500W Electric Wheelchair Tractor Conversion Kit with Lithium Battery THE CONFIGURATION IS AS FOLLOWS With USB mobile phone charging port, cruise control function Oil disc brakes, plus electronic brakes, reverse Mileage display, speed display, power display Forward: level 1 - 17km h level 2 - 29km h level 3 - 35km h, backward: 10km h Tweeter, LED high-brightness double-bead headlights 500W motor power Endurance 90 km Waterproof independent plug for all vehicle line accessories Adjustable handle height INFORMATION Material: 304 stainless steel Charging time: about 12 hours Front wheel size: 12 inches Use time: about 4-5 years Style options: Style A for non-folding wheelchairs and Style B for folding wheelchairs. Please buy the right style according to your needs. Please send wheelchair pictures after purchase NOTES Batteries will be shipped separately Due to light and screen differences, the item's color may be slightly different from the picture. Any questions, please feel free to contact me, we will reply your message within 24 hours?EASY TO DETACH?When you don't need to use it or the battery is dead, you can easily detach the trailer from the wheelchair in a few minutes and keep the function of the manual wheelchair. You can go anywhere you want with it. Ideal for people with reduced mobility. ?CONFIGURATION AS FOLLOWS?Equipped with shock absorbers to reduce the impact when you drive batteries made of cell materials, with longer service life with LCD screen, LED lights, double disc brakes, half-twist throttle and explosion-proof wheels. ?SUITABLE FOR MOST WHEELCHAIRS?The electric wheelchair hand wheel is equipped with adjustable claws, suitable for wheelchair front frame tubes with a diameter of 20-26mm. Height adjustable, please check that your wheelchair meets the requirements. ?WHEELCHAIR POWER HEAD?The electric hand crank turns your attachable wheelchair into a high-performance machine that increases your mobility. The wheelchair conversion kit is available with 3 forward speeds (up 35km h) and 10km h reverse speed. ?STYLE SELECTION?Type A: Connection on both sides - suitable for sports wheelchairs.Type B: Middle connection - suitable for folding wheelchairs. Please buy the right style according to your needs. Please let me know your wheelchair style after purchase.