As compact as the portable Apple Watch chargers are — good for probably one or two charges depending on how small your Watch battery is — this small disk from Choetech packs the 900mAh battery. The only fault: When the latter is topped off, it will not automatically stop charging, so you may need some strategic features on how to charge it. There is a $5 coupon on your product page: clip it off to grab it for$40.
MFI Certified Wireless Charger: Approved by MFi. The wireless Apple Watch charger can provide safe charging for your Apple Watch With built-in protections of over-current, over-voltage, short-circuit, and over-temperature. Do not risk damaging your watch with cheap alternatives
Compact & Portable: You can carry this compact portable charger out easier rather than taking long and oversized charger dock. Just slide it into your pocket or hook it on the bag. The built-in 900mAh battery can charge Apple Watch Series 1 five Times, Series 2 four Times, Series 3 there Times, Series 4 twice. Great for trips
Compatible: The Apple Watch keychain charger is compatible with All 38mm 42mm Apple Watch, including Apple Watch Series 5/4/3/2/1, Apple Watch Sport, and Apple Watch Edition
Intelligent LED Light: With four Blue LED battery level indicators, you can view the remaining battery capacity easily. 25% Power increments can inform you how much power is left at any time
What You Get: 1*CHOETECH Apple Watch Portable Charger, 18-Months Warranty & Friendly Customer Service