Reviews

Auto battery jump starters matched to vehicle type, from compact-car packs to diesel-rated boosters and a shop-grade jump box, with sizing tips.

Ten Bluetooth OBD2 scanners compared by app support, phone compatibility and features, from $32 Veepeak adapters to bidirectional ThinkDiag and TopScan tools.

Ten iPhone car mounts compared: Qi2 fast-charging vent mounts, strong MagSafe dashboard holders, budget picks and a clamp option for non-MagSafe cases.

Twelve top-rated battery jump starters grouped by type, with engine ratings, a mobile-friendly comparison table, and tips for picking the right size.

Twenty budget dash cams grouped by price tier, with a quick comparison table, honest trade-offs, and tips for spending less without buying junk.

Nine OBD2 scanners compared, from basic code readers to Bluetooth app scanners and bidirectional tablets, with picks for every budget and skill level.

Twelve car phone mounts compared by mounting style, from suction dash mounts to vent clips, MagSafe chargers, and cup holder mounts.

Fifteen Wi-Fi dash cams with front and rear cameras, grouped into dual-channel, three-channel, and 360° systems, with the trade-offs for each.

Nine highly rated dash cams compared by channels, resolution, night video, and size, with picks for commuters, rideshare drivers, and budgets.

Six tire pressure gauges compared by type, accuracy rating, and range, with picks for everyday drivers, trucks, and garage compressors.