Car and RV Interior Accessories and Gadgets

Cup-holder fit: measuring before you buy

Many items here are made to sit in a cup holder, such as car ashtrays and organizers, so the opening decides fit. Measure the holder's diameter and its depth, and compare with the item's stated diameter and height, for example about 3 inches across. A tapered or spring-loaded base copes with some variation, but a rigid cylinder wider than the holder will not seat. Check whether a lid, a light or a filter changes the height.

Smokeless ashtrays with a fan and filter need power and upkeep. Check how they charge, for example USB, and how often the filter is replaced, since a clogged filter does little. Illuminated models add a small light, which is a distraction at night if it sits in your line of sight. A lidded ashtray stops ash from spilling over on rough roads.

Battery gadgets: capacity, charging and runtime

Portable fans and powered cushions are rated by battery capacity in milliamp-hours, such as 5000 mAh, and by speed settings or intensity levels. A bigger battery lasts longer at the same setting, but runtime falls sharply at high speed. Check the charging connector, whether the unit can run while plugged in, and the cable length if it is meant for a car's power socket.

Replacement parts such as glass carafes are sold by capacity and model. A 12-cup carafe fits a coffee maker only if the lid, handle and spout match, so confirm the model number before you buy. Seat cushions and lumbar supports list weight and size; measure the seat and note the strap or fixing so the support stays where you put it.

Questions about Car and RV Interior Accessories and Gadgets

Will a car ashtray fit every cup holder?

No. Cup holders vary in diameter and depth, and some are tapered or have rubber fins. Compare your holder's inner width with the product's stated diameter, and allow for any lid or lamp that adds height. Choose a base the same as or a little narrower than the opening.

How long does a 5000 mAh fan run?

There is no single answer, because runtime depends on the speed setting and the fan's power draw. A higher capacity gives longer use at the same setting, and low speed can last several times longer than maximum. Look for the stated runtime at each speed in the description.

Can I replace a coffee maker carafe with any glass one?

Only if it matches the machine. Carafes differ in lid shape, handle position and the way the spout aligns with the drip stop, so use the model number or a listing that names your machine. Capacity in cups alone is not enough.