The Power supply Inverters can be called Portable Power Supply Inverter/Power station/Rechargeable Power Bank/Mini LED Light, etc, when inserted the suitable lithium battery.And they can be used for charging your phones,tablets and other small devices with the USB/USN C/DC/AC output. Color, LOGO, interface type and different appearance can be customized according to customer needs.They are delicate and compact, you can carry one anywhere. * 【Compatible】This battery inverter for Milwaukee M18 18V lithium batteries, such as 48-11-1815, 48-11-1820, 48-11-1822, 48-11-1840, 48-11-1850, 48-11-1860 etc., turns for Milwaukee batteries into small generators. * 【300W Portable Power Station 】Large capacity, can be compatible with 4 Milwauke 18V lithium batteries ,that deliver stable and safe 300W power. The modified sine wave can convert for Milwaukee 18V battery DC power into more stable AC100V-120V AC power to power electronic equipment,emergency in environments without power such as power outages,camping, sleeping in cars, etc Use. * 【Dual USB and Type C output 】Power Inverter Built in Dual USB，USB: 5/2.1A Type -C: 5~9V/2A Max 18W (QC 3.0) DC: 12V/5A. It has multiple outputs and can power a variety of devices with a single unit. It can power smartphones, laptops, TVs, VCRs, car refrigerators, speakers, projectors, and more.The maximum power of the inverter is 300W, so please make sure that the power of the electrical appliance is less than 300W of the rated power of the inverter ( only outputs and cannot charge the battery) * 【LED Work Light】The Portable Power Supply inverter is equipped with LED lights, that can be used as a lantern or for other purposes, so you can rest assured even in the event of a power outage. In the event of an emergency, it provides safety with sufficient power and lighting.two modes: strong beam 1200 lumens + weak beam 600 lumens. * 【Warranty】Equipped with BMS with advanced IC, with overload protection/short circuit protection/over voltage protection/low voltage protection/abnormal temperature detection protection, automatic power off when abnormal.