About Us
KONNWEI is a young and dynamic brand focused on automotive products including obd2 scanners, battery testers, battery chargers, car HUD displays, etc.
Our products combine high-tech with down-to-earth practicality to fix your car on your own. At KONNWEI we explore, we innovate, and we make it happen.
BATTERY TESTER COLLECTIONS
OBD2 SCANNER COLLECTIONS
5-AMP QUICK BATTERY CHARGER
CAR HUD DISPLAY
STORAGE BOX
KW650 Battery Load Tester Key Features:
1. Strong Capacity: Works on 6V&12V batteries, battery ratings from 100 - 2200 CCA, also starter and alternator;
2. Test Multiple Battery Types: regular flooded, AGM flat plate, AGM spiral and gel;
3. Color screen, support both in-vehicle and out-of-vehicle test, no need to remove the battery;
4. Test Standards: CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE and GB;
5. Test result: SOH, SOC, CCA value, CCA rating, voltage, internal resistance, etc;
6. Provide reliable results within seconds, display suggestion according to the testing results (Good, Recharge, Replace), detects bad cells directly;
7. Polarity reverses connection protection; reminder light
8. Support 12 languages: English, Russian, French, Spanish, German, Italian, Portuguese, Dutch, etc.
9. Print data & Lifetime free update service;
10. Suitable for automobile factory, garage, auto battery manufacturer, and DIY enthusiasts, etc.
WARNING:
- The battery cca tester never discharges or drain the battery.
- If there are abnormal test results, maybe your battery is overcharged or incompletely charged. So, the battery will be damaged or its life will be greatly shortened, then you can take action to deal with this issue.
Why do you need to know battery conditions (Good or replace)?
Know the battery status in advance to prevent the annoying battery failure situations.
Plug and play--input the rated battery capacity, KW650 will start analyzing the battery's CCA value, charge (%), voltage (v), internal resistance (O), rated CCA, battery healthy (%) and display the test result on screen within seconds.
- Provide 5 kinds of professional advice accordingly:
- GOOD BATTERY: The battery is without any problem, use it without worries!
- GOOD, RECHARGE: Good battery but low current, recharge before using.
- REPLACE: The battery is already or near to reach the end of the using life, please replace the battery.
- BAD CELL, REPLACE: Battery interior damaged, bad cell or short circuit, replace the battery.
- CHARGE-RETEST: Unstable battery shall be recharged and retested to avoid error.
WIDE TESTING RANGE
KW650 can test all the 6 volts and 12 volts batteries, wide operating range all the way down to 100 cold-cranking amps and as high as 2000 cold-cranking amps.
CONVENIENT TESTING SITUATION
No matter the batteries in the vehicles or out of the vehicles, KW650 will finish its testing job excellently, pocketed size let you can bring it to anywhere you want.
TEST MULITPLE BATTERY TYPES
KW650 is designed to test most battery types: Conventional Flooded Acid, AGM Flat Plate, AGM Spiral Wound and Gel Cell batteries and so on.
DISPLAY VOLTAGE IN GRAPH
Displayed voltage readings in a chartto better analyzing the status of your car battery! You could playback the waveform in tester or upload to computer for more precise analysis.
FAST & ACCURATE RESULTS
With the best STM-32 main chip, KONNWEI KW210 12V automotive battery analyzer testing speed is much faster than others, also provide more accurate and reliable results.
High precision amplifier which calibrated by professional instruments, giving you more precise reports within seconds!
COLOR SCREEN & REMINDER LIGHT
No like other battery testers which made of a backlit screen, KW650 has an HD color screen, easy to read also eye protection.
The unique remind light is also a great function that helps you know your battery better.
UPDATE&PRINT
Electronic products must-needed function!
The battery tester will never out of date through the update function, we will keep developing the newer software to ensure the accuracy and customer's experience.
 KW510 Battery Charger |  KW320 OBD2 Scanner |  KW650 Enhanced 6V & 12V Battery Tester |  KW208 Portable Battery Tester |  2 IN 1 OBD2 Scanner + Battery Tester | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — | — | — | — |
| Screen Size | 3 in 1 Battery Tool: charge, repair, test | OBD2 Scanner | 2.4” Color LCD | 2.4” Backlit LCD | OBD2 Scanner + 6V 12V Car Battery Tester |
| Compatible Battery | 12V Regular Flooded, AGM Flat Plate, AGM Spiral, GEL batteries | no data | 6V & 12V Regular Flooded, AGM Flat Plate, AGM Spiral, GEL batteries | 12V Regular Flooded, AGM Flat Plate, AGM Spiral, GEL batteries | 6V & 12V Regular Flooded, AGM Flat Plate, AGM Spiral, GEL batteries |
| Accuracy | Peer Highest 99.5% | 99.5% | Peer Highest 99.5% | Peer Highest 99.5% | Peer Highest 99.5% |
| Charging & Cranking Test | ? | no data | ? | ? | ? |
| Data Storage/Review | ? | ? | ? | ? | ? |
| Data Upload, Print & Update | 12 Volt, 5 amp | no data | ? | ? | ? |
| Voltage Waveform Analysis | ? | ? | ? | ? | ? |
| Voltage Record Rate | ? | no data | 20 point/s | ? | 20 point/s |
| Application | PORTABLE | PORTABLE | PROFESSIONAL | PORTABLE | PROFESSIONAL |
| Battery Type | Car/Marine/Boat/Motorcycle | no data | Car/Marine/Boat/Motorcycle/Lawn Mover/Toy Car | Car/Marine/Boat/Motorcycle | Car/Marine/Boat/Motorcycle |
KW650 Battery Load Tester Key Features:
1. Strong Capacity: Works on 6V&12V batteries, battery ratings from 100 - 2200 CCA, also starter and alternator;
2. Test Multiple Battery Types: regular flooded, AGM flat plate, AGM spiral and gel;
3. Color screen, support both in-vehicle and out-of-vehicle test, no need to remove the battery;
4. Test Standards: CCA, BCI, CA, MCA, JIS, DIN, IEC, EN, SAE and GB;
5. Test result: SOH, SOC, CCA value, CCA rating, voltage, internal resistance, etc;
6. Provide reliable results within seconds, display suggestion according to the testing results (Good, Recharge, Replace), detects bad cells directly;
