Description
Product Overview
The CR2016 Battery Kit is engineered for Toyota smart key fobs, delivering OEM‑grade performance in a compact travel‑size package. Each kit contains two genuine CR2016 lithium metal cells, a specialized pry tool, and instant access to a step‑by‑step installation video. The batteries provide a stable 3 V output, long shelf life, and reliable signal transmission, eliminating the common issue of intermittent key fob response. Dimensions of the packaging (3.58 × 2.05 × 0.28 in) ensure it fits easily in a glove compartment or emergency kit.
Usage
Designed for everyday drivers, fleet managers, and roadside assistance professionals, this kit simplifies battery replacement for a wide range of Toyota models, including Camry, Corolla, Highlander, 4Runner, Avalon, Prius C, Sequoia, Tacoma, and Tundra. Whether you’re at home, in the office, or on a road trip, the kit’s lightweight design (0.16 oz) and included pry tool let you swap batteries in under five minutes without damaging the fob shell. 
Why Choose Us
Key Battery Outlet stands out with its commitment to OEM‑spec quality and user‑friendly design. The CR2016 cells match the original Toyota part numbers (HYQ12BBY, HYQ12BDC), guaranteeing voltage consistency and longevity. Our precision pry tool is molded to fit Toyota fob housings, reducing the risk of cracks or internal damage. Additionally, the included video tutorial, hosted on a secure platform, walks users of any skill level through the entire process, from opening the fob to re‑securing the battery compartment.
Key Features
- Two genuine OEM‑grade CR2016 lithium batteries for reliable 3 V power.
- Specialized pry tool designed for Toyota key fob shells, ensuring damage‑free opening.
- Step‑by‑step video tutorial accessible via QR code for quick, confident installation.
- Compact 2‑pack travel kit fits neatly in glove compartments or emergency bags.
- Broad compatibility with major Toyota models; fitment guide included.
FAQ
What Toyota models are compatible with this kit?
The kit works with any Toyota key fob that uses a CR2016 battery, including Camry, Corolla, Highlander, 4Runner, Avalon, Prius C, Sequoia, Tacoma, and Tundra. Refer to the fitment guide in the product images for model‑specific confirmation.
Do I need any tools besides the included pry tool?
No additional tools are required. The precision pry tool is engineered to fit the seam of Toyota fobs, allowing you to open the case safely and re‑close it securely after battery replacement.
How long do the batteries last?
OEM‑grade CR2016 cells typically provide 2‑3 years of service in a key fob under normal driving conditions, thanks to their stable 3 V output and low self‑discharge rate.
Can I use this kit for non‑Toyota key fobs?
The batteries themselves are standard CR2016 cells and can power any device that requires this size. However, the pry tool is specifically shaped for Toyota fob housings, so for other brands you may need a different opening tool.
Is the installation video available offline?
Yes. After purchase you receive a QR code that links to a downloadable video file, allowing you to view the tutorial without an internet connection.




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