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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. +443456003478 Facebook Instagram
Car Battery 44amp Bosch Silver Technology S4 - S4001
Code: 99961101491/1
Early 911 battery 1965-73, 2 required per car.

Please note: due to logistic restrictions, we are only able to deliver batteries within United Kingdom and Netherlands


Length: 207mm
Width: 175mm
Hieght: 175mm
The new Bosch batteries with Silver Technology

The tried and proven Bosch Silver has been completely redesigned to do justice to the high requirements of international original equipment with regard to electrical values for cold starts and capacity in a continuously first-rate manner.

The Power Control System

Uses different colour displays to report the current charge status at any time and indicates whether everything's OK or whether checking, recharging or a replacement is the order of the day.

The advantages of the Bosch Silver Technology

30 % more starting power
30 % longer life
Reliable power supply for additional electrical consumers in the car
Absolutely maintenance-free
Battery types equipped with the Power Control System continuously indicate the current charge status by means of a colour display
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