Used. Needs a new battery. Our son loves it, but is ready to sell it. He's saving up to buy an electric bike. :)
When we first got it from a friend several years ago, it needed a new battery and we replaced it with a "Razor 24V Drifter Battery w/Fuse W15130412003" for around $70.
From the manufacturer:
Product details
When the backyard becomes too groomed and the pavement too smooth, the Razor Dirt Quad electric powered ride-on offers your child off-road adventure that feels like the real thing. For kids 8 years old and up, this scaled-down version of an authentic, off-road vehicle is built with a tubular steel frame and features 12" (305mm) knobby pneumatic tires, for a smooth and solid ride. With the twist-grip throttle acceleration control, the Dirt Quad can hit speeds up to 8 mph (13km/h) and can handle uneven terrain like a pro. The 24V rechargeable battery system provides up to 40 minutes of continuous off-roading adventure on a single charge. The Razor Dirt Quad four-wheeler ATV offers adventure that is fun for all!
AUTHENTIC RIDING EXPERIENCE – With variable-speed, twist-grip throttle control for acceleration and a hand-operated rear disc brake, this scaled-down version can reach speeds up to 8 mph (13 km/h).
SMOOTH ON DIRT – Four 12" (305 mm) knobby pneumatic tires deliver a smooth ride on uneven terrain.
STRONG AND STURDY – A powder-coated tubular steel frame and shatter-resistant plastic fairings offer stability and durability
LONG-LASTING ADVENTURE – The 24V (two 12V) rechargeable sealed lead-acid battery system boasts up to 40 minutes of continuous use on a single charge (battery charger included)
Run Time: Up to 40 minutes of continuous use
Speed: Up to 8 mph (13 km/h)
Motor: High-torque, gear reduction, chain-driven
Throttle: Variable-speed, twist-grip
Brake: Hand-operated, rear disc
Frame: Powder-coated, tubular steel for all-weather durability with front brush bar and rear carry handle
Fairings: Shatter-resistant plastic
Handlebars: Adjustable-height, riser-style
Grips: Soft, rubber
Wheels: Steel with 12" (305 mm) knobby, pneumatic tires
Space saving vertical storage capability
Battery: 24V (two 12V) sealed lead-acid, rechargeable
Includes: Battery charger
Age: 8+
Gender: Unisex
Max Rider Weight: 120 lbs (54 kg)
Some assembly required
Assembled Product Dimensions: 40" x 22.5" x 31" (101.6 cm x 57.15 cm x 78.74 cm)
Product Weight: 75 lbs (34.1 kg)
Electrical system certified compliant with UL2272 by ACT Lab LLC, an accredited testing lab.