for-Forerunner-45 Showing the single result Sort by popularitySort by average ratingSort by latestSort by price: low to highSort by price: high to low 361-00104-00 100mAh 3.8V Battery for Forerunner 45 45s GPS Watch Replacement Sale! $43.99 Original price was: $43.99.$35.99Current price is: $35.99. Add to cart