5., 0 out of 5 stars Date First Available January 16, 2018 Manufacturer Synergy Digital Synergy Digital AT-T/Lucent HS8243 Cordless Phone Battery A Ni-CD battery delivers substantially more current than any other battery in its class, boosting performance when servicing high-drain devices. Therefore, you can rest assured that your cordless phone will perform at its highest standard possible. High-Energy-Density Each Synergy Digital Cordless phone battery has the capacity to provide long-lasting, continual use. Its ultra-high-capacity provides longer-lasting use than the original OEM battery. This 2-pack gives you reliable power for your AT&T compatible cordless phones, using high-quality Ni-MH chemistry that delivers long-lasting performance. The... Synergy Digital? Replacement Battery for At&t/Avaya 2C1, Panasonic P-P301, Radio Shack 23-281, Sony BP-T16, Toshiba, Uniden BT-185 , Ni-CD, 3., 6 Volt, 400 mAh. 100% Compatible Synergy Digital Batteries are 100% compatible with the original OEM battery. 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. As a global distributor of consumer products, our mission is to be the leader in these categories by better serving consumers. 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 Lasting Rechargeable Batteries Synergy Digital Cordless Phone Battery, Compatible With Radio Shack 23281 Cordless Phone, (Ni-CD, 3.6V, 400 MAh), Replacement For Panasonic P-P301, Sony BP-T16, Uniden BT-185 Battery Synergy Digital Battery Combo Synergy Digital? is a Registered Trademark Synergy Digital Cordless Phone Batteries, Compatible with Panasonic KXTCM440 Cordless Phone, (Ni-CD, 3.6V, 400 mAh), Pack Includes As technology continuously progresses, Synergy Digital aims to remain on the cutting edge of battery chemistry and technology.