Hearing aids are a major investment, but the device itself is just the beginning—accessories can make them more effective, comfortable, and durable. Whether you're new to hearing aids or upgrading after years of use, knowing what extras are worth buying can save you money and headaches down the road. Let's break down the accessories that actually matter and which ones might be nice-to-have.
Cleaning and Maintenance Tools
Your hearing aids pick up earwax, moisture, and dust daily, so proper cleaning extends their lifespan significantly. Most audiologists include a basic cleaning brush and wax pick with your initial purchase, but a dedicated cleaning kit ($15–$40) offers more thorough maintenance tools.
Look for kits that include a soft brush, wax removal tool, and lint-free cloths. Some premium sets add a dry-aid capsule or small drying box to absorb moisture overnight—especially valuable if you live in a humid climate or sweat frequently. Replace wax guards and filters every 1–3 months depending on your ear's natural wax production; replacement packs cost $10–$20 for a year's supply.
Dehumidifiers and Drying Solutions
Moisture is hearing aids' worst enemy. A simple overnight drying box ($20–$60) with replaceable desiccant cartridges keeps your devices dry and functional longer. Electric dehumidifiers ($50–$150) work faster and are reusable indefinitely, making them cost-effective if you're prone to ear moisture or live somewhere humid.
Battery-powered or manual hand dryers designed for hearing aids ($30–$80) also exist, though they're less essential if you use a drying box nightly. Check your device's warranty—some audiologists recommend specific brands, and using non-approved methods could void coverage.
Batteries and Charging Solutions
Battery type depends entirely on your hearing aid model. Zinc-air disposable batteries (sizes 10, 13, 312, or 675) cost $0.50–$1.50 each and last 3–10 days. A 30-pack from most pharmacies or online retailers runs $15–$25.
If your aids are rechargeable, you'll need a certified charger—typically included but replacement chargers cost $100–$300. Portable charging cases ($80–$200) extend all-day wear and are essential for travel. Some newer models support standard USB-C charging, cutting replacement costs significantly.
Budget for batteries or charging dock replacements every 2–3 years as components wear out.
Protective Cases and Carrying Solutions
A durable case ($20–$50) protects your aids from drops, moisture, and loss. Look for cases with moisture-absorbing interior linings and compartments for batteries or drying capsules. If you travel frequently, a waterproof case ($30–$70) with a waterproof carrying pouch for your charger is worth the investment.
Key chains with small attachment loops ($5–$15) help prevent misplacement at home or in public.
Hearing Aid Dome and Ear Mold Replacements
Domes (for behind-the-ear aids) and custom ear molds wear out or get uncomfortable over time. Standard replacement domes cost $10–$30 per pair and last 3–6 months. Custom ear molds ($100–$300) require an audiologist appointment but last 2–5 years and fit perfectly for your ear canal.
Silicone sleeves ($15–$25) can extend the life of domes if yours are merely loose rather than damaged.
Streaming and Connectivity Accessories
If your hearing aids connect via Bluetooth, a TV streamer ($200–$400) sends audio directly to both aids, bypassing room speakers. Phone streamers ($150–$300) do the same for calls. These aren't essential but dramatically improve listening comfort and speech clarity in those scenarios.
Quick Accessory Checklist
- Cleaning kit with wax removal tools
- Drying box (manual) or electric dehumidifier
- 6–12-month battery supply or certified charger
- Protective carrying case
- Replacement domes or ear molds (order 1–2 months before current set wears out)
- TV or phone streamer (optional but valuable)
When to Buy Versus When to Ask Your Audiologist
Your audiologist may bundle some accessories into your initial fitting package. Ask specifically what's included before purchasing separately. They also provide expert recommendations on your specific model's needs and may offer package discounts on bundles.
Mercoly helps you compare trusted hearing aid providers and find the right accessories for your device in one place.
Frequently Asked Questions
Q: How often should I replace hearing aid domes? Domes typically last 3–6 months before becoming less comfortable or losing their seal. Replace them when you notice wax buildup, hardening, or a loose fit.
Q: Are expensive hearing aid cases necessary or just marketing? Standard protective cases ($20–$30) are genuinely necessary to prevent damage, but premium versions with extra compartments are nice-to-have. Waterproof cases become essential only if you're near water regularly.
Q: Can I use any charger with my rechargeable hearing aids? No—always use the manufacturer's certified charger. Using incompatible chargers risks battery damage or device failure and may void your warranty.
Start with cleaning supplies and a protective case, then add connectivity or comfort accessories based on your daily routine.