Collection: *Best Seller
OBDResource Best Seller products.
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BM550U
- CCA SOC SOH Analysis
- 6V /12V /24V Battery Support
- Built-In Printer for Test Results
- Fast and Accurate
BM550 Ultra Battery Tester
4.55 / 5.0
(191) 191 total reviews
Regular price $59.99 USDRegular price$69.99 USDSale price $59.99 USD -
RT100
- Universal All-in-One Socket (Maxi Support)
- Smart Auto-ID Technology
- True Wireless Portability
- Battery and USB Type C power supply
- Wide competitive relay types support
RT100 Ultimate Smart Relay Tester
4.71 / 5.0
(14) 14 total reviews
Regular price $69.99 USDRegular price$99.99 USDSale price $69.99 USD -
EL50448
- Supports GM and Ford Vehicles
- One-Button Brand Switching
- Intelligent Power-Saving Mode
- Activates Sensors Within 5 Minutes
- 9V Battery Required
Super EL50448 2-in-1 TPMS Relearn Tool for GM & Ford
4.49 / 5.0
(271) 271 total reviews
Regular price $19.99 USDRegular price$19.99 USDSale price $19.99 USD -
BM550
- The All-In-One Solution for Every Vehicle
- Easy Operation for Fast Test Results
- Comprehensive Battery Health Diagnostics
- Ultra-Wide 100-2000 CCA Testing Range
- Advanced Safety & Protection
BM550 6V 12V 24V Battery Tester
4.59 / 5.0
(198) 198 total reviews
Regular price $25.99 USDRegular price$25.99 USDSale price $25.99 USD -
RT911
- 12V/24V Testing — Supports cars and trucks.
- Fast Relay Check — Quickly identifies faulty relays.
- LED Results — Clear pass/fail indication.
- Wide Relay Support — Works with common automotive relays.
- Shop Ready — Ideal for repair and diagnostics.
RT911 Automotive Relay Tester
4.78 / 5.0
(41) 41 total reviews
Regular price $24.99 USDRegular price$29.99 USDSale price $24.99 USD -
PS100
- 12V/24V Testing — Works with cars and trucks.
- Power & Ground Check — Quickly identifies circuit status.
- Component Activation — Powers relays, motors, and solenoids.
- Short Circuit Detection — Helps locate wiring faults faster.
- Built for Diagnostics — Great for shops and DIY use.
PS100 Pro Automotive Electrical Circuit Tester
4.78 / 5.0
(67) 67 total reviews
Regular price $75.00 USDRegular price$89.00 USDSale price $75.00 USD -
TPS30
- TPMS Activation — Quickly triggers tire sensors.
- OBD Relearn Support — Helps start TPMS relearn on supported vehicles.
- Easy Programming — Works with compatible TPMS tools.
- Ready for Tire Service — Ideal for replacement and relearn.
- 4-Sensor Kit — Includes 4 programmable TPMS sensors.
TPS30 TPMS Tool Kit
5.0 / 5.0
(3) 3 total reviews
Regular price $249.00 USDRegular price$249.00 USDSale price $249.00 USD -
P04
- No Phone, No App — Plug in and use instantly.
- 5–10 Second Code Clearing — Clears engine fault codes fast.
- True Plug & Play — No buttons, pairing, or setup required.
- Compact & Portable — Easy to keep in your glove box or toolbox.
- Wide OBD2 Compatibility — Works with most 12V OBD2-compliant vehicles.
P04 Lite Lightning Code Eraser
5.0 / 5.0
(1) 1 total reviews
Regular price $49.99 USDRegular price$49.99 USDSale price $49.99 USD -
BM280
- Supports 12V / 24V / 36V / 48V / 60V / 72V Batteries
- Monitors Battery Voltage
- Displays Battery Charge Percentage
- Fits Golf Carts
- IP68 Waterproof Construction
BM280 Battery Gauge Monitor
4.79 / 5.0
(75) 75 total reviews
Regular price $35.99 USDRegular price$39.99 USDSale price $35.99 USD -
TPS10
- TPMS Activation — Quickly triggers tire sensors.
- Sensor Relearn — Helps relearn TPMS sensors.
- Easy Operation — Simple and fast to use.
- Wide Vehicle Coverage — Supports many popular models.
- Tire Service Ready — Great for shops and DIY use.
TPS10 Universal TPMS Relearn Tool
Regular price $69.99 USDRegular price$99.99 USDSale price $69.99 USD -
BX100
- 13.8V Stable Power Output — Provides steady external power for ECU programming and diagnostics.
- OBD2 Breakout Access — Makes it easier to test individual OBD pins, signals, and circuits.
- CAN Protocol Detection — Helps identify vehicle communication activity during diagnosis.
- Protects Vehicle Battery — Reduces voltage-drop risk during coding, flashing, and long diagnostic sessions.
- Professional Electrical Diagnostics — Ideal for ECU work, OBD communication testing, repair shops, and advanced troubleshooting.
BX100 OBD-II Breakout Box & CAN Protocol Detector
Regular price $85.00 USDRegular price$99.99 USDSale price $85.00 USD -
BM520
- 6V / 12V / 24V 3-in-1 battery tester
- CCA & Health Check — Measures cranking performance and battery condition.
- Charging System Test — Checks alternator and charging performance.
- Cranking Test — Helps diagnose starting issues.
- Ripple Test — Helps check battery performance.
BM520 Car Battery Tester
4.85 / 5.0
(13) 13 total reviews
Regular price $79.00 USDRegular price$99.00 USDSale price $79.00 USD -
P02 Bluetooth OBD2 VCI
4.73 / 5.0
(121) 121 total reviews
Regular price $49.99 USDRegular price$69.99 USDSale price $49.99 USD -
ST100 Automotive Spark Plug Tester
4.63 / 5.0
(81) 81 total reviews
Regular price $24.99 USDRegular price$29.99 USDSale price $24.99 USD -
CP20
- 180° Rotating Screen — Easy viewing from any angle.
- Voltage & Polarity Check — Fast electrical diagnosis.
- Continuity Test — Quickly checks open/closed circuits.
- Professional Probe Design — Ideal for shop diagnostics.
- Component Activation — Tests motors, relays & solenoids.
CP20 Professional Automotive Circuit Probe
4.88 / 5.0
(8) 8 total reviews
Regular price $49.99 USDRegular price$49.99 USDSale price $49.99 USD -
EL50448
- 4-in-1 Multi-Function TPMS & Signal Diagnostic Tool
- Accurate 4-Frequency RF Detection with LED Indicators
- Wide Vehicle Compatibility for TPMS Relearn
- Ideal for DIY Users and Professional Technicians
- User-Focused, Practical Design
Super EL50448 Ultra
4.8 / 5.0
(20) 20 total reviews
Regular price $59.99 USDRegular price$89.99 USDSale price $59.99 USD