2026 KONNWEI KW371 2in1 Car Battery Tester & 4 Pin 5 Pin Relay Tester 6V 12V 24V Fault Data Print Start Test Charging Scan Tool
Shipping & Delivery
We offer FREE & Fast Shipping on all orders.
🚚 Free shipping on every order
⚡ Delivery within 5–7 business days
📦 Orders are processed within 1–2 business days
📍 Tracking information is provided once your order ships
We're committed to delivering your order quickly, safely, and at no extra cost.
Return policy
Free Return Policy
We want you to shop with confidence. If you're not completely satisfied with your purchase, you can return it free of charge within 30 days of delivery.
✅ Free returns within 30 days
✅ Items must be unused and in their original packaging
✅ Fast refunds after your return is received and inspected
Your satisfaction is our priority. If you have any questions, our support team is here to help.
SPECIFICATIONS
After sales: Free return and exchange within 1 year
Battery Included: no
Battery voltage: 6V/12/24V 10-2000CCA
Brand Name: KONNWEI
Certification: CE,RoHS
For: Car Yacht Motorcycle Boat Truck SUV ATV
Function: Battery Tester & Relay Tester 2 in 1
High-concerned chemical: none
Language support: Chinese,English,Japanese,Korean,German,French,Russian,Spanish,Polish,Italian,Portuguese,Dutch,Thai,Malay,Turkish,Filipino,Vietnamese,Indonesian
Name: konnwei kw371
Origin: Mainland China
Relay Tester: Settable To 4 or 5 Pin Relay
Supported battery types: Regular Flooded AGM Flat Plate AGM Spiral EFB GEL Lithium
Usage scenarios: For Repair Shops&For Roadside Use&For Car Dealers&For DIYers
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name3: relay tester 12v and 24v
name4: kw371 scan tool