The factories that we use to produce our Harman Kardon portable audio batteries in Shenzhen were selected after extensive quality tests comparing many of the major factories across China. Our products are tested to Australian electrical safety standards and are marked with the Australian C-Tick electrical safety mark, as found on products at retail stores in Australia.

All of our Harman Kardon Portable Audio batteries come with a 400 Day (13 Month) 100% Money Back Guarantee.