Rechargeable 12V Lithium ion Battery Pack Rechargeable DC 12V and 5V USB double output lithium-ion battery pack. The voltage range of the 12V output port is 12.6-9V, it is not constant, compatible with most 12-volt devices. Compatible with any LED strip light products, CCTV Camera, IP Camera, LED Panel, Amplifier, Modem, Car DVR, Speaker, mobile phone, spectra S2 breast pump and 12V/5V devices, etc. ★★★PLEASE NOTE: The size of our battery output port and power cable are DC5521, please confirm the size of your equipment input port before you order, if it's not DC5521, you need to purchase another power cable to connect your device. Any questions, please get support. Multi-led indicator, 5 LED indicators displaying battery percentage. TalentCell Lithium-ion Battery Pack also runs robotic telescopes fine. Wall plug 12.6V 1A AC/DC Charger and DC 1 Female to 2 Male Power Splitter Cable are included. The size of our battery output port and power cable is DC5521, please confirm the size of your equipment input port before you order. Any questions, please get support.