Autel MaxiBAS BT506
A good add-on for a shop that already uses Autel wireless scan tools, or anyone who wants test reports on a phone.
Amazon $175$175
Conductance (digital)100-2,000 CCA12/24 V
3.6/5
A sturdy 12 V and 24 V tester with a cable long enough to run the starter test alone, and a longer warranty than most.
- Conductance (digital)Type
- 100-2,000 CCARange
- 12/24 VSystems
- Starter + chargingSystem tests
Check price at Amazon$106.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Long 5.9 ft cable reaches the driver’s seat for a one-person starter test
- Comes with a hard carrying case
- Two-year warranty
Cons
- Not for lithium batteries
- No printer or stored history
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | BT705 |
|---|---|
| Testing | |
| Type | Conductance (digital) |
| Battery voltages | 12/24 V |
| System voltages | 12/24 V |
| Rating range | 100-2,000 CCA |
| Battery types | Flooded, AGM, gel, EFB |
| Lithium batteries | No |
| Starter test | Yes |
| Charging system test | Yes |
| Features | |
| Display | 2.8 in screen |
| Cable length | 5.9 ft |
| Build | |
| Warranty | 2 years |
Alternatives in this type
Topdon BT200
A step up from the BT100 for anyone who also works on 24 V trucks or equipment, with a sunlight-readable color screen.
Amazon $77.99$77.99
Conductance (digital)100-2,000 CCA12/24 V
Topdon BT100
A low-cost 12 V tester for a car owner who wants to check a battery, starter and alternator at home.
Amazon $53.99$53.99
Conductance (digital)100-2,000 CCA12 V
Compare
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