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Buying Guide

7 Best Group 24 Lithium RV Batteries in 2026: A Practical RV Guide

Group 24 LiFePO4 batteries that truly drop into a factory RV tray, compared on exact dimensions, BMS current, cold-charge cutoff, monitoring, and warranty.

By Hardcastle's RV Editors

10 min read7 products evaluated

Group 24 is the battery tray most travel trailers and small motorhomes leave the factory with, and the appeal of a Group 24 lithium battery is simple: swap it in without cutting, drilling, or building a new box.

That only works if the battery really matches the roughly 10.2 x 6.6 x 8.3 inch BCI footprint. We compared 100Ah models that publish dimensions inside that envelope, then ranked them on BMS current, how they handle freezing temperatures, monitoring, and warranty backing.

Hardcastle’s RV field notes

The Rig Fit Check

A quick way to connect the shortlist to the space, workload and ownership details that matter after the box arrives.

Start with the job
LiTime 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth leads this shortlist for buyers comparing capacity, compatibility, included components and storage needs. Use that fit as a reference point, then compare the alternatives against your own space and workload.
Specs that separate the picks
The first details to compare are 100Ah, 21.9 lbs, 150A BMS, 100Ah, 22.16 lbs. Confirm the exact model and included components before ordering.
Trade-off to plan for
Costs far more than other Group 24 picks

The Practical Shortlist

A road-tested-thinking look at 7 options, organized around the job each one suits best.

  1. Best Overall

    LiTime 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth

    buyers comparing capacity, compatibility, included components and storage needs

    Our take Check price for LiTime 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth (opens in a new tab)

  2. Best Value

    GRENERPOWER 12.8V 100Ah Group 24 LiFePO4 with Bluetooth

    owners running a 1200 to 1500W inverter from one battery

    Our take Check price for GRENERPOWER 12.8V 100Ah Group 24 LiFePO4 with Bluetooth (opens in a new tab)

  3. Best for Damp Bays

    Redodo 12V 100Ah Group 24 LiFePO4 with Bluetooth

    tongue-mounted trays exposed to rain and road spray

    Our take Check price for Redodo 12V 100Ah Group 24 LiFePO4 with Bluetooth (opens in a new tab)

  4. Best Waterproof Budget

    HumsiENK 12V 100Ah Group 24 LiFePO4 with Bluetooth

    buyers wanting IP65 and a warranty under $200

    Our take Check price for HumsiENK 12V 100Ah Group 24 LiFePO4 with Bluetooth (opens in a new tab)

  5. Best Cold-Safe Budget

    ABKpower 12V 100Ah Group 24 LiFePO4 with Bluetooth

    shoulder-season campers on a budget

    Our take Check price for ABKpower 12V 100Ah Group 24 LiFePO4 with Bluetooth (opens in a new tab)

  6. Best Drop-In Fit

    LIPULS 12.8V 100Ah Group 24 LiFePO4 Battery

    owners with a shunt monitor wanting a plain drop-in

    Our take Check price for LIPULS 12.8V 100Ah Group 24 LiFePO4 Battery (opens in a new tab)

  7. Best Budget

    RVLithTime 12V 100Ah Mini Group 24 LiFePO4 Battery

    tight budgets swapping out a single lead-acid battery

    Our take Check price for RVLithTime 12V 100Ah Mini Group 24 LiFePO4 Battery (opens in a new tab)

Why Each Pick Made the Cut

LiTime 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth

Best Overall1 of 7

LiTime 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth on Amazon (opens in a new tab)

Choose LiTime 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth for stops charging at freezing to protect cells.

Best for

buyers comparing capacity, compatibility, included components and storage needs

Why it made the shortlist

LiTime 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth is positioned for buyers comparing capacity, compatibility, included components and storage needs. The documented setup centers on 100Ah, 21.9 lbs, low-temp charge cutoff, 5-year warranty.

The feature doing most of the work here is stops charging at freezing to protect cells. Its 100Ah, 21.9 lbs specification sits at the same documented level as the comparable picks in this 2-product comparison. Treat the battery platform and included charger as part of the fit, not just the headline number.

The practical constraint here is costs far more than other Group 24 picks. Confirm whether the battery and charger are included with the exact package. Check platform compatibility and published runtime against the area or workload you need to cover.

Key dimensions & specs

  • 100Ah, 21.9 lbs
  • Low-temp charge cutoff
  • 5-year warranty

Pros

  • Stops charging at freezing to protect cells
  • 5-year warranty plus 24/7 support
  • Bluetooth app pairs by QR code
  • 20+ BMS protections listed

Cons

  • Costs far more than other Group 24 picks
  • 100A BMS limits inverter to about 1000W
GRENERPOWER 12.8V 100Ah Group 24 LiFePO4 with Bluetooth

Best Value2 of 7

GRENERPOWER 12.8V 100Ah Group 24 LiFePO4 with Bluetooth on Amazon (opens in a new tab)

GRENERPOWER 12.8V 100Ah Group 24 LiFePO4 with Bluetooth makes the shortlist because 150A BMS beats the usual 100A limit.

