you put a volt meter on it
A battery hydrometer measures the specific gravity of the electrolyte solution in a lead-acid battery. This measurement helps determine the state of charge of the battery, as higher specific gravity indicates a higher charge level. By comparing the readings from different cells in the battery, one can assess the overall health and performance of the battery. It is an essential tool for maintaining and troubleshooting lead-acid batteries.
Hydrometer
Depends level of skill that the person has, and the condition of the battery.
Yes because the acidity level determines the PH level which when steel and copper are hooked into the lemon and hooked onto a battery it will start to charge.
It depends on the state of charge. A fully charged lead-acid 12V battery will measure around 13.6V, the same battery at the end of useful charge will be approximately 10.5V
If you want to enlarge the Samsung battery life, it is important that you only charge your battery when the level falls down.
Trickle chargers are not used to recharge a dead battery. Trickle chargers are used to keep a battery at a full charge level and can be left connected to the battery permanently.
A battery stores charge and supplies voltage and current. A kilowatt (KW) is a measure of power = Volts x Amps.
The alt will charge it if you can jump it. If it's too dead to jump, you need a battery charger. It may not charge hold a charge if it;s shot though and if not maint free, make sure water level full
No, a fully charged battery does not weigh more than an empty battery. The weight of a battery remains the same regardless of its charge level.
Red means that the battery charge level is low or that the alternator is not charging battery properly. Check alternator, voltage regulator, connectors.
Yes, if the voltage level is too low to start the car.