The price and MOQ can be negotiated: 1. Super capacity: built-in 5C 3.7V/2000mAh high capacity and high safety performance 18650 battery 3 series (3S1P 11.1V).  2. Lighting function: This power supply integrates a 1W white LED, which can be used as outdoor lighting and SOS function. � 3.Air pump function: This power supply integrates an air pump, which can be used as tire inflation. 4.USB output: charging for all kinds of digital products. Easy to use. 5.Pressure detection function: this power supply integrates a digital display barometer, which can be used as pressure detection. The air pressure error is ± 0.1kg /cm ².  The accuracy of air pressure detection is ±0.01Kg/cm  6.Ultra high efficiency: 5V/2A charging efficiency >70% TYPE C interface 7.Charging speed: 34.2L/Min 8.Maximum atmospheric pressure: 150PSI 9.Durable: built-in battery charge and discharge cycle times â? 500 times.  10. Safe and reliable: PCBA has power supply short circuit protection design;  Built-in lithium battery protection IC: can effectively prevent battery overcharge, overdischarge, overcurrent.  11.Warning light function: designed with high brightness red and blue LED warning light board.  Emergency situations can provide the effect of evasive cues.  Improve user safety.  Ultra high lumen 120 meters clearly visible.