NB4U 3.7V 1150mAh Li-ion Back-up Battery for Amkov 5000 5000S<br /><br />Specification:<br /><br />Rechargeable.<br />Li-ion Polymer Battery Pack.<br />Capacity: 1150mAh<br />Voltage: 3.7V<br />Temperature: Under 60 Degree<br /><br />Caution:<br /><br />Charge only with specified charger.<br />Don't store in temperature over 60 C.<br />Don't dispose of in fire.<br />Do not disassemble.<br /><br />Package Included:<br /><br />1 X Battery