Portable car emergency start power 12-24v multi-function large capacity car emergency start powerDimensions: 200*164*90mmStarting current: 400APeak current: 800AFull charge time: 7 hoursCycle life: >1000Battery capacity: 30000mAhCharging voltage / current: 14V~24V/2AOperating temperature: -20 ° C ~ 80 ° C - 4F ~ 120FOutput port voltage: 5V/1A; 5V/2.1A12A/10A; 12V/24Vnote:1. Do not start any engine that exceeds the maximum displacement that the unit can withstand, or it will cause serious damage to the unit.2. Your starter will perform best when your battery is fully charged. If the charge is less than 25%, the engine may not start.3. Do not connect positive polarity and negative polarity together when starting up.4. Do not let the engine exceed 4 seconds. Allow the jumper starter to cool for at least 30 seconds after each start.5. Remove dust from the battery electrodes of the car before the jump starts.
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