description Newports 36V 40Ah Bluetooth Lithium (LiFePO4) Battery is the ultimate upgrade for your fishing vessels trolling or outboard motor.By combining Bluetooth monitoring, lightweight lithium technology and extended range capabilities, this advanced battery is a must-have for dedicated anglers that need to stay on the water longer than anyone else. Fish with more confidence with cutting edge performance and monitoring at your fingertips. specs Voltage: 36V Capacity:40Ah (Wh) Case Type: Sealed ABS Cell Type: Cylindrical Maximum Continuous Discharge Current: 30A Maximum Peak Discharge Current: 60A (5 Seconds) Dimensions: (L x W x H) 10.3 in. X 6.7 in. X 8.4 in. Weight: 24.3 LBS Operating Temperature: -10C to 60C Charging Voltage: 43.8 VDC Charging Current: 4A Includes built-in PCM (protection circuit module) which provides internal cell balancing and management, protection from overcurrent, under-voltage (over-discharge), over-voltage, and short circuiting, and has integrated charging circuitry.