7. Polarity reverses connection protection; reminder light
8. Support 12 languages: English, Russian, French, Spanish, German, Italian, Portuguese, Dutch, etc.
9. Print data & Lifetime free update service;
10. Suitable for automobile factory, garage, auto battery manufacturer, and DIY enthusiasts, etc.
Why do you need to know battery conditions (Good or replace)?
WARNING:
- The battery cca tester never discharges or drain the battery.
- If there are abnormal test results, maybe your battery is overcharged or incompletely charged. So, the battery will be damaged or its life will be greatly shortened, then you can take action to deal with this issue.
Know the battery status in advance to prevent the annoying battery failure situations.
Plug and play--input the rated battery capacity, KW650 will start analyzing the battery's CCA value, charge (%), voltage (v), internal resistance (O), rated CCA, battery healthy (%) and display the test result on screen within seconds.
- Provide 5 kinds of professional advice accordingly:
- GOOD BATTERY: The battery is without any problem, use it without worries!
- GOOD, RECHARGE: Good battery but low current, recharge before using.
- REPLACE: The battery is already or near to reach the end of the using life, please replace the battery.
- BAD CELL, REPLACE: Battery interior damaged, bad cell or short circuit, replace the battery.
- CHARGE-RETEST: Unstable battery shall be recharged and retested to avoid error.
WIDE TESTING RANGE
KW650 can test all the 6 volts and 12 volts batteries, wide operating range all the way down to 100 cold-cranking amps and as high as 2000 cold-cranking amps.
CONVENIENT TESTING SITUATION
No matter the batteries in the vehicles or out of the vehicles, KW650 will finish its testing job excellently, pocketed size let you can bring it to anywhere you want.
TEST MULITPLE BATTERY TYPES
KW650 is designed to test most battery types: Conventional Flooded Acid, AGM Flat Plate, AGM Spiral Wound and Gel Cell batteries and so on.
DISPLAY VOLTAGE IN GRAPH
Displayed voltage readings in a chartto better analyzing the status of your car battery! You could playback the waveform in tester or upload to computer for more precise analysis.
FAST & ACCURATE RESULTS
With the best STM-32 main chip, KONNWEI KW210 12V automotive battery analyzer testing speed is much faster than others, also provide more accurate and reliable results.
High precision amplifier which calibrated by professional instruments, giving you more precise reports within seconds!
COLOR SCREEN & REMINDER LIGHT
No like other battery testers which made of a backlit screen, KW650 has an HD color screen, easy to read also eye protection.
The unique remind light is also a great function that helps you know your battery better.
UPDATE&PRINT
Electronic products must-needed function!
The battery tester will never out of date through the update function, we will keep developing the newer software to ensure the accuracy and customer's experience.
KW510 Battery Charger | KW320 OBD2 Scanner | KW650 Enhanced 6V & 12V Battery Tester | KW208 Portable Battery Tester | 2 IN 1 OBD2 Scanner + Battery Tester | |
|---|---|---|---|---|---|
| Customer Reviews | — | — | — | — | — |
| Price | — | — | — | — | — |
| Screen Size | 3 in 1 Battery Tool: charge, repair, test | OBD2 Scanner | 2.4” Color LCD | 2.4” Backlit LCD | OBD2 Scanner + 6V 12V Car Battery Tester |
| Compatible Battery | 12V Regular Flooded, AGM Flat Plate, AGM Spiral, GEL batteries | no data | 6V & 12V Regular Flooded, AGM Flat Plate, AGM Spiral, GEL batteries | 12V Regular Flooded, AGM Flat Plate, AGM Spiral, GEL batteries | 6V & 12V Regular Flooded, AGM Flat Plate, AGM Spiral, GEL batteries |
| Accuracy | Peer Highest 99.5% | 99.5% | Peer Highest 99.5% | Peer Highest 99.5% | Peer Highest 99.5% |
| Charging & Cranking Test | ? | no data | ? | ? | ? |
| Data Storage/Review | ? | ? | ? | ? | ? |
| Data Upload, Print & Update | 12 Volt, 5 amp | no data | ? | ? | ? |
| Voltage Waveform Analysis | ? | ? | ? | ? | ? |
| Voltage Record Rate | ? | no data | 20 point/s | ? | 20 point/s |
| Application | PORTABLE | PORTABLE | PROFESSIONAL | PORTABLE | PROFESSIONAL |
| Battery Type | Car/Marine/Boat/Motorcycle | no data | Car/Marine/Boat/Motorcycle/Lawn Mover/Toy Car | Car/Marine/Boat/Motorcycle | Car/Marine/Boat/Motorcycle |
About Us
KONNWEI is a young and dynamic brand focused on automotive products including obd2 scanners, battery testers, battery chargers, car HUD displays, etc.
Our products combine high-tech with down-to-earth practicality to fix your car on your own. At KONNWEI we explore, we innovate, and we make it happen.
BATTERY TESTER COLLECTIONS
OBD2 SCANNER COLLECTIONS
5-AMP QUICK BATTERY CHARGER
CAR HUD DISPLAY
STORAGE BOX