Bundle: Nitecore NBP68 Rechargeable Battery Pack w/ 4A Charger +FREE Andrew & Amanda Pen! Functional with the following models: TM15, TM26, TM26GT, TM36, TM36-LITE Able to store up to 98 Watt-hours of power Status Indicator shows that the battery pack is charging and when charging is almost complete Includes FREE Andrew & Amanda Pen! ships out within one business day by Andrew-Amanda