Single Cell Batteries are not all the same so when you choose the HF-A1U (replacement for SANYO) you choose durability and strength. Man1's process for manufacturing the HF-A1U is high-tech making it one of the best HF-A1Us on the market today. It's also built to meet or exceed the original SANYO specs. Whether its selection, quality or our great discount prices you'll find that BatteryTex is the ultimate battery source. With thousands of batteries to choose from and extremely low prices you'll see why BatteryTex is your one-stop-shop for replacement batteries. Drop us a line with any questions or for bulk discount information at 1-888-825-6661. We look forward to hearing from you! Click here to find other Single Cell Batteries batteries. If you want to save more on great batteries from SANYO - see our selection here. With lower costs, better materials, and greater efficiency, batteries now offer more bang for the buck. Battery warranties can run from one year to more and this depends on the type of battery and the manufacturer. For specifics contact us with the battery in question. ***NO LONGER AVAILABLE ******USE HF-A1U***