None For use with recliners, lift chairs, adjustable bases, loveseats, sofas and any motion piece that only has one 2-pin power inlet.5000mAh – Battery life 900-800 cycles. Every time you recline and the return to starting position counts as one cycle. Battery life on a single charge will depend on how much you use your motion piece and if it has any additional features that passively draw power.LED indicators will notify you when your battery needs to be charged. It is recommended to charge the battery at least every 6 months.UL Listed: safe and reliable. The only UL listed battery pack for motion furniture on the market.Active Charging and Balanced Charging are features that allow you to extend your batteries life.Everything you need to set up your battery pack is included in the box; 1 battery and 1 AC cord.Includes a one year limited warranty.When your battery pack first arrives, it will be in sleep mode. Fully charge the battery pack before first use.Each individual motion furniture piece (Ex. Recliner and Sectional) will need a separate battery pack.