# What is the difference between a 24 and 27 deep cycle battery?

## What is the difference between a 24 and 27 deep cycle 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 long will a 27 deep cycle battery last?**

Most deep cycle batteries can last up to six years with proper care and charging (depending on the frequency of use). It’s up to you to make sure that your battery isn’t being damaged by your charging routine.

**What do the numbers on a deep cycle battery mean?**

Deep cycle batteries are typically rated to a certain number of cycles at a depth of discharge. Example: A battery might be rated to perform 1650 cycles at 30% depth of discharge. This means that the battery should withstand being discharged 30% and then recharged to full 1650 times.

### What does 27M mean on a battery?

Marine Battery Group Size Chart – Common Sizes

Group Size | Length | Height |
---|---|---|

24M | 10-1/4” | 9-3/4” |

25 | 9-1/16” | 8-7/8” |

27M | 12-1/2” | 9-3/4” |

31M | 13” | 9-7/16” |

**What does 24M mean on a battery?**

Marine Battery Group Size Chart – Common Sizes

Group Size | Length | Width |
---|---|---|

24M | 10-1/4” | 6-13/16” |

25 | 9-1/16” | 6-7/8” |

27M | 12-1/2” | 6-13/16” |

31M | 13” | 6-13/16” |

**How many amp hours are in a group 27 battery?**

85-105 Amp hours

Some common battery size codes used are: (ratings are approximate)

U1 | 34 to 40 Amp hours | 12 volts |
---|---|---|

Group 24 | 70-85 Amp hours | 12 volts |

Group 27 | 85-105 Amp hours | 12 volts |

Group 31 | 95-125 Amp hours | 12 volts |

4-D | 180-215 Amp hours | 12 volts |

#### What does the 27 mean in a deep cycle battery?

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 do numbers on deep cycle batteries mean?**

**How long will a 35ah battery last?**

12 V, 35 AH battery works out to be something like 420 Watt Hours. A 85 Watt fan would run for about 5 hours – in theory. Practically, it would be less. Assuming an Invertor and Battery efficiency of 75% and 80%, it would be about 3 to 3.5 hours.

## How many times can you recharge a deep cycle battery?

New batteries can take up to 50 charge/discharge cycles before they reach their rated capacity. Depending on your application, batteries with 80% or less of their original capacity are considered to be bad.

**What size is a 27m battery?**

– Group 27 dimensions: 12.0625 x 6.8125 x 8.875 inches (306 x 173 x 225 mm).

**How many amp hours is a 27DC battery?**

Specifications

Cold Cranking Amps | 600 |

Cranking Amps | 750 |

(RC) Min @ 25 Amp | 160 |

Amp Hours | 88 |

Length | 12-3/4 |

### What is a group 27 deep cycle battery?

**What is the size difference between a Group 24 and Group 27 battery?**

The actual difference in size between groups 24 and 27 is 1.8125 inches (46 mm) in length, while the width and height are the same (W: 6.8125 inches (173 mm), H: 8.875 inches (225 mm)).