Best for

owners running a 1200 to 1500W inverter from one battery

Why it made the shortlist

This model is aimed at owners running a 1200 to 1500W inverter from one battery. The documented setup centers on 150A BMS, 10.24 x 6.61 x 8.31 in, 21.67 lbs.

The most useful documented advantage is 150A BMS beats the usual 100A limit. Its 10.24 x 6.61 x 8.31 in specification sits at between the lower and upper ends of the comparable range in this 4-product comparison. Check that dimension against access points, working space and storage before choosing.

The main limitation to plan around is cold cutoff stated at 23F, below ideal. Measure the narrowest access point and the available storage footprint before ordering. Confirm what the stated dimension refers to on the exact model and configuration.

Key dimensions & specs

  • 150A BMS
  • 10.24 x 6.61 x 8.31 in
  • 21.67 lbs

Pros

  • 150A BMS beats the usual 100A limit
  • True Group 24 dimensions published
  • App shows SOC, temperature, and fault alerts

Cons

  • Cold cutoff stated at 23F, below ideal
  • Listing leans heavily toward golf cart use
Redodo 12V 100Ah Group 24 LiFePO4 with Bluetooth

Best for Damp Bays3 of 7

Redodo 12V 100Ah Group 24 LiFePO4 with Bluetooth on Amazon (opens in a new tab)

The strongest case for Redodo 12V 100Ah Group 24 LiFePO4 with Bluetooth is waterproof, salt spray, and corrosion protection.

Best for

tongue-mounted trays exposed to rain and road spray

Why it made the shortlist

For tongue-mounted trays exposed to rain and road spray, this is one of the more relevant configurations in the shortlist. The documented setup centers on 100Ah, 22.16 lbs, salt spray resistant, low-temp cutoff.

Its case starts with waterproof, salt spray, and corrosion protection. Its 100Ah, 22.16 lbs specification sits at the same documented level as the comparable picks in this 2-product comparison. Treat the battery platform and included charger as part of the fit, not just the headline number.

The trade-off worth checking first is requires a 0V capable lithium charger at first. Confirm whether the battery and charger are included with the exact package. Check platform compatibility and published runtime against the area or workload you need to cover.

Key dimensions & specs

  • 100Ah, 22.16 lbs
  • Salt spray resistant
  • Low-temp cutoff

Pros

  • Waterproof, salt spray, and corrosion protection
  • Bluetooth shows voltage, current, and power
  • Up to 15,000 cycles at 60 percent depth

Cons

  • Requires a 0V capable lithium charger at first
  • No warranty length stated on listing
HumsiENK 12V 100Ah Group 24 LiFePO4 with Bluetooth

Best Waterproof Budget4 of 7

HumsiENK 12V 100Ah Group 24 LiFePO4 with Bluetooth on Amazon (opens in a new tab)

HumsiENK 12V 100Ah Group 24 LiFePO4 with Bluetooth is the better fit when buyers wanting IP65 and a warranty under $200.

Best for

buyers wanting IP65 and a warranty under $200

Why it made the shortlist

The intended use case is buyers wanting IP65 and a warranty under $200. The documented setup centers on iP65 rated, 8.2 x 6.6 x 10.2 in, uL tested cells.

What separates it on paper is fits Group 24 through 31 boxes. Its 8.2 x 6.6 x 10.2 in specification sits at the upper end of the comparable range in this 4-product comparison. Check that dimension against access points, working space and storage before choosing.

Before committing, account for low-temp shutdown temperature not specified. Measure the narrowest access point and the available storage footprint before ordering. Confirm what the stated dimension refers to on the exact model and configuration.

Key dimensions & specs

  • IP65 rated
  • 8.2 x 6.6 x 10.2 in
  • UL tested cells

Pros

  • Fits Group 24 through 31 boxes
  • 5-year warranty and 24-hour support

Cons

  • Low-temp shutdown temperature not specified
  • 100A BMS caps inverter size
ABKpower 12V 100Ah Group 24 LiFePO4 with Bluetooth

Best Cold-Safe Budget5 of 7

ABKpower 12V 100Ah Group 24 LiFePO4 with Bluetooth on Amazon (opens in a new tab)

Choose ABKpower 12V 100Ah Group 24 LiFePO4 with Bluetooth for clear 32F charge cutoff stated.

Best for

shoulder-season campers on a budget

Why it made the shortlist

ABKpower 12V 100Ah Group 24 LiFePO4 with Bluetooth is positioned for shoulder-season campers on a budget. The documented setup centers on stops charging below 32F, iP65 casing, 21 lbs.

