They could be run in parallel from a 12 v 1.5 amp power supply.
nope
Reserve Capacity. The number of minutes a battery can maintain a useful voltage under a 25 amp discharge. Reserve capacity is often a truer test of battery life than amp hours.
What determines the current is the load. So voltage is the important factor. The voltage is the same. So you only conect up to ten cameras and the current is ok. They will work fine.
cut the back speaker wire going to one of the rear speakers.. take the pos and neg into the amp.. if the amp only takes RCA inputs you will need to buy a line level converter.. turns pos neg into RCA.. also you must wire up a switch for turning the amp on.. just a 12volt source works
On a 1998 Mercury Tracer, the cooling fan relays are located in an engine compartment box. The compartment box should be labeled 'Cooling Fan 40 amp.'
The amperage of a 12-volt accessory supply can vary depending on the specific device or accessory being used. However, it is common for 12-volt accessory supplies to have amp ratings between 5 to 30 amps. It is important to check the specifications of the supply and the device you are connecting to ensure compatibility and safe operation.
7-25 amp Electric Cooling Fan
No, this is not monitored.
it could be a bad battery or else something is drawing power from the battery get the battery checked at a auto parts shop most shops will check your battery for free while you are at it get them to check the alternator is charging properly also once you know its not the battery or alternator at fault put an amp meter in series between the battery positive and the positive wire of the vehicle with everything switched off you should only get a reading of well below 1 amp(because of clocks and radio memory etc there will always be a small draw) anything near or above one amp is too much of a draw if this is the case start removing fuses one at a time replacing each one as you go until you find one that causes the amp reading to drop to well below one amp then check what the fuse is for and it should lead you to the fault
The current in a reading lamp would be a small part of the total current in a home. For example, a home may have 100 amp service, while a reading light may draw less than 1 amp, so about 1% of the total.
The best way to check any current flow is with a clamp on amp meter. If you know any electricians they will have one. The meter just clamps on around the service conductor and the meter will read out what the current in the conductor at that moment. The amperage reading is dependant on what is operating in the shop at the time. to find out the total current flow turn everything on and take a reading.