Features: brand new and high quality Good working condition. Mini UPS uninterruptible power supply is a standby energy storage power supply. Used safe and environmental lithium cells, credible and stable PCB. This mini UPS with perfect over-charged, over-discharged, over-current and short-circuit protection. Smart 12V mini ups widely use for Router, Fingerprint attendance machine, Fire safety system, Security monitoring system, Wireless camera. Specifications: Capacity: 8000mAh Input/output port: DC5.5x2.1 Product capacity: 29.6wh-38.48wh Battery type: 18650 lithium battery Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x UPS Battery Backup