21033886

The Kidde 21033886 Smoke and Carbon Monoxide Detector Battery and LED Alarm Pack is an essential safety device designed to protect your home from potential fire and carbon monoxide hazards. This 2-in-1 alarm system comes with a 9-volt battery, which is compatible with Kidde i12010 and i12010S Smoke and Carbon Monoxide Combination Alarms, as well as Kidde KN-COSM-BA and KN-COB-B Alarms.

The battery pack features a 20-year sealed lithium battery that ensures long-lasting performance and eliminates the need for regular battery replacements. This feature not only saves you time and money but also reduces the frequency of testing and maintenance required for your smoke and carbon monoxide detectors.

The LED alarm in the Kidde 21033886 pack comes with a bright, easy-to-see red light that illuminates when the alarm is triggered. This visual cue supplements the loud 85dB alarm, making it easier for you to identify the source of the danger in your home, even if the room is dark. The LED light also functions as a low-battery indicator, letting you know when it's time to replace the battery or the entire smoke and carbon monoxide detector.

This pack is designed for easy installation. Simply remove the old battery from your smoke or carbon monoxide detector and replace it with the new one from the Kidde 21033886 pack. The included jumper clip makes the battery replacement process even more convenient.

The Kidde 21033886 Smoke and Carbon Monoxide Detector Battery and LED Alarm Pack is an indispensable addition to your home safety system. Regularly testing and maintaining your smoke and carbon monoxide detectors is crucial in ensuring the overall safety of your family and property. With the Kidde 21033886 pack, you can enjoy peace of mind knowing that your detectors are always ready to alert you in case of an emergency.

Kidde 21033886 Smoke and Carbon Monoxide Alarm Battery and LED Pack - A Comprehensive Analysis

The Kidde 21033886 Smoke and Carbon Monoxide Alarm Battery and LED Pack is designed to ensure the uninterrupted operation of your Kidde smoke and carbon monoxide alarm systems. This pack includes 20 batteries, LEDs for low battery indication, and a loud 85dB alarm. In this analysis, we will examine the key features, benefits, and potential drawbacks of this product.

1. Long Battery Life: Each battery in this pack is expected to last up to 5 years, providing extended protection against smoke and carbon monoxide hazards.

2. LED Indicators: The LED lights on the smoke and carbon monoxide alarms provide an easy-to-see visual indication of low battery status.

3. Compatibility: These batteries are specifically designed for use with Kidde smoke and carbon monoxide alarms.

4. Loud Alarm: The 85dB alarm is loud enough to wake most people, ensuring effective warning in case of an emergency.

1. Convenience: With this pack, you can replace the batteries in all your Kidde smoke and carbon monoxide alarms at once, ensuring peace of mind and safety.

2. Cost-Effective: Buying batteries in bulk can save you money over time, as opposed to purchasing them individually.

3. Long-term Protection: The long battery life ensures that your alarms remain functional and effective in protecting your home and family for an extended period.

1. Limited Compatibility: These batteries are only compatible with Kidde smoke and carbon monoxide alarms, so they may not be useful for other brands or types of alarms.

2. Potential Waste: Buying a large pack of batteries may result in unnecessary waste if you only have a few alarms that require new batteries.

The Kidde 21033886 Smoke and Carbon Monoxide Alarm Battery and LED Pack is an excellent investment for homeowners with multiple Kidde smoke and carbon monoxide alarms. Its convenience, cost-effectiveness, and long-term protection make it a worthwhile purchase. However, its limited compatibility and potential waste may deter some consumers.

If you own multiple Kidde smoke and carbon monoxide alarms and are due for battery replacements, the Kidde 21033886 Smoke and Carbon Monoxide Alarm Battery and LED Pack is an excellent choice. Its benefits far outweigh its drawbacks, and it offers peace of mind and safety for your home and family. If you only have a few alarms or use a different brand, consider purchasing individual batteries as needed.

Details:

Reduced false alarms: uses advanced sensing technology that helps distinguish between real smoke and everyday cooking or steam; reduce false alarms while maintaining quick, accurate detection when is present. Kidde smoke detector, aa battery powered led status lights, 85 db alarm, 5-inches, 20SDR, 3 pack: smoke detection: model 20SDR detects smoke over 25% faster ; sounds a loud 85-decibel alarm with red light for clear visual warnings; suitable homes. Test hush button: allows quick testing of alarm functionality to help ensure the unit is operating properly; temporarily silences false alarms that may occur without disabling detector for continued safety monitoring.

specifications mersmallets:

• brand: Kidde
• mpn: 21033886
• model: 20sdr
• type: Standing
• size: 3 Pack
• color: White
• material: Other
• power source: Battery Powered
• features: Standard
• insect repellent treated: No
• upc: 047871338863

seller mersmallet's:

• city: phoenix, arizona
• # reviews: 4089
• rating: 99.1%

payments mersmallet's:

• wallet: paypal
• other
• credit card: discover

general mersmallets:

• category: Home & Garden > Workshop Equipment > Hand Tools > Hammers Mallets

returns mersmallet's:

• method: money back
• paid by: seller
• policy: returns accepted
• time: 30 days

offer mersmallet's:

• in stock #: 5
• started: may 14, 2026
• prices: $8.00–$129.99
• item condition:
  • Open box
  • New
  • Used
• sold #: 8
• availability: in stock
• options: ship-to-home
• best offers: true

shipping mersmallet's:

• class: expedited
• carrier: fedex
• type: fixed
• transit: 5-6 days
• service: fedex 2day

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• 21033881: DETECTOR BATTERY, Kidde
• 21029754: DETECTOR, Kidde