VEVOR Electric Trailer Dolly, 3600 lbs Capacity 800W 600 lbs Tongue Load, for RV Campers, Cargo, Utility & Boat Trailers, 2 in & 1-7/8 in Hitch Balls, Moving & Positioning Trailers, Heavy-Duty Steel

Yes, it comes with a battery If this answer doesn't resolve the current issue, please reach out to us again for assistance.