Talentcell Rechargeable 12V Lithium ion Battery Pack Spare or replacement battery for Vycah Oculus Vest and Pants Rechargeable DC12V and 5V USB Double Output Lithium ion battery pack. Small size, 3000mAh high capacity, easy to carry. Voltage range of the 12V output port is 12.6-9V, it is not constant, compatible with most 12 volt devices. 12V battery compatible with most LED strip light products, CCTV Camera, IP Camera, LED Panel, Amplifier, Modem, Car DVR, Speaker, Spectra S2 breast pump, and 5V devices, mobile phone, etc. Supports Over-charged/discharged, Over-voltage, Over-current and Short circuit protection. Multi-led indicator, 5 LED indicators displaying battery percentage. The size of the 12V Output/Input port is 5.5 mm x 2.1 mm. Wall plug 12.6V AC/DC Charger and DC 5.5x2.1mm 1 Female to 2 Male Power Splitter Cable are included.