EAFC 12V Portable Car Jump Starter Multi-Function Car Jump Starter, Auto Portable Car Battery Starter Emergency Booster With The Toolbox

Please pay attention to this note:1. Please charge after receiving the jump starter|| 2. Charge every 3 months, low power may fail start|| 3. Charge phone tablet only occasionally. efficiency is about 50%4. The charge speed or discharge speed will be fast during the last 15% power of the jump starter.Please do not worry about these problems. This is the characteristic of high-rate lithium batteries, and it will not affect product quality and normal use. Specifications:Car Jump Start Output: 12VUSB Output 5V/2AGas Engine Rating: Up to 4.0LOperating Temperature: -40℃+80℃Diesel and steam double start strong powerSupport 12V/4.0L displacement and belowStart Gasoline Car 4.0LStart Diesel Car 2.0L[ATTENTION!]Low battery level prohibits starting the car!Please make sure that the battery level is above 80% when you start the car. If the battery level is lower than 50%, please start the car again with a full charge [ATTENTION!]Please fully charge when receiving!When you receive it for the first time, please fully charge the battery before using it. Charging should be stopped when full, and it is prohibited to keep charging for a long time. Normal charging time is 4-6 hours[ATTENTION!]Continuous starting is prohibited!After the first unsuccessful startup attempt, it is necessary to start again after an interval of 30 seconds. [ATTENTION!]Positive and negative terminals must connect correctly.Red Clamp to "+" Terminal,Black Clamp to "-" Terminal[ATTENTION!]Please use the supplied cable for charging!Please use the charging cable that comes with the product to charge, if the configuration of the charging cable can not be used, please use the rated voltage 5V, 2A Connector to charge, prohibit the use of fast charging plug charging