Car Electronics

Dash cams, phone mounts, battery chargers, jump starters, and OBD2 scanners

How to Test a Car Battery: 6 Tests an ASE Master Tech Uses (2026)

An ASE Master Tech on how to test a car battery at home: resting voltage, cranking voltage, alternator output, hydrometer, conductance and load tests, plus why published voltage charts disagree.

Guide · Updated Sep 30, 2026

How to Charge a Car Battery with a Charger: An ASE Master Tech's Guide (2026)

An ASE Master Tech on charging a car battery properly: real charge times and rates, the voltage-to-state-of-charge table, AGM and lithium modes, and why the negative clamp goes on chassis ground.

Guide · Updated Sep 23, 2026

8 Best H13 LED Headlight Bulbs of 2026

The best H13 LED headlight bulbs of 2026 for F-150, Ram, Super Duty and Jeep Wrangler JK, picked by an ASE Master Tech for cooling, CANbus fit and dual-beam design.

8 products reviewed · Updated Oct 18, 2026

11 Best Motorcycle Blind Spot Mirrors of 2026

Mike Reeves, ASE Master Tech, reviews the 11 best motorcycle blind spot mirrors of 2026. Stick-on convex, bar-end, clamp-on, and helmet mirrors compared by mount type, vibration resistance, and field of view.

11 products reviewed · Updated Oct 30, 2026

10 Best Automatic Wireless Car Chargers of 2026

Mike Reeves rates the best automatic wireless car chargers of 2026: auto-clamping vent and cup holder mounts, real delivered wattage by phone, and battery drain.

10 products reviewed · Updated Oct 27, 2026

11 Best MagSafe Car Chargers of 2026

Mike Reeves tests the best MagSafe car chargers of 2026. Qi2 25W vs 15W, vent and dashboard and cup holder mounts, cooling, and which ones include the 12V adapter.

11 products reviewed · Updated Oct 29, 2026

9 Best Car Chargers of 2026

Mike Reeves reviews the best car chargers of 2026: USB-C and USB-A 12V adapters compared by wattage, ports, and PD/PPS charging for phones and laptops.

9 products reviewed · Updated Oct 28, 2026

What Does the Check Engine Light Mean? Common Codes, Causes, and What to Do (2026)

An ASE Master Tech explains what your check engine light actually means — flashing vs. solid, the 10 most common causes, 30 real trouble codes with repair costs, and when to stop driving.

Guide · Updated Jul 15, 2026

9 Best Radar Detectors of 2026

ASE Master Tech Mike Reeves ranks the best radar detectors of 2026 (Escort, Uniden, Valentine One, Cobra, and Radenso) by Ka-band range, GPS lockout, 360° arrows, MRCD detection, and false-alert filtering for highway and city driving.

9 products reviewed · Updated Nov 1, 2026

How to Jump Start a Car Safely: A Step-by-Step Guide From an ASE Master Tech (2026)

An ASE Master Technician's complete jump-starting guide — the correct cable order and why, the disconnect sequence that protects your electronics, modern-car and EV caveats, the six mistakes that cost real money, and when you should never attempt a jump at all.

Guide · Updated Jul 1, 2026

How to Read OBD2 Codes: A Master Technician's Step-by-Step Guide

An ASE Master Tech's complete guide to reading OBD2 codes — scanner types, the step-by-step process, freeze-frame data, the 8 most common codes, and what a mechanic actually does with each.

Guide · Updated Jun 2, 2026

9 Best Car Battery Testers of 2026

Mike Reeves, ASE Master Tech, reviews the best car battery testers of 2026. Compare conductance testers, load testers, alternator testers, and charger-tester combos for AGM, EFB, and lithium batteries.

9 products reviewed · Updated Oct 14, 2026

7 Best Blind Spot Mirrors of 2026

Mike Reeves reviews the 7 best blind spot mirrors of 2026. Compare round, rectangle, and vehicle-specific designs by glass quality, adhesive grade, and field of view from an ASE Master Tech.

7 products reviewed · Updated Oct 21, 2026

NOCO vs Schumacher Jump Starters: An ASE Mechanic's Comparison

ASE Master Tech Mike Reeves compares NOCO vs Schumacher jump starters — lithium vs AGM, peak amps vs real cranking amps, cold-weather performance, the DSR professional line, and which brand belongs in your trunk or shop.

Guide · Updated Apr 24, 2026

7 Best Backup Cameras of 2026

Mike Reeves reviews the best backup cameras of 2026. Compare wired vs. wireless, license-plate vs. mirror-replacement, and RV-specific kits by resolution, signal type, and install difficulty.

7 products reviewed · Updated Oct 30, 2026

7 Best LED Headlight Bulbs of 2026

Mike Reeves reviews the best LED headlight bulbs of 2026. Compare brightness, beam pattern, fitment, and cooling across top-rated H11, 9005, and universal LED bulbs for reflector and projector housings.

7 products reviewed · Updated Nov 7, 2026

7 Best Dash Cams of 2026

Mike Reeves reviews the best dash cams of 2026. Compare front-only, front+rear, and premium models by resolution, night vision, GPS, and parking mode for every driver.

7 products reviewed · Updated Nov 10, 2026

8 Best Car Phone Mounts of 2026

Mike Reeves reviews the best car phone mounts of 2026. Compare vent, dashboard, and MagSafe mounts by stability, installation, phone compatibility, and road-tested durability.

8 products reviewed · Updated Sep 20, 2026

7 Best OBD2 Scanners of 2026

Mike Reeves reviews the best OBD2 scanners of 2026. Compare code readers by system coverage, bidirectional testing, wired vs Bluetooth, and real-world diagnostic value.

7 products reviewed · Updated Oct 29, 2026

7 Best Jump Starters of 2026

Mike Reeves reviews the best jump starters of 2026. Compare lithium jump starters by peak amps, engine coverage, cold-weather performance, and real-world reliability.

7 products reviewed · Updated Oct 28, 2026

7 Best Car Battery Chargers of 2026

Mike Reeves reviews the best car battery chargers of 2026. Compare smart chargers, maintainers, and jump starters by amperage, battery compatibility, and real-world shop performance.

7 products reviewed · Updated Nov 1, 2026