The feature doing most of the work here is clear 32F charge cutoff stated. Against the other 6 picks, the useful comparison starts with stops charging below 32F and iP65 casing. Those details show whether its configuration suits the job better than a neighboring recommendation.

The practical constraint here is no warranty term on listing. Confirm whether the stated figure refers to product weight or rated working capacity. Compare it with your lifting, transport and support requirements before deciding.

Key dimensions & specs

  • Stops charging below 32F
  • IP65 casing
  • 21 lbs

Pros

  • Clear 32F charge cutoff stated
  • IP65 waterproof case
  • Lightest Group 24 here at 21 lbs

Cons

  • No warranty term on listing
  • Bluetooth shows voltage only per listing
LIPULS 12.8V 100Ah Group 24 LiFePO4 Battery

Best Drop-In Fit6 of 7

LIPULS 12.8V 100Ah Group 24 LiFePO4 Battery on Amazon (opens in a new tab)

LIPULS 12.8V 100Ah Group 24 LiFePO4 Battery makes the shortlist because exact BCI Group 24 dimensions published.

Best for

owners with a shunt monitor wanting a plain drop-in

Why it made the shortlist

This model is aimed at owners with a shunt monitor wanting a plain drop-in. The documented setup centers on 10.23 x 6.61 x 8.30 in, 100A BMS, 22.57 lbs.

The most useful documented advantage is exact BCI Group 24 dimensions published. Its 10.23 x 6.61 x 8.30 in specification sits at the lower end of the comparable range in this 4-product comparison. Check that dimension against access points, working space and storage before choosing.

The main limitation to plan around is no Bluetooth monitoring. Measure the narrowest access point and the available storage footprint before ordering. Confirm what the stated dimension refers to on the exact model and configuration.

Key dimensions & specs

  • 10.23 x 6.61 x 8.30 in
  • 100A BMS
  • 22.57 lbs

Pros

  • Exact BCI Group 24 dimensions published
  • Cylindrical cells help with heat management
  • Fits Group 24, 27, and 31 trays

Cons

  • No Bluetooth monitoring
  • Cold cutoff temperature not stated
RVLithTime 12V 100Ah Mini Group 24 LiFePO4 Battery

Best Budget7 of 7

RVLithTime 12V 100Ah Mini Group 24 LiFePO4 Battery on Amazon (opens in a new tab)

The strongest case for RVLithTime 12V 100Ah Mini Group 24 LiFePO4 Battery is states charge range of 32F to 113F.

Best for

tight budgets swapping out a single lead-acid battery

Why it made the shortlist

For tight budgets swapping out a single lead-acid battery, this is one of the more relevant configurations in the shortlist. The documented setup centers on 10.2 x 6.65 x 8.39 in, charges 32F to 113F, 100A BMS.

Its case starts with states charge range of 32F to 113F. Its 10.2 x 6.65 x 8.39 in specification sits at between the lower and upper ends of the comparable range in this 4-product comparison. Check that dimension against access points, working space and storage before choosing.

The trade-off worth checking first is no Bluetooth monitoring. Measure the narrowest access point and the available storage footprint before ordering. Confirm what the stated dimension refers to on the exact model and configuration.

Key dimensions & specs

  • 10.2 x 6.65 x 8.39 in
  • Charges 32F to 113F
  • 100A BMS

Pros

  • States charge range of 32F to 113F
  • Up to 15,000 cycles at 60 percent depth

Cons

  • No Bluetooth monitoring
  • No warranty term on listing
  • Not for starting or golf carts

How We Built This Shortlist

Each pick was assessed across 5 criteria weighted for real-world use.

Published Group 24 Dimensions
We only kept batteries whose listed size fits about 10.2 x 6.6 x 8.3 inches, the BCI Group 24 envelope.
BMS Current
We compared continuous BMS ratings, since 100A versus 150A decides how large an inverter one battery can run.
Cold-Charge Behavior
We ranked stated charging cutoffs at 32F above lower or unspecified values.
Weather Protection
We credited IP65, waterproof, or corrosion claims because many Group 24 trays sit on an open tongue.
Monitoring and Warranty
We weighed Bluetooth apps and stated warranty terms as real ownership value.

What Matters Before You Choose a Group 24 Lithium RV Battery

Key buying criteria so you get the right fit the first time.

  1. Verify Real Group 24 Size

    BCI Group 24 is roughly 10.2 x 6.6 x 8.3 inches, but lithium sellers sometimes use the label loosely. A battery even half an inch too tall can foul the hold-down or lid. Compare listed dimensions, including terminals, to your tray and box.

  2. Match BMS Current to Loads

    Most Group 24 lithium batteries use a 100A BMS, good for roughly a 1000W inverter. A 150A BMS stretches that to around 1500W. Check the continuous amp rating, and plan two batteries if you run a microwave or air fryer.

