Bosch Software Packages

Diagnostics for passenger vehicles, HGVs, Buses, Commercial Vehicles and Motorbikes

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  • Combined Tester and Printer

Bosch BAT 121

Mfr# 0684400701

Category: Battery Testing/Charging

Combined Tester and Printer


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inc VAT

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Technical data
Battery nominal voltage 12 V
Adjustable low-temperature test current 50 A to 1,000 A (IEC)
50 A to 900 A (DIN)
85 A to 1,550 A (SAE)
80 A to 1,500 A (EN) (JIS)
Dimensions with printer (W x H x D) 130 x 98 x 312 mm
Weight with printer approx. 0.9 kg

Battery tester BAT 121

Portable battery tester for precise testing 12 V starter batteries (standard, maintenance -free, fleece [AGM] and gel batteries). No-stress test procedures, low-temperature test current can be set as required. Displayed are battery voltage, starting power and battery status.

In the alternator test, the control voltage and diode status are displayed.

  • Backlit 8-line LCD display
  • Documentation of test results on thermal printer

Special accessories

Clock module for unambiguous documentation for the customer.