• Heated jacket, heated vest with 4000mah battery, can be use 8-10 hours, winter use product
• Model:  SV-04
• Battery voltage:  7.4V
• Battery capacity:  4000mAh
• Level 1:   6-8 hours   
• Level 2:   5-6hours
• Level 3:   3-5 hours.
• battery charger: 8.4V, 1A charger.
• Heating elements: carbon fiber heating elements
• Material: carton, fleece. 
• [Smart level control battery heated winter vest]
• [Smart level control battery heated winter vest]fit for: power tool worker, winter use, outdoor sports
• intall way: 3 level control, easy press.
• We supply the best solution for the heated hate, heated glove, heated insole, heated colthes. 
• [Smart level control battery heated winter vest] 

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