Topdon BT20 - Charging and Real-Time Voltage Monitoring; Performing a Charging Test; Viewing Real-Time Voltage

WARNING:
Always start the engine before performing the charging
test. The battery testing function only applies to 12V lead-
acid batteries.
Charging Test
4) The test result will appear soon.
Figure 5.5.4
①
Back
②
Real-Time Voltage
③
Test Result
④
Cranking Voltage: the battery voltage while the engine is starting
⑤
Cranking Time: the time a vehicle takes to start an engine
⑥
Tap Save to save the test result to your mobile device as an
image
⑦
Tap Share to share the test result with your coworkers and
clients
1) Select Charging Test.
2) Start the engine and tap OK.
3) Increase the RPM to 2500 and tap OK.
4) Turn on the electronics and tap OK.
5) The test result will appear soon.
①
Back
②
Real-Time Voltage
③
Test Result
④
Loaded Voltage: The voltage measured when turning on the
on-board electrical appliances
Figure 5.6.1 Figure 5.6
.
2 Figure 5.6.3 Figure 5.6.4
Figure 5.6.5
EN I 19EN I 18