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
The Topdon BT200 and the Foxwell BT705 are evenly matched, rated 3.6 and 3.6. The Topdon BT200 leads on price and features or load. The Foxwell BT705 wins on warranty. The Topdon BT200 costs $29 less ($77.99 vs $106.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Foxwell BT705
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.
Amazon $106.99$106.99
Which should you buy?
- Choose the Topdon BT200 for price ($77.99 vs $106.99) and features or load (color or phone screen, stored results vs cable of 5 ft or more).
- Choose the Foxwell BT705 for warranty (2-year warranty vs 1-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every digital testers car battery tester; a clear win is highlighted. How we rank explains each one.
| Factor weight | Topdon BT200 | Foxwell BT705 |
|---|---|---|
| Overall rating | 3.6/5 | 3.6/5 |
| Price 25% | 81 $77.99 | 67 $106.99 |
| Battery coverage 25% | 80 up to 2,000 CCA, 24 V systems | 80 up to 2,000 CCA, 24 V systems |
| System tests 20% | 80 tests the starter, charging system | 80 tests the starter, charging system |
| Features or load 20% | 25 color or phone screen, stored results | 10 cable of 5 ft or more |
| Warranty 10% | 0 1-year warranty | 50 2-year warranty |
Specifications
| Topdon BT200 | Foxwell BT705 | |
|---|---|---|
| Testing | ||
| Type | Conductance (digital) | Conductance (digital) |
| Battery voltages | 12/24 V | 12/24 V |
| System voltages | 12/24 V | 12/24 V |
| Rating range | 100-2,000 CCA | 100-2,000 CCA |
| Battery types | Flooded, AGM, gel, EFB, deep cycle | Flooded, AGM, gel, EFB |
| Lithium batteries | - | No |
| Starter test | Yes | Yes |
| Charging system test | Yes | Yes |
| Features | ||
| Display | 2.4 in color LCD | 2.8 in screen |
| Stores results | Yes | - |
| Cable length | - | 5.9 ft |
| Build | ||
| Warranty | 1 year | 2 years |