  3. Check the Cold-Charge Cutoff

    Charging LiFePO4 below 32F causes lithium plating that permanently reduces capacity. Tongue-mounted Group 24 batteries are fully exposed to cold air. Look for a stated charge cutoff of 32F, not a vague cold-protection claim.

  4. Look for Weather Resistance

    Open trays face rain, road spray, and in coastal areas, salt. IP65 or corrosion-resistant claims mean better sealed cases. Look for an IP rating in the bullets, or keep the battery inside a vented box.

  5. Plan the Charging Profile

    A Group 24 lithium will often sit at partial charge on an older lead-acid converter. A lithium mode around 14.4 to 14.6V fixes that. Check your converter model and the battery's recommended charge voltage before installing.

  6. Watch for Activation Requirements

    Some batteries ship in sleep mode and need a lithium charger with 0V activation to wake up. Without it, the battery may look dead out of the box. Read the listing notes for first-charge instructions.

Match a Group 24 Lithium RV Battery to Your RV

By Mounting Location

Where the tray isPick
Open trailer tongueRedodo 12V 100Ah Group 24
Exposed tray on a budgetHumsiENK 12V 100Ah
Inside a sealed compartmentLIPULS 12.8V 100Ah
Interior bench seatLiTime 12V 100Ah Group 24
Outside, cold-climateABKpower 12V 100Ah

By Budget

BudgetPick
Under $135RVLithTime 12V 100Ah Mini
$150 to $170ABKpower 12V 100Ah or LIPULS 12.8V 100Ah
$175 to $195GRENERPOWER 12.8V 100Ah or HumsiENK 12V 100Ah
$250 to $270Redodo 12V 100Ah Group 24
Over $300LiTime 12V 100Ah Group 24

Bluetooth vs No Bluetooth

Built-in Bluetooth
An app shows charge, current, and alerts with no extra wiring. In this list: the LiTime 12V 100Ah Group 24, GRENERPOWER 12.8V 100Ah, Redodo 12V 100Ah Group 24, HumsiENK 12V 100Ah, and ABKpower 12V 100Ah.
No Bluetooth
Cheaper, but you need a shunt monitor since LiFePO4 voltage barely changes. That is the LIPULS 12.8V 100Ah and RVLithTime 12V 100Ah Mini.

Most owners should choose a Bluetooth model unless a shunt monitor is already installed.

By Inverter Size

InverterPick
None, 12V loads onlyRVLithTime 12V 100Ah Mini
Up to 1000WABKpower 12V 100Ah
1000 to 1500WGRENERPOWER 12.8V 100Ah
2000WTwo of the HumsiENK 12V 100Ah in parallel

For a Small Travel Trailer Swap Specifically

Look for
Group 24 dimensions, a 32F charge cutoff, Bluetooth, and a converter that has or can be switched to a lithium mode.
In this comparison
The ABKpower 12V 100Ah checks all three battery boxes at a budget price, which leaves room to upgrade the converter.

When to Spend More

Spend more if
You want long support and a well-documented brand. The LiTime 12V 100Ah Group 24 adds a 5-year warranty and insurance.
Save if
You camp on hookups and have a monitor. The RVLithTime 12V 100Ah Mini does the core job for less than half the price.

Before You Bring One Home

Will a Group 24 lithium battery fit my existing battery box?

Usually yes if the listed dimensions are within about 10.2 x 6.6 x 8.3 inches. Check terminal height under the lid and confirm the hold-down strap length.

What mistake do people make swapping a Group 24 to lithium?

Leaving the converter on a lead-acid profile. The battery may never fully charge, so enable a lithium mode or upgrade the converter.

Is one Group 24 lithium worth it over two 6V lead-acid batteries?

For weight and usable energy, often yes: a 100Ah lithium gives nearly all its capacity, similar to the usable portion of two 6V golf cart batteries at a fraction of the weight. Two lead-acid 6Vs still store more total energy, so heavy boondockers may want two lithium batteries.

How do I install a Group 24 lithium battery?

Disconnect shore power and the battery switch, remove the old negative then positive cable, set the new battery in the tray, and connect positive then negative. Then update any converter or solar charge settings.

Can a Group 24 lithium battery start my motorhome engine?

No. These are deep-cycle house batteries, and several listings specifically say not to use them for starting. Keep the chassis battery separate.

How do I keep it healthy over winter?

Disconnect it or switch it off, store it around half charged, and do not charge it below 32F. Check it every few months.

Bottom Line

Best overall: LiTime 12V 100Ah Group 24 LiFePO4 Battery with Bluetooth — best overall pick in this roundup. See the full verdicts above for every pick, with pros, cons and who each one suits.

Browse all group 24 lithium rv batteries on Amazon — Prime-eligible options with current pricing.