The Power to Keep You Going and Going The Power to Keep You Going and Going Synergy Digital is a family-owned manufacturer and distribution house that specializes in servicing the battery needs of independent electronic retailers of the public. As technology continuously progresses, Synergy Digital aims to remain on the cutting edge of battery chemistry and technology. Synergy Digital branded products are well-produced batteries, battery chargers, and other accessories, ensuring they can continue to deliver the most advanced products for many years to come. Synergy Digital – one of the world's largest manufacturers of primary batteries – delivers a powerful portfolio of groundbreaking products and consumer-led innovation all around the globe. As a global distributor of consumer products, our mission is to be the leader in these categories by better serving consumers. High-Energy-Density Each Synergy Digital Cordless phone battery has 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 Li-Ion to provide long-lasting, reliable power. 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. A Li-Ion battery delivers 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 Li-Ion is also free of toxic heavy metals. As such, these batteries are 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, your cordless phone will perform at its highest standard possible.