[. . . ] [. . . ] IMPORTANT: Be sure replacement battery is the same size, shape, voltage and polarity as the one you are replacing. Charge for 16 hours before first use. MODELS Panasonic: KX-TGA271A, KX-TGA271W, KX-TGA271B, KX-TGA272S, KX-TGA271, KX-TGA272, KX-TG2352W, KX-TG2382B, KX-TGA230B KX-TGA230W AT&T: EP5962, EP599S V-Tech: IP8100-1, IP811, I871, I5808 [. . . ] [. . . ]