2011 Honda Accord Key Fob Battery: Deluxe CR1616
The 2011 Honda Accord key fob uses one CR1616 3V lithium coin battery. It is about 16mm wide and 1.6mm thick. The Deluxe pack gives you two cells, and a small Phillips screwdriver is the only tool Honda’s steps call for.
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Will This Battery Work in a 2011 Accord Key?
Honda’s owner’s manuals list CR1616 as the battery type for the Accord remote transmitter. The Deluxe pack is listed as CR1616 for Honda keys. Run this quick check before you buy.
The Accord year range in the product listing is advertised fitment, not an independent test. If your key was replaced with an aftermarket one, read the battery code inside it before you order.
Deluxe CR1616 Specifications
| Property | Detail |
|---|---|
| Brand / product | Deluxe Batteries, Key Fob Replacement Batteries for Honda CR1616 |
| Battery type | CR1616 lithium coin cell |
| Pack size | 2 batteries |
| Nominal voltage | 3 V (CR1616 format) |
| Dimensions (CR1616 format) | About 16 mm diameter × 1.6 mm thick |
| Rechargeable | No, single-use |
| Honda-specified battery | CR1616 (Accord owner’s manuals) |
| Advertised Accord fitment | 2003–2013 |
| Other advertised Honda fitment | Civic, CR-V, Pilot, Odyssey, Fit, Ridgeline |
| Capacity | Not published by the brand in sources checked |
| Shelf life / runtime | Not published by the brand in sources checked |
| Operating temperature | Not published by the brand in sources checked |
| OEM status | Aftermarket, not listed as a Honda genuine part |
Voltage and size describe the standard CR1616 format. Capacity, shelf life and temperature range vary by brand, and no sourced Deluxe figures were found for them.
Accord Key Battery Replacement Difficulty
This is an easy job. Honda’s steps need a small Phillips screwdriver and your fingernail. The fiddly parts are the small screw and the two tabs on the inner cover. Tap a slice to highlight it.
- 20% Opening the outer case
- 35% Releasing the inner cover
- 25% Getting the orientation right
- 20% Reassembly & testing
The difficulty score and effort split are an editorial estimate based on Honda’s replacement steps, not an official rating.
How to Replace Your Accord Key Battery
Tap each step to tick it off as you go.
- 1Remove the screwUse a small Phillips screwdriver to take out the screw at the base of the key. Go gently with it.
- 2Split the outer casePry the middle seam of the key apart with your fingernail.
- 3Release the inner coverInside the key, separate the inner cover from the keypad by releasing the two tabs on the cover, then lift out the old CR1616. Keep it away from children and pets.
- 4Insert the new CR1616Place the battery into the back of the cover with the positive (+) side facing down.
- 5Reassemble and testPut the parts back in reverse order, then test the lock and unlock buttons at the car.
Open the key again and check the battery is the right way round and seated flat. Make sure the inner cover and case are fully closed. Then try the second CR1616 from the pack.
Honda’s battery steps do not include reprogramming. Replacing the whole transmitter is a different job.
Other Devices That Use a CR1616
CR1616 cells power remote keys and other small electronics. Honda fitment below is as advertised for this pack. Confirm the battery type in your device or key before you buy.
- Honda AccordAdvertised 2003–2013
- Honda CivicAdvertised 2006–2013
- Honda CR-VAdvertised 2005–2013
- Honda PilotAdvertised 2005–2015
- Honda OdysseyAdvertised 2005–2017
- Honda FitAdvertised 2007–2014
- Honda RidgelineAdvertised 2006–2014
- Keyless entry remotesOther makes, if CR1616
- Memory backupKeeps settings saved
- Price tagsRetail tags
Safety, Storage & Disposal
A swallowed button or coin battery can cause serious injury and, in the worst cases, death. It can burn through the throat in as little as two hours. Even a dead battery can still be harmful. If you suspect a child swallowed one, get medical help right away. In the US, call the National Battery Ingestion Hotline on 800-498-8666 or the Poison Help line on 800-222-1222.
- Never recharge, crush, open or burn it.
- Keep new, spare and used cells out of children’s reach.
- Keep used cells out of household trash and recycling bins.
- Tape the terminals or bag each cell, then use a battery collection point.
2011 Accord Key Battery: FAQ
What battery does a 2011 Honda Accord key fob use?
Honda’s owner’s manuals list a CR1616 3V lithium coin cell for the Accord remote transmitter.
How many batteries does the key need?
One CR1616 per key. The Deluxe pack contains two: one replacement and one spare.
Which way does the CR1616 go in the key?
Honda’s instructions say to insert the new battery into the back of the inner cover with the positive (+) side facing down.
Do I need to reprogram the key after changing the battery?
Honda’s battery replacement steps do not include a reprogramming step. Replacing the whole transmitter is a different job.
Is the CR1616 rechargeable?
No. A CR1616 is a single-use lithium coin cell and must never be recharged.
When should I replace the key fob battery?
Honda says to replace it as soon as possible when you need to press the lock or unlock button several times before the doors respond.
How should I dispose of a used CR1616?
Do not put it in household trash or recycling bins. Tape the terminals or bag each cell individually and take it to a battery collection or hazardous-waste service. Keep used cells away from children.
