Havis Charge Guard 12v Auto Timer Switch Safe Inverter Vehicle Laptop Battery on 2040-parts.com

 Havis ChargeGuard 12V Auto Timer Switch w/ Negative Ground 

http://www.havis.com/data/3-Power%20Management/Chargeguard/CG-0006-IS-E.pdf

Protect your investment in vehicles, equipment, and people! This easy-to-use intelligent vehicle power management system prevents dead batteries, reduces wear and tear and battery and equipment, protects mobile electronics from voltage anomalies, and gives you peace of mind. prevents wear and tear on vehicle batteries and mobile equipment. With the Havis ChargeGuard Select, your equipment is on when you want it on, and can even be left unattended with no worries — even when the vehicle's power is off.

• MIL-STD-810F compliant
• How does Havis ChargeGuard Select work?
• Automatically turns mobile equipment on when you start your vehicle's motor
• When you turn the motor off, the equipment stays on from 5 seconds to infinity depending on the selected time delay setting
• Also turns equipment off before the pre-set time if voltage drops too low
• Lower maintenance cost
• Reduces service calls and down time
• Diagnostic L.E.D. helps you troubleshoot problems
• Prevents battery wear and tear
• Saves battery replacement costs
• Reduces fuel cost by not needing engine on to run equipment
• Power up and protect critical aftermarket electronics, including...
• Two-way radios
• Computers
• Video cameras
• GPS
• Radar
• Modems
• Routers
• Scanners
• Card readers
• Printers
• Audio equipment
• Microprocessor based system with user-selectable timeout delay
• Choice of Sensing Modes:
• Automatic Detection Mode (AC)
• Isolated Alternator Detection
• Voltage Rise Detection (DC only)
• Direct Ignition Mode (HL)
• Emergency override
• Shutdown pre-warning
• High- and low-voltage disconnect
• Reverse polarity protection
• Operating Voltage (Nominal): 13.8V
• Low-Voltage Disconnect: 11V
• High-Voltage-Disconnect: 18V
• Stand-by Current: 15-20 MA
• Operating Current: 80-85 MA
• Load Current Rating: 30 Amps
• Minimum Time Delay: 5 seconds or 15 minutes
• Selectable Time Delay: 1-16 hours and Infinity
• Factory Default Time Setting: 2 hours
• Size: 4"L x 3.75"W
• Weight: 5 oz.
• Patented
• Made in U.S.A.