Dogtra 12V 300Ma - 110V (5.5Mm) Battery Charger Black Go to amazon.com Related posts Which is the best dogtra charger? FeatureMake sure you already know which model charger you need before orderingMaterial Electronics DescriptionFor Models: 300M Series, 280NCP Series, 1900NCP Series, 7000M Series, 7100M Series, YS500, and RR Deluxe.