20% off all Whistle smart devices*

20% off all Whistle smart devices*

Smart Collars

Get the full story of your pet’s health.
Which Whistle is right for you?
No GPS
Whistle

Health

Whistle

Health & GPS

Whistle

Health & GPS+

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Accessories

Treat them to a little something extra
Whistle

Collars

Give their new smart device a personal touch

Whistle

Leashes

Now walks can be a style moment too

Whistle

Batteries & Parts

Stay connected, so you never miss a moment

Whistle

Tote Bags

The perfect pet parent carry-all

Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle
Load image into Gallery viewer, Whistle SWITCH Battery - Whistle

Whistle Health & GPS+ Battery

$49.99
$49.99
Sold out
Whistle SWITCH Battery - Whistle
Whistle Health & GPS+ Battery
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$49.99
Choose plan

Get different battery colors to swap in and out, so your pup can have styles for every side of their personality.

  • Includes two batteries
  • Comes in five color options
  • Made of lithium-ion and durable plastics
  • Each battery lasts an average of 15 days
      Accessorize your smart collar
      Whistle SWITCH Battery - Whistle
      Whistle Health & GPS+
      Whistle Health & GPS+ Battery
      $49.99
      Whistle Health & GPS+ Collar - Whistle
      Whistle Health & GPS+
      Whistle Health & GPS+ Collar
      XS/S
    • XS/S
    • S/M
    • M/L
      • $29.99

      *Receive 20% off Whistle Health, Whistle Health & GPS, and Whistle Health & GPS+ while supplies last or by 08/19/22 at 11:59PM PT on whistle.com. Offer is nontransferable. Not valid on previous purchases, purchases of accessories, replacement parts, or shipping & handling charges. Cannot be used in conjunction with other codes. Whistle™ may modify or cancel offer at any time.

      Questions?

      We’re here 10am - 6:30pm EST every day.
      Phone: 1-855-999-0471

      Call us
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      checkout
      1-year
      warranty
      Free
      shipping
      Free
      returns
      30 days
      risk free

      1-year warranty

      If you experience any technical issues within one year of purchase, we'll troubleshoot and replace the device without charge if necessary. 

      Read more on our FAQ page

      Health monitoring 

      Track licking, scratching, eating, drinking, and sleeping to get a comprehensive picture of your pet’s health.

      Fitness features

      Set personalized activity goals based on breed, weight, and age. Track distance traveled, calories burned, and hours of rest.

      GPS tracking

      Know your pet’s exact location with GPS tracking powered by AT&T's 4G LTE-M network. Subscription plan required.

      Ask a vet

      Have a pet care question? Get free access to vet expertise through chat, call, video, and email.

      24-Hour timeline

      Get a detailed breakdown of their day to see when they were resting, playing, and exercising. 

      Food calculator

      Find out exactly how much food to give them based on their breed, weight, age, and brand of dog food. 

      How To Measure:
      1

      Grab a string, shoelace, or paper strip to measure the base of your dog’s neck.

      2

      Measure the circumference, leaving room to fit two fingers (about 1.25-1.5’’).

      3

      Select your size using the guide below. Between sizes? We suggest sizing up.

      Need Help? Give us a call: 1-855-999-0471

      Size Guide
      XS/S

      NECK SIZE: 8"- 11"

      FOR DOGS: 5-25 lbs

      BREEDS LIKE: Russell Terrier, Dachshund

      S/M

      NECK SIZE: 12"- 18"

      FOR DOGS: 10-55 lbs

      BREEDS LIKE: Beagle, Cocker Spaniel

      M/L

      NECK SIZE: 16"- 24"

      FOR DOGS: Up to 75 lbs.

      BREEDS LIKE: Labrador Retriever, German Shepherd

      Need Help? Give us a call: 1-855-999-0471