Konnwei KW700
#1 in With printerFull review
The lowest-priced tester here with a printer, and it handles lithium and 24 V batteries too.
Amazon $59.99$59.99
Conductance (digital)10-2,000 CCA12/24 V
3.7/5
The cheapest way to get printed battery results, for a small shop or a mobile mechanic.
- Conductance (digital)Type
- 100-2,000 CCARange
- 12/24 VSystems
- Starter + chargingSystem tests
Check price at Amazon$99.99
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Prints a test receipt on standard thermal paper, with no ink to buy
- Checks 24 V starters and charging systems as well as 12 V
Cons
- Battery test is 12 V only
- Listing publishes no warranty term
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 | BT300P |
|---|---|
| Testing | |
| Type | Conductance (digital) |
| Battery voltages | 12 V |
| System voltages | 12/24 V |
| Rating range | 100-2,000 CCA |
| Battery types | Flooded, AGM flat plate, AGM spiral, gel, EFB |
| Starter test | Yes |
| Charging system test | Yes |
| Features | |
| Display | 2.4 in color LCD |
| Built-in printer | Yes |
| Cable length | 2.6 ft |
Alternatives in this type
Topdon BT600
#3 in With printerFull review
A shop-friendly tester with a big screen and a printer, for 12 V batteries and 24 V truck systems.
Amazon $169.99$169.99
Conductance (digital)100-2,000 CCA12/24 V
Ancel BST600
#4 in With printerFull review
A printer tester for shops and fleets that work on 24 V batteries and want a dated paper record for each job.
Amazon $119.99$119.99
Conductance (digital)100-2,000 CCA12/24 V
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