Tank Replacement Motorola PMNN4409 2200 mAh Battery - XPR 3300,3500,7550 18 Month Warranty 7.4v 2200mah Li-ION Fit in Motorola: XPR7550, XPR7350, XPR3500, XPR3300, DP4400, DP4401, DP4600, DP4601, DP4800, DP4801 Compatible: OEM Model#: Motorola PMNN4409, PMNN4409AR, PMNN4412, PMNN4448, PMNN4407 Strong - Durable - Reliable Plastic Housing