Cochlear Nucleus 5 Power Bank Charger Replacement – Dual Battery

The Cochlear N5 Battery Charger is a replacement dual battery charger with a built-in power bank for Cochlear Nucleus 5 rechargeable batteries, used on the CP810 and CP802 processors. Charge it at home like any charger, then take it with you: put a battery in a slot and it charges from the power bank, with no socket needed. It holds two battery modules at once and costs $115.

It is made for the days you are away from home: a full day at work, a flight, a school trip or a long day out. Keep one battery on your processor and a spare charging in your bag, and you are not tied to a wall socket. We keep this charger in stock, dispatch it within 24–48 hours worldwide and check your setup on WhatsApp before you pay.

Cochlear N5 Battery Charger at a glance

Charges	Cochlear Nucleus 5 rechargeable battery modules
Processors	Nucleus 5 CP810 and CP802
Design	Dual charger with built-in power bank
Slots	Two batteries at once
Price	$115
Condition	New, third-party replacement charger
Dispatch	24–48 hours, tracked
Guarantee	14 days on wrong or defective items

You do not put the processor on the Cochlear N5 Battery Charger. You remove the rechargeable battery module from the bottom of your Nucleus 5, place it on a charging point and clip it back once it is full. With two points, your daily battery and your spare charge side by side.

A dual charger suits the way most Nucleus 5 users live. One battery is on the processor during the day, and the other waits in a bag or pocket. At night both go on the charger, and the cycle starts again in the morning. With only one working slot, that routine breaks down quickly.

Will this Cochlear N5 Battery Charger work with my batteries?

Battery	Works here?	Otherwise choose
Nucleus 5 CP810 rechargeable batteries	Yes	Charge them here
Nucleus 5 CP802 rechargeable batteries	Yes	Charge them here
Nucleus 6 batteries	Not listed for this charger	Our Nucleus 6 dual charger with power bank
Nucleus 7 batteries	No	Our Nucleus 7 charger
Nucleus Freedom batteries	No	Our Freedom battery charger Z60839

The CP810 is the standard Nucleus 5 processor, and the CP802 is the behind-the-ear version in the same family. Both use Nucleus 5 rechargeable battery modules, so one charger covers either. If your old battery shows reference number Z407011, it is a Nucleus 5 standard module and belongs on this charger.

Some people search for this part as a CP802 charger or an N5 charger. They all mean the same thing. If you are not sure which processor you have, send us a photo and we confirm before you order the Cochlear N5 Battery Charger.

Keeping a Nucleus 5 charged for years to come

Many people keep their Nucleus 5 for years because it still works and sounds good to them. A reliable charger is what keeps it that way: fresh batteries every morning, and a spare you can charge on the go with the power bank.

A charger is the foundation of a rechargeable setup. Batteries come and go, but without a working charger none of them help you. If you rely on your Nucleus 5 every day, or keep one as a backup to a newer processor, a fresh charger is one of the simplest ways to make sure it stays ready. Users with old chargers that work only on a good day often find a new unit removes a lot of daily worry.

It also helps to keep a note of what your setup includes: processor model, number of batteries, coil cable length and charger. If anything fails, you know exactly what to replace, and you can send us that list on WhatsApp to get the right part the first time.

Signs your N5 charger needs replacing

• Batteries are only partly charged after a full night.
• The charger works only when you wiggle the cable or press the plug in a certain way.
• One charging point has stopped working.
• The indicator lights stay dark, flicker or flash when a battery is in place.
• The cable has cracks, tape repairs or bare spots near the plug.
• The charger runs warm or smells hot.

Cable damage on an old charger is more than a nuisance. A cracked sleeve can expose wires, so a charger with visible damage should be retired rather than patched.

Another sign is a battery that seems to work on one charger but not another. If you have access to a second charger, compare them. A battery that charges normally elsewhere but not on your old unit points clearly to the charger rather than the battery.

