Waterproof programmable led display 3d backpack player smart advertising schoolbag screen
backpack screen-6
Price: 60
High-Capacity Power Configuration for All-Day Outdoor Use
The Packback advertising machine is equipped with a high-performance, large-capacity power system designed specifically for long-duration outdoor use. It features a 12V lithium battery setup with multiple capacity options—30000mAh, 60000mAh, and 90000mAh—allowing users to choose the most suitable configuration based on the length and intensity of their campaigns.
Using lithium iron phosphate (LiFePO₄) battery cells, the power system offers exceptional safety and a life cycle of over 3000 charge-discharge cycles. This significantly extends the operational lifespan and reduces the cost and hassle of frequent battery replacements. The system also integrates multiple protection circuits, including overcharge, over-discharge, overcurrent, short-circuit, and over-temperature protection, ensuring stable and safe performance in various outdoor environments.
Moreover, the battery supports fast charging, minimizing downtime during campaigns. Even on tight schedules, users can recharge the device quickly without interrupting advertising activities. Paired with a 12V adapter and a standard DC 2.5mm charging port, the battery can be conveniently recharged via wall outlets, power banks, or even car chargers.