Features Weight Reduction Advantage: This lightweight backpack power supply reduces the load to just 4KG, allowing workers to carry multiple fully charged batteries for extended use Ergonomic Safety Belt: Equipped with an adjustable ergonomic safety belt, this design enhances comfort and efficiency, making long work sessions more manageable Integrated Power Indicator: Stay informed with the LED battery level indicator that displays the charge status of each battery, ensuring you're always ready for action Stable Design with Base: Featuring a sturdy base, this backpack power supply stands upright during breaks, complemented by a convenient carrying handle for easy transport Fast Charging 18V System: Utilize the rapid charging 18V lithium-ion batteries that minimize downtime, maximizing productivity by reducing time spent on the charger Features: 1、Weight Reduction: Battery backpack can reduce the workload of workers, equal to carrying a backpack of about 4KG, which can be stuck with four fully charged batteries can work for a long time. External 1.2M extension cable interface can be inserted. 2、Ergonomic Safety Belt: This portable backpack power supply can be adjusted ergonomic safety belt to improve operator comfort and make the work proc easy. 3、Power Indicator: The integrated LED battery level indicator allows the operator to monitor the battery level of each of the four batteries individually, which means this battery backpack is very convenient and fast. 4、Design with Base: and bright, this backpack power supply with base makes the backpack power supply upright during staff breaks, with integrated carrying handle for enhanced work efficiency. 5、Cordl Tools: The power system is a cordl tool system powered by 18V lithium ion batteries. 18V lithium ion batteries have the fastest charging time in their class, so they spend more time working and l time sitting on the charger. Specification: Item Type: Portable Backpack Power Applicable Battery: 18V Lithium Battery Material: ABS Tips to Maintain the Longest Battery Life: 1. Charge the battery pack before completely discharging it. When you find that your tool is low on power, be sure to stop tool and recharge the battery pack. 2. Never charge a fully charged battery pack. Overcharging will shorten the life of the battery. 3. Charge the battery pack at room temperature of 10℃-40℃ (50℉-104℉). Allow the hot battery pack to cool before charging. 4. Remove the battery pack from the tool or charger when it is not in use. 5. If you do not use the battery for a long period of time (more than 6 months), charge the battery. Package List: 1 x Portable Backpack Power Supply 1 x Power Cable Note: betweendiv Package List 1 x Portable Backpack Power Supply 1 x Power Cable