How to charge batteries on the Cochlear N5 Battery Charger

1. Plug the charger in as shown in the product photos and let the unit and its power bank charge.
2. Remove the rechargeable battery from your Nucleus 5 processor.
3. Check the battery contacts. If they look dusty or damp, wipe them with a soft, dry cloth.
4. Seat the battery firmly on a charging point. Add your spare to the second point.
5. Wait until the indicators show both batteries are full.
6. Clip one battery back onto your processor and keep the other with you.

The built-in power bank lets you charge a battery when there is no socket, as long as you filled the bank before leaving home. It is useful during power cuts, in the car or on a day out.

Most people find overnight charging the simplest habit. Put both batteries on the Cochlear N5 Battery Charger at bedtime, and in the morning clip one on and pack the other. If you share a home with another Nucleus 5 user, a second charger avoids arguments over who gets the slots.

Troubleshooting Nucleus 5 charging problems

What you notice	Likely cause	What to try
No indicator when a battery is placed	No power, or the battery is not seated	Check the plug and cable, then press the battery firmly into place.
Indicator flashes	Dirty contacts or a worn battery	Clean the contacts with a dry cloth. Try a second battery to compare.
Charging away from home fails	The power bank is empty	Charge the whole unit before you leave.
Batteries charge but die quickly	Batteries have aged	Replace them with our Nucleus 5 rechargeable battery.
Sound cuts out even on a full battery	Coil cable fault, not the charger	Check the Nucleus 5 coil cable.

If the Cochlear N5 Battery Charger itself turns out to be faulty, message us within 14 days with a short video.

How to make your Cochlear N5 Battery Charger last longer

• Unplug by holding the plug, not by pulling the cable.
• Do not wind the cable tightly around the charger.
• Keep the charging points dust-free with a weekly wipe.
• Charge on a hard, open surface, away from radiators and sunny windows.
• Give the power bank a full charge every few weeks, even if you rarely use it.
• Dry your processor overnight in a drying box such as our electric dryer, so batteries reach the charger clean and dry.

Looked after this way, a Cochlear N5 Battery Charger can last for years. The batteries are what wear out with daily use, usually after about a year.

Keep the charger somewhere you will see it every day, such as a bedside table. A charger that lives in a drawer is easy to forget, and a forgotten charge means a short day of hearing.

Is a replacement charger safe for my Nucleus 5 batteries?

This is a third-party charger made for Nucleus 5 battery modules. It is not a Cochlear-branded product, and we do not claim to be Cochlear or an authorised dealer. We are an independent shop for compatible spare parts, and we say so clearly.

Users often ask whether a charger from another maker might harm their batteries. Every unit is checked before dispatch to confirm that it powers on and charges Nucleus 5 batteries normally. If yours does not, or if anything seems wrong, stop using it and contact us. We replace it or refund you and cover the return shipping.

Using a new charger to test old batteries

A new charger is also a useful test tool. If you have a drawer of old Nucleus 5 batteries and are not sure which still work, charge each one fully on the Cochlear N5 Battery Charger and then wear it for a normal day. Note how long each lasts before the low-battery warning.

Batteries that fall well short of the others are ready to be replaced. Batteries that still give you a good day can stay in rotation. This way you only buy what you need, and you stop carrying a battery that lets you down halfway through the afternoon.

If you do find weak batteries, our Nucleus 5 rechargeable battery is a direct replacement. Pairing one or two fresh batteries with a new Cochlear N5 Battery Charger gives you a complete, reliable setup again.

Shipping, payment and returns for the Cochlear N5 Battery Charger

Every Cochlear N5 Battery Charger order is packed and dispatched within 24–48 hours with tracking. Delivery usually takes 12–22 business days worldwide, and duties are handled for you on most routes, so there is nothing extra to pay at the door. Shipping is free on orders over $250, which is easy to reach if you add a spare cable or charger.

Payment runs through a secure payment gateway with all major cards. If we send the wrong item, or the part arrives defective or damaged, message us within 14 days with a short video. We replace it or refund you, and we cover the return shipping. Change-of-mind returns are not accepted on hygiene-sensitive hearing parts. Full details are in our return policy.

