Rectangular batteries
| Image (AA size for scale) | Names | Names | Names | Dimensions (mm) |
| Most common | Other common | IEC | ANSI | |
| 4.5-volt | 1289 (in the UK) Pocketable battery 4.5 ... | 3LR12 (alkaline) 3R12 (carbon‑zinc) | H: 67 L: 62 W: 22 | |
| PP3, 9-volt, or E [10] | Radio battery Smoke alarm battery Square ... | 6LR61 (alkaline) 6LP3146 (alkaline) [11] ... | H: 48.5 L: 26.5 W: 17.5 | |
| 6-volt Lantern (Spring) | Lantern 6 V Spring top MN908 996 or PJ99 ... | 4LR25Y (alkaline) 4R25 (carbon‑zinc) | H: 115 L: 68.2 W: 68.2 |
| Voltage | Amp Hours | Size |
|---|---|---|
| (20 hour) | inches | |
| 12 | 12 | 5.94 x 3.86 x 3.70 |
| 12 | 15 | 7.13 x 2.99 x 6.54 |
| 12 | 17 | 7.13 x 2.99 x 6.54 |
How many kWh are used by a 12 volt battery?
That’s because voltage (volts) can convert amps into watts according to this basic electric power equation: That means that 1 amp at 12V will generate 12 watts of power. It also means that 1 amp-hour at 12V will generate 12 kWh worth of electricity.
How many volts are there in a 12 volt battery?
What is the normal voltage for a 12-volt battery? That 2.2 volts is the fully charged, straight off the charger number. The actual resting voltage, or the voltage a battery will settle at 12-24 hours after being removed from the charger, is closer to 2.1 volts per cell, or about 6.4 volts for a 6v battery, and 12.7 volts for a 12v battery.
How to size a 12 volt battery?
How to properly size a battery system.
- Step 1: Reduce electrical demand.
- Step 2: Observe power draw and calculate amp-hour requirements.
- Step 3: Incorporate a safety buffer (reserve capacity)
What are the different sizes of batteries?
Types of Batteries
- Common Battery Sizes. From thermometers and timers, to automatic paper towel dispensers and neon signs, batteries are employed in some capacity in almost every environment.
- Specialty Batteries. These large, heavy batteries are used for heavy equipment that require huge amounts of energy. ...
- Battery Types. ...
What are the different 12V battery sizes?
In general, these more-common battery group sizes are 24, 24F, 25, 34, 35, 51, 51R, 52, 58, 58R, 59, and 65. Helpful Hint: Some vehicles can handle a larger battery than was originally installed. A physically larger battery usually has more power and reserve time than a smaller battery.
Do 12 volt batteries come in different sizes?
Remote controls, small flashlights, and similar small electronics requiring minimal power often use AA and AAA batteries. For larger household electronics, the most common battery size options are C and D. D-size batteries are larger than C-size and have about 50% more capacity as a result.
What are the dimensions of battery?
Sizes and Formats of cells and batteriesSIZEDIAMETERHEIGHTYYYY8.4 mm40.5 mm1/2 AAA10.0 mm22.0 mm2/3 AAA10.0 mm29.0 mm4/5 AAA10.5 mm36.0 mm16 more rows•Oct 10, 2014
Why are 12 volt batteries different sizes?
The more a battery weighs, the more volume, the more storage capacity. A number that can characterize this is the number of Volt-Amperes a battery can deliver. An equivalent number is Watt-Hours. For example common alkaline batteries that run flashlights and small electronics equipment come in various sizes.
How do I know my battery size?
Look directly on the battery you're replacing. Particularly if it's original equipment, you can usually find the group size printed on the top or side labeling. You'll also find other information here, like cold-cranking amps and reserve charge, that can be helpful as you shop for your replacement.
How do you read a battery size?
Understanding the specifications1st 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.
Do battery dimensions include the posts?
* Dimensions are generally taken at the widest point on the battery. The length and width are usually longest at the top of the battery, narrowing slightly at the base. The total height includes the terminal posts.
