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  • Suitable for all 12 and 24V batteries with up to 90A

Bosch BAT 490

Mfr# 0687000049

Category: Battery Testing/Charging

Suitable for all 12 and 24V batteries with up to 90A


ex VAT


inc VAT


ex VAT


inc VAT

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Technical data
Charge current intensity Max. 90 A
Length of the charging cable 2 x 3 m
Cross-section charging cable 10 mm²
Power input 1,600 W
Weight 10.5 kg
Charging characteristic "Standard" I1U1I2aI3aI3...
Charging characteristic "Expert" IU1oU2
Final charge voltage, standard

14.0 V ‒ 14.4 V
28.0 V ‒ 28.8 V
Backup mode
12.0 V / 24.0 V
max. 10 A
Floating-mode operation 13.5 V / 27.0 V
max. 90 A / 45 A
Function temperature range 0°C - 40°C
Mains voltage / density 230 V, 50 / 60 Hz (0 687 000 049)
100 V, 50 / 60 Hz (0 687 000 050)
Battery nominal voltage 12 V / 24 V
Protection type (DIN 40050) IP 20 D
Safety class (DIN 40530) I
Dimensions (W x H x D) 300 x 200 x 390 mm
Emitted interference level DIN 40839 emitted interference level I

The new BAT 490

For more technical information on this unit please download this technical information pack

Compact and solid high-frequency charger with versatile application. An "all-rounder" for the workshop, service station, and battery retail outlets. The powerful battery charger is suitable for charging all 12 V- or 24 V- lead-acid batteries, particularly batteries with fixed electrolyte gel batteries or fleece batteries / AGM).

The floating-mode operation of the BAT 490, with intensities of current up to 90 A, stabilizes the vehicle electrical system during diagnosis and reprogramming of control units, this making the device essential in every modern workshop.

Product features of high-frequency charger BAT 490

  • Charging mode for 12 V- / 24 V- lead-acid batteries
  • Automatic detection of 12 V- or 24 V- System
  • Variable charge current intensity in the expert mode (0 – 90 A)
  • Shorter charging times due to optimized charging process
  • Infinitely variable, regulated charging current
  • Charging at vehicle electrical system
  • Floating-mode operation and backup mode
  • Sawtooth trickle charge
  • Protection against polarity inversion, overcharge and short circuits
  • Solid housing

Efficient work is enabled by the new working modes:

  • Standard program for simple and rapid charging
  • Expert program with flexible charge parameters

Radio codes and control unit programming remain unaffected.