W) - 175 mm (H)
2.3 T	Type 1	right +	12 V	54 Ah	207 mm (L) - 175 mm (W) - 190 mm (H)
2.3 T	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
2.3 T	Type 1	right +	12 V	52 Ah	207 mm (L) - 175 mm (W) - 175 mm (H)
3.0 SC Carrera	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.0 SC Carrera	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.0 SC Carrera	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.3 Turbo	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.3 Turbo	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
3.3 Turbo	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.3 Turbo	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 175 mm (H)
3.3 Turbo	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)

911 Targa 1964-1990
Modification	Terminal	Polarity	Voltage	Capacity	Recommended size
2.2 E	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
2.2 E	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
2.2 E	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
2.3 E	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
2.3 E	Type 1	right +	12 V	44 Ah	207 mm (L) - 175 mm (W) - 175 mm (H)
2.3 E	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
2.3 E	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
2.3 E	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
2.7 S	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
2.7 S	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
2.7 S	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
2.7 S	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
3.3 Turbo	Type 1	right +	12 V	70 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.3 Turbo	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 190 mm (H)
3.3 Turbo	Type 1	right +	12 V	74 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.3 Turbo	Type 1	right +	12 V	77 Ah	278 mm (L) - 175 mm (W) - 190 mm (H)
3.3 Turbo	Type 1	right +	12 V	85 Ah	315 mm (L) - 175 mm (W) - 175 mm (H)