I am sure the battery is charged as I left it on overnight, and there is an indicator that it was charging. However, when I took it out the next morning, I could not power it on.
The original price is US$155.68 and after the coupon discount it is US$125.68 (S$177.16). The coupon discount is automatically applied before checkout after you click on the “Clip $30.00 Off Coupon” button. In Singapore, the same toothbrush is selling for S$329 at Robinsons and Tangs.