Use the ICOtecA(R) C4 Power House Battery Pack to power your ICOtecA(R) Sabre, Night Stalker, Outlaw, Renegade+, Night Stalker+ and Outlaw+ Electronic Game Callers (not included). Provides approximately 25-35 hours of run time (variable based on volume, play mode and external temperature). Powers ICOtec Sabre, Night Stalker, Outlaw, Renegade+, Night Stalker+ and Outlaw+ Includes Rechargeable Lithium Battery and Charger Order today!