Griffin Tech via Amazon offers its Travel Power Bank Apple Watch Battery for $34 shipped. As a comparison, this model typically sells for $50 or so. Our previous mention was $40. With its 1050mAh battery, this portable power supply will deliver up to 2.5 full Apple Watch charges. It is MFi-compliant, so you don’t have to worry about the welfare of your device. Rated 3.9/5 stars.
Griffin Power Bank for Apple Watch features:
- 1,050 mAh rechargeable battery provides up to 2.5 full charges for an Apple Watch
- Certified, MFI-compliant magnetic charging surface is built into the battery
- Battery charges via any 5-volt USB charger or computer USB port
- Charge status LED indicator