Pro Max Battery for PX Thermax Jacket & Vest

FEATURES

• Rechargeable 7.4V 5200MAH Li-ion Battery
• About 2.5-3 hours for fully charged, and working for 2.5-7 hours at different heating levels
• Please remove the batteries from item while charging or washing
• Please charge the batteries every six months when not use for good maintenance
• CE, UL,FCC Certified