DC: 7.4V Li-ion 1800mAh 1.Uses the highest quality graded and sorted Japanese ... plated contacts for maximum performance. 3.Provides excellent discharge characteristics. 4.Uses high impact ABS and Polycarbonate plastic housings for ruggedness ... ,PT668,PT4200,PT558KB-33L fits Kirisun PT3300,PT3800,PT3500 PMNN4066A Li-ion Battery For XPR6300,XPR6350, DP3400, XBR6500, DGP4150 etc...