Are there a size batteries?
AA and AAA were added to the system to denote the two newer battery sizes that were smaller than the A. (Although, this technically throws the alphabetical order out of whack, as “A” is still ahead of “AA” and “AAA” in an alphabetized list.)
Why are there different battery sizes?
Larger objects need more power. That meant larger, more powerful batteries had to be developed. As technology led to smaller and smaller versions of things, smaller, less powerful batteries were needed.
Are all 12V batteries the same?
All 12-volt battery types are similar in that they provide power for your 12V electrical system. However, there are significant differences in how they're designed, their capacity, the amount of maintenance required, and the cost to buy and install.
What are group sizes in batteries?
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 is the difference between a group 24 and a group 27 battery?
If you compare a group 24 battery and group 27 deep cycle battery together, you'll notice that the mp hours are slightly higher on the group-27 product. This specification difference is made on purpose by the manufacturers. In general, a group size with a higher number has more amp hours than lower values.
12 Volt Deep Cycle RV & Marine Batteries by BCI Group Number
BCI GROUP NUMBER: U1LifeLine Battery #: GPL-U1T (AGM) Universal Battery #: UB12350-D5722 (AGM) MK Battery #: 8GU1 (GEL) Universal Battery #: U1Gel-...
6 Volt Deep Cycle Batteries by BCI Group Number
BCI GROUP NUMBER: GC2Trojan Battery #: T-105 (WET) Universal Battery #: UBGC2 (AGM) Lifeline Battery #: GPL-4CT (AGM) MK Battery #: 8GGC2 (GEL)DIME...
12 Volt Starting Batteries by BCI Group Number
BCI GROUP NUMBER: 25BatteryStuff Part #: OPT-25DIMENSIONS IN INCHES*: 9.94" 6.81" 7.63" LxWxHAmp Hours (AH): 44CCA: 720BCI GROUP NUMBER: 34BatteryS...
What is Battery Group Size?
When purchasing a battery, you will see a series of numbers and letters in the name. These numbers and letters are the BCI group size of the battery. BCI stands for Battery Council International. This is a trade association that includes manufacturers, recyclers, distributor, and retailer organizations that supply original and after-market batteries.
How many volts does a car battery hold?
Most car batteries are labeled as 12 volts. However, they can hold closer to 15 volts due to power from the alternator. When the car is running and the alternator is charging, the voltage (electrical pressure) should measure between 13.7 to 14.7 volts. An actual reading of 12.4 volts when the car is running means that the battery is only at about 75% of its optimal capacity. Your car will still run, but you need to get the battery checked because it can be a sign that it needs to be replaced soon. If it falls below 10.5 volts, your car probably will not start, but some can go as low as 9.5 volts and still seem fine.
What does BCI stand for in batteries?
These numbers and letters are the BCI group size of the battery. BCI stands for Battery Council International.
How to charge a deep cycle battery?
You hook the battery cables to the terminal posts, turn the charger on, and wait for the recommended amount of time.
What is a 51R battery?
When choosing a battery, you will hear terms like, “ group 51R ” or “ type 31 marine ” battery. These numbers refer to the physical size of the battery case. BCI currently lists over 80 different battery group designations. The designation gives you information about the intended application and type of vehicle for which the battery is intended. It also provides the length, width, height, type of assembly, terminal positions, and which post is the positive terminal.
How to clean battery terminals?
How do you clean battery terminals and contacts? 1 Remove the battery cables and inspect them. 2 Spray the battery cleaner on the terminals. You can also mix up one tablespoon of baking soda to one cup of water and apply it to the terminals. 3 Scrub the terminals with an old toothbrush or wire brush that is made for this purpose. Scrub until all of the buildup is removed. 4 Rinse off the residue with plain water and allow the terminals to completely dry. 5 Reconnect the battery cables.
What is the best source of information to find the recommended battery group size and specifications?
The best source of information to find the recommended battery group size and specifications is your Owner’s Manual.