Battery, Charging

2004 Volvo C70 2.4 63SECTION Battery, Charging
Fig 1: Identifying Charger & Battery
GLL108428Courtesy of VOLVO CARS OF NORTH AMERICA.

It is important that the battery voltage is normal (approximately 12 V) when testing the car system components. If necessary a battery charger can be connected during the test.

Connect the battery charger to the battery terminals. Charge the battery for approximately 10 hours at the recommended current - maximum 6 A.

Example: If the battery is marked 520 A, the recommended charge current is 0.01x520 = 5.2 A.

A higher than recommended charge current may damage the battery.

NOTE: Boost charging (with a high current or voltage above 16 V) will damage the battery and is prohibited.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.