Quick Answer: A complete hearing aid accessory kit covers five bases: power (rechargeable charger or zinc-air batteries), protection from moisture (a dryer — roughly 80% of hearing aid repairs are moisture-related, per industry drying-product makers PerfectDry and Dry & Store), cleaning (a brush-and-pick kit plus correctly sized domes and wax guards), loss prevention (a retention clip), and storage (a hard-shell travel case). Below is a quick pick for each category, with a link to our full in-depth guide if you want the complete breakdown before buying.

Most first-time buyers budget for the hearing aid itself and stop there — then discover a few weeks in that the device alone doesn’t cover power, cleaning, or protection. None of these are optional add-ons a manufacturer invented to upsell you; each solves a specific, common failure mode. This guide is the fast version: one solid pick per category, so you can stock a complete kit in a single order instead of researching each piece separately.

Hearing aid accessories by the numbers

Best hearing aid accessories at a glance

CategoryQuick pickTypical priceFull guide
BatteriesRayovac Advanced zinc-air~$8–$15/packBest batteries
ChargerManufacturer rechargeable dock~$30–$60Best charger
Dryer/dehumidifierDry & Store Zephyr~$25–$60Best dryer
Cleaning kitBrush-and-pick multi-tool kit~$10–$20Best cleaning kit
DomesSized open/closed dome multipack~$10–$20Best domes
Wax guardsManufacturer-matched wax guard pack~$8–$15Wax guards guide
Retention clipEar Gear Original~$12–$20Best clip
Travel caseCASEMATIX hard-shell case~$15–$25Best travel case
Battery testerRayovac keychain tester~$6–$12Best battery tester

1. Batteries or a charger — power comes first

If your hearing aid takes disposable zinc-air cells, keep a running supply on hand rather than waiting until you’re down to one. If it’s rechargeable, the manufacturer’s own charging dock is almost always the right buy — third-party chargers risk a poor contact fit.

Rayovac Advanced Zinc-Air Hearing Aid Batteries

Sizes 10/13/312/675 · ~$8–$15/pack of 8–60
  • Standard zinc-air cells reach full rated voltage after the tab-pull activation window, so pull tabs a few minutes before you need them rather than the moment you insert the aid.
  • No carry-on restriction when traveling — pack a spare card in any bag.
Check price on Amazon →

Once you know your size, Amazon Prime’s free 30-day trial gets a fresh batch to your door in two days instead of scrambling to a pharmacy mid-week — worth it if you’ve ever been caught with a dead battery and no backup. Full sizing and brand comparison in our best hearing aid batteries and best hearing aid charger guides.

2. A dryer — the accessory that prevents the most failures

Dry & Store Zephyr

UV + fan drying · ~$25–$60 · nightly use
  • Pulls sweat and ambient humidity out of the device overnight, addressing the failure cause behind roughly 80% of repairs.
  • A five-minute cycle fits into a normal bedtime routine without adding real friction.
Check price on Amazon →

See our best hearing aid dryer guide for desiccant-only options if you want something cheaper and travel-friendly instead of an electric unit.

3. A cleaning kit and correctly sized domes/wax guards

A brush-and-pick cleaning tool clears earwax and debris from the microphone and receiver ports daily, while domes and wax guards need to match your exact model and size — check your device’s manual or app before ordering, since these aren’t universal across brands.

Hearing Aid Cleaning Kit

Brush, pick, magnet tool · ~$10–$20
  • Clearing debris daily prevents the muffled-sound complaints that often get mistaken for worsening hearing loss.
  • Pair with a sized wax-guard multipack matched to your specific model.
Check price on Amazon →

Full detail in our best hearing aid cleaning kit, best hearing aid domes, and wax guards guides.

4. A retention clip and a travel case — loss and impact protection

Ear Gear Original Retention Clip

Sleeve + cord · ~$12–$20 · fits most BTE/RIC styles
  • A cheap safeguard against a roughly $2,300-per-device replacement cost if an aid slips off during activity.
  • Pair with a hard-shell case like CASEMATIX for the suitcase itself — a clip protects against loss while worn, a case protects against being crushed in storage.
Check price on Amazon →

See the full rundown in our best hearing aid clip and best hearing aid travel case guides, plus hearing aid warranty coverage for what happens if a loss does slip through.

Building your kit in one order

  1. Confirm your exact model and size first — domes, wax guards, and chargers are brand- and often model-specific, so check your app or manual before ordering anything but batteries, a dryer, a case, or a clip.
  2. Start with power and moisture protection. These two categories prevent the most day-to-day problems and downtime.
  3. Add cleaning and loss-prevention gear next. A brush-and-pick kit and a retention clip round out daily-use protection.
  4. Buy a travel case last, once you know what else needs to fit inside it alongside the aids.

The bottom line

A complete hearing aid accessory kit doesn’t need to be complicated: batteries or a charger for power, a dryer for the moisture damage that causes most repairs, a cleaning kit plus correctly sized domes and wax guards for upkeep, a retention clip to prevent an expensive loss, and a travel case for storage. Each category above links to a full in-depth guide if you want brand-by-brand picks instead of the quick version — or browse the full hearing aid accessories selection on Amazon.