Other Nucleus 5 parts you may need

Keep your Nucleus 5 working with these matching spares:

• Cochlear Nucleus 5 rechargeable battery – a fresh battery to go with your new charger
• Cochlear Nucleus 5 coil cable – for sound that cuts in and out or a frayed cable
• Cochlear Nucleus 5 microphone covers – fresh covers for clearer sound
• Electric dryer for cochlear implant processors – overnight drying for processor and batteries

Signs your old charger needs replacing

• Batteries come off the charger still showing low, or the processor warns of a low battery soon after charging.
• The charging lights flash, stay off, or show a different colour from usual.
• One slot works and another does not.
• The battery has to be wiggled or pressed for the light to come on.
• The cable or plug is worn, bent or warm to the touch.

When a charger starts to fail, it can leave CP802 rechargeable batteries only half charged, and you lose hours of hearing without noticing why. Replacing the charger is often cheaper than replacing several batteries that seem weak but are simply not being charged fully.

A good nightly charging routine

1. Take the CP802 rechargeable batteries off the Nucleus 5 processor before bed.
2. Wipe the battery contacts with a soft, dry cloth.
3. Place each battery firmly in the Cochlear N5 Battery Charger and check that the light comes on.
4. Keep the charger on a hard, cool surface, away from heaters, sunny windows and pillows.
5. In the morning, check each battery shows full before you leave home.

A steady routine helps every battery reach a full charge and spreads wear evenly across your batteries, so the whole set lasts longer.

Travelling with the Cochlear N5 Battery Charger

Pack the Cochlear N5 Battery Charger and its power supply in your hand luggage together with your batteries, so you can charge at the airport or hotel if a flight is delayed. Spare lithium batteries for medical devices should travel in your carry-on bag, not in checked luggage. A small plug adapter for the country you visit is usually all you need. Many families keep a second charger at a grandparent’s home, at school or at work, so a forgotten charger never means a day without sound.

Why a spare Cochlear N5 Battery Charger makes sense

Chargers fail without warning, and official replacements can take a week or more to arrive. Having a second Cochlear N5 Battery Charger means you can keep hearing while you sort out the first one. It also lets bilateral users or families with two users charge all batteries at once. For parents, a spare charger in the school bag or at the other parent’s home removes a common cause of missed hearing time.

Buying checklist for the Cochlear N5 Battery Charger

• Check the model printed on your Nucleus 5 processor before you order.
• Count how many batteries you charge each night.
• Add a replacement battery to the same order if your batteries are more than a year or two old.
• Keep your order email: it has your tracking number and our WhatsApp contact.

Why buy from CochlearSpare? We focus only on cochlear implant spare parts, dispatch within 24–48 hours with tracking, take payment through a secure payment gateway, and answer fitting questions on WhatsApp. CochlearSpare Ltd is a registered UK company.

Cochlear N5 Battery Charger FAQ

Does it work with both the CP810 and the CP802?

Yes. The Cochlear N5 Battery Charger charges Nucleus 5 rechargeable batteries from both versions.

Will it charge my Z407011 battery?

Yes. Z407011 is the reference for the standard Nucleus 5 rechargeable module.

How many batteries can I charge at once?

Two.

What does the power bank do?

It stores power so you can charge a battery away from a socket. Charge the unit fully first.

Can I charge Nucleus 6 batteries on it?

It is listed for Nucleus 5 batteries. For Nucleus 6, choose our Nucleus 6 dual charger with power bank.

Can I put disposable batteries on it?

No. Only rechargeable Nucleus 5 battery modules go on this charger.

My old charger still works sometimes. Should I replace it?

If it works only some of the time, or the cable is damaged, yes. A Cochlear N5 Battery Charger that charges reliably every night is worth more than one that might.

Do I need my clinic to set it up?

No. The charger needs no programming. Place your batteries on it and they charge.

What if it arrives faulty?

Message us within 14 days with a short video. We replace it or refund you and pay for the return.

Can I take it on a plane?

Yes. Pack the Cochlear N5 Battery Charger in your hand luggage, keep batteries in a case, and follow your airline rules for power banks.

Questions about your Nucleus 5? Message us on WhatsApp (+1 520 473 4179) with a photo of your processor and we confirm the right part before you pay.