[. . . ] [. . . ] 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. INCORRECT CORRECT MODELS AT&T: 4200, 4210, 4300, 4336, 4410, 4600, 5200, 5210, 5830, 7220, 7215, 7310, 7340, 7345, 7610, 7620, 7625, 7630, 7640, 7700, 7710, 7720 Bell South: 672, 3675, 3890, 6750, 6860, 756BK, 768BK, 797BK, YCL-7701, YCL-7702, YCL-7703 Conair: CTP9000, CTP9010 GE: 2-6730, 2-6790, 2-9735, 2-9735A, 2-9740, 2-9750, 2-9752, 2-9752B, 2-9770, 2-9775 Panasonic: KX-T381R, RCT-3B-C2 Phonemate: CP725, 2350 Southwestern Bell: FF-555, FF-641, FF-642, FF-646, FF-702, FF-1500, FF-1600, FF-3050, FF-4000, FF-5000 V-Tech: VT-9110, VT-9117, VT-9152, T2326, 2340, 2350, GZ2338, 1712, 2417, 2418, 2426, 2427, 2428, 2429, 2438, 2468, 20-2438, 2528, 2568, 2458, 2498, 2558, 9109, 9110, 9116, 9117, 9118, 9119, 9122, 9123, 9126, 9127, 9161, 9152, 9162, 9113/9114, t2426, t2451, gz2434, gz2436, gz2437, gz2439, gz2456, gz2459, t2452, t2453, t2454, t2455, EK2414, NT2415, NT2447, TZ2526, TZ2551, t2406, t2408, TZ2528, TZ2553, TZ2558, TZ2568 [. . . ] [. . . ]