Titan-One New NiMH Battery For MOTOROLA TALKABOUT 270 280 T289 TA280SLK HNN9720 Titan Brand replacement battery for Motorola HNN9720MH 18 Month Warranty 100% compatible and meet or exceed OEM Specifications 7.2 Volt** Nickel Metal Hydride (Ni-MH)** 900mAH capacity Uses the highest quality graded and sorted cells