3200 mAh 3.7V Rechargeable Lithium Polymer Battery - Guaranteed for One Full Year Compatible with NOOK Tablet models BNTV250A and BNTV250 Battery Kit contains Easy to Follow Video Instructions, Free Special Tools, and Long Lasting Rechargeable Battery with Full One Year Warranty! The video guides you step by step through opening your tablet with the included Special Tools, to successfully replace your battery. Everything you need to revive your Nook Tablet! Replace your Nook BNTV250A Battery or Keep an Extra Battery on hand as a backup. This kit comes with a 3200 mAh rechargeable Lithium-Polymer Battery that is compatible with your Barnes and Noble Nook Tablet. You get a Rechargeable LiPo Battery, Easy to Follow Video Instructions, and Free Special Tools needed for battery installation, and You also get a full One Year Guarantee exclusively when you purchase from us.