Hi there. The spider injector is typically not impacted by the battery charge, as it delivers fuel as supplied by the fuel pump. In most cases, if you have issues as you’ve described, it’s due to the battery having low cranking amps and needing to be replaced. You might want to have a professional mechanic come to your location and complete a car is hard to start inspection to determine for sure what is causing your problems.
How to Identify and Fix Common car Problems ?
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While it is technically possible to charge your car battery by just idling, it`s not very efficient. You`d likely have to leave your car running for hours to even come close to a full charge. This is due to the amount of charge that is initially lost when cranking the engine.
A fully charged car battery will have 12.88 volts. Cars run on a 12-volt electrical system.
Once the battery is full, the charging circuit stops drawing power from the charger until such a point where it decids to resume charging. Assuming a properly functioning charging circuit you cant add excess energy to the battery.
If your car, particularly the battery, is new and in good condition, the charge will last about two weeks without needing to start the vehicle. But the general recommendation is to turn the ignition on for 15 minutes once a week to ensure a proper recharge.
While idling older vehicles for 15-20 minutes may give them enough of a charge to restart, this approach is generally not recommended. Many modern cars are equipped with sophisticated battery management systems that are designed to help extend battery life.
Without any unnecessary details, a car will need anywhere from 400 to 600 amps for its battery to start. However, there are cases where smaller cars only take 150 amps to get their batteries going. Larger vehicles like trucks will require much more to start –up to 2,000, to be exact.
A fully charged 12 volt battery should read at 12.6 volts on the multimeter. If the reading is lower than this, you`ll want to charge your battery with either a battery charger or by taking your car for a drive.
Ans: Typically, 12.2 volts may not be enough to start a car. A fully charged car battery should have a voltage of around 12.6 volts. When the battery voltage drops below 12 volts, there is a possibility that it won`t have enough power to start the car.
Check the voltage
Check the voltage of your battery using the voltmeter to help determine your next course of action. 12.6V volts or above – Your battery is healthy and fully charged.
In simple terms, charging an EV battery to 100% will lead to a reduction in the total usable capacity of the battery. It might not be noticeable at first, but your battery will gradually lose its range as it degrades over time.
When you buy a car battery, it typically comes sufficiently charged to start your vehicle, to around 90% of capacity or so. It isn`t required to charge a car battery before its first use. However, under normal driving conditions, the alternator is unlikely to charge your battery to full capacity.
Some cars will get up to five or six years out of their battery, while others will need a new one after only two years. In general, your car will usually need a new battery after three to four years. Replacing your car battery is another part of routine maintenance.
Your car`s engine will eventually shut off if the battery fails; this means nothing but trouble when you are in the middle of the road.
Most car batteries will last between 500 and 1,000 charging cycles, which works out to a lifespan of between three and five years, depending on driving and weather conditions.
How long does it take to charge a car battery with a 12 volt charger? Car batteries usually hold 48 amps, so it will take about 12 hours to reach a full charge using a 12 volt charger.
The primary factor in determining the number of CCAs necessary to start a vehicle is the size of the engine. The standard recommendation is that a vehicle battery should possess at least one CCA for every cubic inch of engine displacement (two CCAs in the case of diesel engines).
On the low end, about 70 amps. On the high end, for a V8 with good compression, and temperature of -40, about 400 amps.
Fully-charged, most car batteries will measure at least 12.6 volts (~13.0-13.2V for OPTIMA YELLOWTOPs), but low voltage doesn`t necessarily equal a bad battery. Modern cars are very demanding from an electrical perspective, even when they`re not being used.
For a car with a 12V engine, the normal value before starting is between 11.9V and 12.8V, and it should not exceed 14.8V after starting.
With the engine off, the fully charged car battery voltage will measure 12.6 volts.
When fully charged, how many volts should a car battery have? charged automotive batteries should measure at 12.6 volts or above. When the engine is running, this measurement should be 13.7 to 14.7 volts.
The standard automotive battery in today`s vehicles is a 12-volt battery. Each battery has six cells, each with 2.1 volts at full charge. A car battery is considered fully charged at 12.6 volts or higher.
Voltage on a fully charged battery will read 2.12 to 2.15 volts per cell, or 12.7 volts for a 12 volt battery.
A good alternator should maintain battery voltage between 13.9 and 14.8 volts (14.2 is optimum). Even worst-case, with all accessories turned on, there should be at least 13 volts at the battery.