
Stranded batteries happen at the worst times, and this jump starter is small enough to toss in your glove box for whenever your car refuses to turn over. It also doubles as a USB power bank, so it's worth having on hand even between emergencies. Buy Now at Walmart
- 2000A peak current jump-starts batteries instantly
- Integrated power bank for mobile device charging
- Super-bright LED flashlight with emergency signaling
- Multi-protection safety system prevents sparks and shorts
- Ultra-compact design fits in glove compartments

A solid pick for reef or freshwater tank owners already running AquaIllumination AI Prime HD+ fixtures who need a replacement or spare power adapter, since sourcing OEM adapters for aquarium lighting can be surprisingly difficult through standard retail channels. Buy Now at Newegg
- 100-240VAC wide input voltage compatibility
- 10-foot long power cord
- Built-in overcurrent and overvoltage protection
- Short circuit protection for device safety
- FCC, CE, and RoHS certified components

Newegg carries this replacement battery for the Marshall Stockwell Speaker, a straightforward pick if your unit's original battery no longer holds a charge and you'd rather replace it than buy a new speaker. Buy Now at Newegg
- 2600mAh capacity for extended battery life
- Compatible with Marshall Stockwell portable speaker
- Model: TF-2200-1S3PA

Useful for EV owners who want a faster home charging option without a hardwired installation — a 32A Level 2 charger can deliver a full charge overnight where a standard Level 1 outlet might take two or more days. Buy Now at Home Depot

This heavy-duty stud fits panel-mount applications where you need a reliable 400A, 600V connection point, making it a fit for electricians and marine or industrial power setups. It's priced at $20.03, about $7 (26%) off the $27.19 list price. Buy Now at Amazon
- Tough polycarbonate core construction
- UV resistant santoprene overmolding
- Vibration-resistant locking brass threaded inserts
- 400A 600V electrical capacity
- Standard #10-32 bolt compatibility