Learn about battery-related abbreviations and make use of conversions
| $ | Dollar in US currency (exchange rate of ca. first quarter 2016) |
|---|---|
| ms | Millisecond |
| MW | Megawatt (power) |
| N | Newton is a force. 1N = 1kg m/s2 (force required to accelerate 1kg at 1m/s) |
| NaS | Sodium-sulfur (battery) |
What does M mean on a battery?
The capacity of batteries is indicated as XXXX mAh (milliampere/hour). The formula for calculation is as follows: Capacity (milliampere/hour) = discharge (milliampere) x discharging time (hour) E.g. Take a Ni-MH rechargeable battery with a capacity of 2000 milliampere/hour.
What do the numbers and letters on a car battery mean?
This refers to the battery size that will best fit the physical dimensions, terminal locations and type required for your vehicle. The Battery Council International (BCI) assigns numbers and letters for each battery group size. Group size is typically based on your vehicle’s make, model and engine type.
What does MCA mean on a marine battery?
Marine Cranking AMPS
Marine Cranking AMPS (MCA): The number of amps a battery can deliver at 32°F for 30 seconds while maintaining 1.2 volts per cell. 3. Cold Cranking Amps (CCA): Identical to MCA except measured at 0°F.
What is the 30 minute rating of battery?
The C Rate charge or discharge time changes in relation to the rating. 1C is equal to 60 minutes, 0.5C to 120 minutes and a 2C rating is equal to 30 minutes. The formula is simple.
How long is a milliamp hour?
3,600 coulombs
Glossary Term: milliamp-hour
The amount of charge transferred in that hour is 3,600 coulombs (ampere-seconds). A milliampere-hour (mAh or milliamp-hour) is a thousandth of an amp-hour. An ampere-second (A-s or amp-second) is an amp supplied for one second.
What does 2200mAh mean?
2200mAh is 2.2 Ah. Depending on user of battery say 1.5 V then you have 3.3 watts power. If you device pull 1 watt/h at 1.5 V then you have 3.3 hours of power.
How do you read a battery label?
The first character will be a number from zero through nine that corresponds to the last digit in the year in which the battery was manufactured. For example, a five would mean 2015. The second character is a letter that refers to the month the battery was made.
How do you read batteries?
Understanding the specifications
- 1st digit – Voltage. 1-2 = 6 Volt Battery. 5-7 = 12 Volt Battery.
- 2nd & 3rd digits – Nominal capacity. 560 = 60Ah @ 20 hour rate. 660 = 160Ah @ 20 hour rate.
- 4th & 5th digits – The unique code number referencing battery performance and features.
What do battery letters mean?
The letters on a battery give the size, in height and width, of the battery. AA means “50.5mm x 14.5mm.” The later the letter the larger the battery. “D” is larger than “C”, etc. “A” is larger than “AA” is larger than “AAA”.
Are MCA and CCA the same?
CCA is the cold cranking amp rating which tells you how many amps will be delivered to the engine in cold temperatures. MCA or marine cranking amps is conceptually the same rating, however, the CCA rating is based on amps delivered at 0℉ and the MCA rating is done at 32℉.
What is the difference between CCA and MCA?
Cold Cranking Amps (CCA) is a test conducted at 0 F (-18 C) for 30 seconds without falling below 7.2v at the battery’s CCA rating. Marine Cranking Amps (MCA) is a test conducted at 32 F (0 C) for 30 seconds without falling below 7.2v at the battery’s MCA rating.
Whats the difference between CCA and MCA?
The marine cranking ampere (MCA) rating of a battery is very similar to the CCA rating; the only difference is that while the CCA is measured at a temperature of 0 F, the MCA is measured at 32 F.
What is the 20min rating of battery?
For deep cycle batteries the standard Amp Hour rating is for 20 hours. Actually, the detail is so common that most battery labels don’t incorporate this data. The Amp Hour rating would mean, for example, that if a battery has a rating of 100AH @ 20 Hr rate, it can be discharged over 20 hours with a 5 amp load.
What are C batteries used for?
The C battery (C size battery or R14 battery) is a standard size of dry cell battery typically used in medium-drain applications such as toys, flashlights, and musical instruments. As of 2007, C batteries accounted for 4% of alkaline primary battery sales in the United States.
What is DOD in battery?
Depth of Discharge (DOD) refers to how much energy is cycled into and out of the battery on a given cycle. It’s expressed as a percentage of the total capacity of the battery.
Do amps draw an hour?
An amp-hour is one amp for one hour, or 10 amps for 1/10 of an hour and so forth. It is amps X hours. If you have something that pulls 20 amps, and you use it for 20 minutes, then the amp-hours used would be 20 (amps) X . 333 (hours), or 6.67 AH.
How many mAh is a 9V battery?
Technical Specifications Of The 9V Battery
| 9V Battery Nominal Voltage: | 9 Volts |
|---|---|
| Capacity (Alkaline) ≈ | 550 mAh |
| Capacity (Carbon-Zinc) ≈ | 400 mAh |
| Capacity (Lithium Primary) ≈ | 1200 mAh |
| Capacity (NiMH) ≈ | 175-300mAh |
How many amps does a 12 volt battery have?
Even though most car batteries are only 6 or 12 volts, a 12-volt battery can produce as much as 600 amps. Amperage can be thought of as the volume of electricity that’s generated, but voltage can be thought of as the “pressure” of the electricity.
How long is 5000mAh battery?
8 hours
The 5000mAh massive capacity battery lets you game for 8 hours at a time when you can’t stop, won’t stop playing.
How Long Will 4000 mAh battery last?
A 4000mAh battery life can last up to 4,000 hours, depending on the current required by the object being powered (measured in mA). You can calculate the battery life by dividing the capacity of the battery by the current required by the object.
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