What is battery group 24DC
Victoria Simmons
Published Mar 18, 2026
BCI Group 24 batteries are mostly general-purpose batteries commonly found in large UPS systems, medical and security systems, wheelchairs, in vehicles, industrial applications, etc. They are rarely used as starting/cranking batteries – more commonly they are used in deep cycle standby/float applications.
What size is a 24DC battery?
As indicated in the video, the dimensions of Group 24 and Group 34 batteries are similar. The Group 24 battery typically measures about 11 inches long, by 6.875 inches wide, by 9.5 inches tall, while the OPTIMA D34M BLUETOP (and the 34M BLUETOP) measures about 10.06 inches long, by 6.88 inches wide by 7.94 inches tall.
What is the difference between 24DC and 27DC 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.
How many amp hours is a 24DC battery?
Group 24 Deep Cycle Marine Battery. 85 Amp hour.Is a 24DC battery 12V?
EverStart Lead Acid Marine & RV Deep Cycle Battery, Group Size 24DC (12 Volt/690 MCA)
How much does a 24DC battery weigh?
Part Number:24DCWeight lbs: CCA: RC: Length (in): Width (in): Height (in):45 500 130 10 3/4 6 3/4 9 3/8
What does 24DC mean?
24dc is a dual purpose battery (this battery can be used for both starting and deep cycling) & the 24dcc is a deep cycle (this battery is just used for deep cycle.
What is a good marine battery?
- Best Overall: Odyssey Marine Dual Purpose Battery at Amazon. …
- Best Budget (Dual Purpose): Bass Pro Shops Battery at Bass Pro Shops. …
- Best Budget (Trolling): Mighty Max Deep Cycle Battery at Amazon. …
- Best Trolling (Small Motor): Mighty Max Trolling Battery at Amazon.
How long will a group 24 battery last?
U134 to 40 Amp hours12 voltsGroup 2470-85 Amp hours12 voltsGroup 2785-105 Amp hours12 volts
How long does a interstate marine battery last?they should last at least 5 years with proper care. You want to charge them when your done using them for the day. It is ok to run them down, thats what they’re made for.
Article first time published onHow many amp hours is a marine deep cycle battery?
Starting Batteries and Battery Ratings This deep-cycle marine/RV battery is rated for 500 MCA (marine cranking amps) and 80 amp-hours. The 140-minute reserve capacity indicates the number of minutes a battery can deliver 25 amps of current without dropping below 10.5 volts.
How much does a interstate marine battery cost?
Part NumberMSRP USDCCA27M-EFB$179.95675SRM-24$124.95550SRM-27$134.95600SRM-31$159.95675
How do I know battery group 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 long will a group 27 battery last?
Group 27 batteries are rather large and powerful batteries, featuring 20h capacity in 66-110 Ah range, providing 600-1000 CCA, 140-220 minutes RC, etc. Their weight depends on the internal construction and it ranges between 54 and 70 pounds (24.5 – 32 kg).
What is the difference between a Group 31 and Group 27 battery?
#4 Difference: CCA Rating Some batteries come with a high CCA but have a low RC. While others have a high RC but a low CCA. Group 27 batteries: 600 – 1,000 CCA. … Group 31 batteries: 600 – 1,150 CCA.
What does DC mean on a marine battery?
Direct Current (DC) The only type of electrical current which a PV module or battery can supply. Most home systems and some RV and boats use an inverter to convert the DC into 117 volts alternating current (AC), which is the standard household power. Discharge and over discharge.
How much does a 24 series battery weight?
On average, group 24 batteries are mostly deep cycle batteries with nominal (20h) capacity of 75-85 Ah, Reserve Capacity of 140-180 minutes and they weigh 43-57 pounds.
How long do RV batteries last?
Check the state of charge on a regular basis, and after the batteries have charged check the water levels. The bottom line is a little routine maintenance and recharging a discharged battery as soon as possible will extend the life of the battery. RV batteries can and should last 5 to7 years, rather than 1 to 2 years.
What does 845 MCA mean on a battery?
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.
What does 27M mean on a battery?
Group SizeLengthHeight24M10-1/4”9-3/4”259-1/16”8-7/8”27M12-1/2”9-3/4”31M13”9-7/16”
What is a battery reserve capacity?
Reserve minutes, also called reserve capacity, is the number of minutes a fully charged battery can sustain a designated constant load — usually 25 amps — before it is fully discharged. For a 12-volt battery, that means battery voltage will have fallen to 10.5 volts.
How do I know if my battery is AGM?
Look at the top of the Battery. If the label is not in good condition, and not helping you much, you can know about the type of battery by looking at its design and construction. Basically, an AGM battery will always have a flat top, and only the negative and positive terminals of the battery will be sticking out.
What is the best deep cycle battery?
- Optima OPT8016-103 Marine Deep-Cycle Battery. …
- Battle Born LiFePO4 Deep-Cycle Battery. …
- VMaxTanks V35-857 Marine Deep-Cycle Battery. …
- Weize 12V 100AH Pure Gel Deep-Cycle Rechargeable Battery. …
- Renogy 12V 200Ah Deep-Cycle Gel Battery. …
- Chins LiFePO4 Deep-Cycle Battery.
What is an AGM battery?
AGM or Absorbent Glass Mat is an advanced lead-acid battery that provides superior power to support the higher electrical demands of today’s vehicles and start-stop applications. AGM batteries are extremely resistant to vibration, are totally sealed, nonspillable and maintenance-free.
What voltage is too low for a 12 volt battery?
The lifespan of your battery will be moderately affected if it remains within this voltage range for extended periods of time. 12.0 volts or below – At 12.0 volts your battery is considered to be fully discharged or ‘flat’ and should be recharged as soon as possible.
What should a 12 volt battery read when fully charged?
Fully 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.
What should a 12 volt battery read under load?
A good battery will sit around 12.6 to 12.8 volts when fully charged. When a good battery is put through a load test equal to its rated CCA (cold cranking amps) its voltage will drop to around 9.6 to 10.5 volts depending on the ambient temperature. It will then shoot back up to ~12.6 volts once the load is removed.
Can I use a trickle charger on a marine battery?
Trickle chargers definitely work for marine batteries because they don’t generate excess heat. During a standard charge, the battery heats up.
Is a marine battery a deep cycle battery?
A marine battery typically falls between a starting and deep cycle battery, although some marine batteries are true deep cycle batteries. Often, the labels “marine” and “deep cycle” are used interchangeably or together, which causes some confusion.
Is there a difference between deep cycle and marine battery?
Overview of Cranking Battery vs. Deep Cycle Marine Battery: A cranking battery ensures a boat can easily start and get out on the water. A deep-cycle (trolling) battery keeps it operating and runs electronics in any conditions.
What is the longest lasting marine battery?
VMAXTANKS MR107-85 Marine Cranking Amps If you’re looking for best 12v deep cycle marine battery with longer service life span, this might be your best marine batteries on the market. This battery is capable of functioning for over 8 years. It provides durability most regular batteries don’t have.