500-800AMP Heavy Duty Jumper Cable

we are professional  manufacturers of booster cable jumper cable in China .our price is the lowest in the world .100AMP -1200AMP  Booster cable, jumper cable for charge booster cable battery1. Connect positive (+) booster cable to positive (+) terminal of discharged battery.2. Connect other end of positive (+) cable to positive (+) terminal of assisting battery.3. Connect negative (-) cable to negative (-) terminal of assisting battery.4. MAKE FINAL CONNECTION OF NEGATIVE (-) CABLE TO ENGINE BLOCK OF STALLED VEHICLE, AWAY FROM BATTERY.looking forward to your inquiry ,i am sure i will offer you the lowest price with good quality.