Motomaster brand. Manual battery charger with engine start. Heavy-duty, energy-efficient, copper-wound and steel-laminated transformer. 2 amp trickle charge. Reverse hook-up protection helps prevent battery and charger damage. 50-amp clamps for top and side mounted battery posts. 50/10/2 A - 12V Ideal for motorcycle, ATV, snowmobile and lawn tractor batteries. Very clean and in great shape.