Power for the Next Generation Power for the Next Generation Synergy Digital is a family-owned manufacturer and distribution house that specializes in servicing the battery needs of independent electronic retailers nationwide and online. As technology constantly advances, Synergy Digital strives to remain on the cutting edge of battery technology. Synergy Digital brand products are all tested, well-produced batteries, battery chargers, and other accessories, assuring we can continue to deliver the most advanced products for many years to come. High-Energy-Density All Synergy Digital Cordless phone batteries have the capacity to provide long-lasting, continual use. Boasting a high-energy density and high-power capability at a more constant rate, these batteries are made of Nickel Metal Hydride to provide long-lasting, reliable power. In fact, the high hydrogen content of Nickel Metal Hydride is double the battery capacity compared to nickel-cadmium batteries. Long-Lasting Power Using these powerful Synergy Digital Ultra Hi-Capacity Cordless Phone Batteries, you can keep your cordless phone consistently powered for longer periods of time. Ni-MH batteries deliver substantially more current than any other battery in its class, boosting performance when servicing high-drain devices. In addition, each Synergy Digital battery is made with high-quality Japanese cells to ensure long-lasting use, so you never have to worry about draining off the battery the moment you really need it. Long-Term Value with Less Waste These Synergy Digital cordless phone rechargeable ultra-high capacity batteries can be charged over and over thousands of times, so there is less waste. Simply charge your cordless phone with the battery inside – and enjoy ultra-strong power for your device time and time again. Not only do you get more bang for your buck, but Nickel Metal Hydride is also free of toxic heavy metals. As such, these batteries are recyclable and safer to use. 100% Compatible Synergy Digital Batteries are 100% compatible with the original OEM battery. Its ultra-high-capacity provides longer-lasting use than the original OEM battery. Therefore, you can rest assured that your cordless phone will perform at its highest standard possible.