| BT506 | BT508 | BT608 | BT609 | ||
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| Battery Test | In-vehicle test | ✔ | ✔ | ✔ | ✔ |
| Out-vehicle test | ✔ | ✔ | ✔ | ✔ | |
| Battery Replace | X | ✔ | ✔ | ✔ | |
| Battery Reset | X | ✔ | ✔ | ✔ | |
| Diagnosis | Read/Erase Codes | X | ✔ | ✔ | ✔ |
| Live Data | X | X | ✔ | ✔ | |
| Service Functions | X | X | X | ✔ | |
| Battery Location Diagrams | ✔ | ✔ | ✔ | ✔ | |
| Battery Health Report | ✔ | ✔ | ✔ | ✔ | |
| Subscription Fee for Diagnostics | X | One for free | Free update | Annual subscription | |
| Data Logging Function | Battery Test：1. In-vehicle&Out-vehicle test--Data manager>Test records 2. Battery Reset--Data manager>Data logging>History Diagnostics/Service：Same with Diagnostics devices |
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| Multimeter | X | X | Optional | Optional | |
| Amp clamp | X | X | Optional | Optional | |
| Built-in Printer | X | X | ✔ | X | |
| Email Report | ✔ | ✔ | ✔ | ✔ | |
| Screenshots |  |
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| Function | Introduction | ||
| In-vehicle test | In-vehicle Test is used for testing batteries that are installed in a vehicle. An in-vehicle test includes battery test, starter test, and generator test |  |
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| Out-vehicle test | Out-vehicle Test is used to test the condition of batteries that are not connected to a vehicle. This function aims to check the health status of the battery only |  |
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| Battery Replace | The Battery Replace function guides you to replace the battery step by step |  |
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Battery Reset |
Auto registration | Auto registration is often used after the successful installation of a new battery, including BMS reset and Electric appliance reset |  |
| BMS reset | The BMS reset feature enables you to register a new battery after battery replacement |  |
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| Electric appliance reset | When the vehicle power is interrupted in order to replace the battery, and a memory saver has not been used, position settings on some vehicle components will be lost. These settings should be relearned |  |
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| Special function | Functions other than battery reset are categorized as special functions |  |
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| Battery usage history(BMW only) | The Battery usage history function will display the following three tests: SOC (State of Charge) in the last 5 days, Proportion of SOC duration, Estimated current mileage comparison (battery replacement) |  |
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