HeartSave Y Series Battery

Type: LiMnO2 Lithium Battery, 12V, 4.2Ah, Non-rechargeable
Standby Life: Up to 5 years
Usage Capacity: 200 shocks at 360J / 300 shocks at 200J / or 12 hours of continuous operation
Low Battery Alert: Voice prompt "Battery Low"
Remaining Capacity After Alert: At least 6 shocks at 360J or 30 minutes of operation
Safety Design: Automatically switches to CPR mode if unable to recharge