![]() The fuse must be a sealed fuse that will not produce a spark if it blows. This is a safety requirement and Insurance requirement. A “battery Protection” safety fuse must be installed within one foot of the positive battery terminal. Wiring from inverter to battery must be proper gauge based on maximum power the inverter is to deliver and the lengths of the battery cables.ĥ. If possible, the inverter should be secured to a stable surface that has several inches clearance for air flow around the inverter.Ĥ. The inverter On/OFF switch and AC outlets must be accessible.ģ. Further, any location must not be in an area that does not have any flammable gas, or battery fumes, or fuel.Ģ. Inverter locations must be dry, cool and dust free. What if you need a more permanent connection of an inverter that supplies more than 200 Watts? There are a few additional requirements for permanent inverter installation.ġ. Store that inverter and cables for future use. Remove the inverter and battery clip cables from the area.ĥ. ![]() Disconnect the Positive battery clip from the Positive battery terminal.Ĥ. Disconnect the Negative battery clip from the vehicle frame.ģ. Turn OFF the inverter and disconnect any appliance plugs or USB plugs.Ģ. Procedure to Disconnect Temporary Inverter to Battery Connection (Battery Clips)ġ. Note: For brief use of the inverter, it is not necessary to start the engine. Turn ON the inverter and use the appliance. Connect an appliance cord plug into the inverter or a USB power cord into the inverter.ġ1. Connect the negative battery clip to a metal part of the vehicle frame.ġ0. Connect the Positive battery clip to the battery positive terminal.ĩ. Connect the battery clip cables to the Positive and Negative inverter terminals.ħ. Make sure that the Inverter’s ON/Off switch is set to OFF.Ħ. Ensure the vehicle engine is not operating.Ĥ. Make sure the vehicle is parked in a location that does not interfere with traffic.Ģ. Procedure to Temporarily Connect Inverter to Battery (Battery Clips)ġ. WARNING – BATTERIES PRODUCE EXPLOSIVE GASES – WEAR SAFETY GLASSES – AVOID SPARKS This sequence prevents a spark from igniting any explosive gasses that may be in the immediate battery area. Then connect the negative battery clip to a metal part of the vehicle frame. As with all connections to a flooded lead-acid car battery, follow the same safety procedures as you would during jump-start procedures presented below.Ĭonnect the Positive battery clip to the battery positive terminal. Battery clips are only used for brief temporary connections to a 12 volt battery. Most battery clip cables are not equipped with a fuse. Battery Clips/Clamps - Temporary Connection This avoids fuses blowing in vehicular electric systems and the subsequent hunt for locating and replacing a blown outlet fuse. ![]() Above 200 watts of maximum power output an inverter has to be connected to a battery. So, actual watts that can be delivered can be up to 200 watts. Furthermore, most 12 volt batteries actually deliver 12.6 to 14 volts while the engine is operating. In practice, most fuses can withstand periodic over current by 10 percent or, in this case 18 Amps. Watts are defined as Amps times Volts (W=A x V). WARNING: NEVER REPLACE A FUSE WITH ONE OF A HIGHER AMPERE RATING – DOING SO CAN DAMAGE WIRING AND CAUSE A FIRE. That limit is set by the vehicle wiring and the fuse that protects the wiring. For most 12V DC outlets, the limit is 15 Amps of DC output (12V x 15A = 180 Watts). When does a small inverter's power come from a 12V DC outlet and when does that inverter need to be connected to a battery? The basic decision is based on the maximum power the inverter will supply. Making the Decision: How to connect the Inverter ![]()
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