LiTime’s 12V 100Ah Group 24 LiFePO4 battery stores 1,280Wh in a standard Group 24 footprint of 10.23 × 6.61 × 8.22 inches and weighs about 21 pounds, according to LiTime’s U.S. product page. LiTime rates it for 4,000 cycles at 100% depth of discharge and 6,000 cycles at 80%, with a 100A battery management system and a 5-year warranty. On Oct. 17, 2026, LiTime listed the standard version at $319.99, down from $369.99, with Bluetooth and self-heating versions priced higher. This review covers the specs, how the four Group 24 versions differ, and where this size makes the most sense.
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Specs come from LiTime’s product page and spec table for the LiTime 12V 100Ah Group 24. I haven’t tested this exact battery yet, though I’ve charged LiTime’s 12V 50Ah from 2.7V to full in my LiTime 50Ah battery review, using the charger from my LiTime 20A charger review. Runtimes below are estimates.
Spec Sheet
| Spec | LiTime 12V 100Ah Group 24 (standard) |
|---|---|
| Nominal voltage / capacity | 12.8V, 100Ah |
| Energy | 1,280Wh |
| Cycle life | 4,000 at 100% DOD; 6,000 at 80%; 15,000 at 60% |
| BMS | 100A |
| Continuous charge / discharge | 100A / 100A (1,280W output) |
| Short bursts | 280A for 5 seconds; 400A for 1 second |
| Charge voltage | 14.4V ± 0.2V (CC/CV) |
| Recommended charge current | 20A |
| Charge temperature | 32°F to 122°F |
| Discharge temperature | -4°F to 140°F |
| Low-temperature charge protection | Not listed on the standard version |
| Expansion | Up to 4 in series and 4 in parallel (4P4S, 16 batteries) |
| Terminals | M8 bolts |
| Size / weight | 10.23 × 6.61 × 8.22 in; about 21 lb |
| Enclosure | ABS, IP65 |
| Internal resistance | ≤40mΩ |
| Certifications | FCC, CE, RoHS, UN38.3 |
| Warranty | 5 years |
| Price (LiTime U.S., Oct. 17, 2026) | $319.99 (list $369.99) |
Four Group 24 Versions, Side by Side
LiTime sells several 12V 100Ah batteries in the same Group 24 size. Prices are from LiTime’s U.S. store on Oct. 17, 2026, and features are from each product’s listing.
| Version | Price | What it adds | Best for |
|---|---|---|---|
| Standard Group 24 | $319.99 | The base battery: 100A BMS, IP65 | Mild-climate RVs, solar, trolling motors |
| Group 24 Bluetooth | $365.99 | Bluetooth 5.0 app monitoring, low-temp charge cut-off, 500A 1-second peak | Anyone who wants to see state of charge on a phone |
| LiHeat Group 24 self-heating | $409.99 | Self-heating for cold-weather charging | Charging below freezing |
| 12V 100Ah 900 CCA dual-purpose marine | $399.99 | 900 cold cranking amps, Bluetooth, auto heating | Boats that need one battery to start the engine and run accessories |
The standard and Bluetooth versions are not starting batteries; LiTime says to use them for energy storage only. If you need to crank an outboard, the dual-purpose model is the one LiTime designs for that job.
Lighter Than the Lead-Acid It Replaces
LiTime puts the battery’s energy density at 60.95Wh per pound, compared with 7.23Wh per pound for a Group 24 AGM battery, which it describes as about eight times higher. In practical terms, you get 1,280Wh in a 21-pound battery, and you can use nearly all of it. A lead-acid battery is usually limited to about half its rated capacity for long life. That’s why a 100Ah lithium battery is often compared with roughly 200Ah of lead-acid. Our 100Ah battery runtime guide walks through the math.
What It Can Run
The BMS allows 100A continuous, or 1,280W at 12.8V. That covers an inverter up to about 1,000W of continuous load with a little headroom; the 280A five-second rating helps with motor starts. Our guide to inverter size for a 100Ah battery covers the details.
| Load | Typical draw (estimate) | Runtime from full (estimate) |
|---|---|---|
| 12V compressor fridge | ~35–45Ah per day | ~2–2.5 days |
| Starlink Mini, 30W | ~2.3A | ~38 hours |
| LED lights + water pump + fans (RV evening) | ~5A average | ~18 hours |
| CPAP, 40W via DC | ~3.1A | ~29 hours, or about three nights |
| Trolling motor, 55 lb thrust at medium speed | ~20–30A | ~3–4.5 hours |
Estimates use about 90% of rated capacity. Trolling motor draw varies widely with speed, wind and boat weight.
Charging It Correctly
- Charger: a LiFePO4 profile at 14.4V ± 0.2V. LiTime recommends 20A, which refills the battery from empty in roughly five to six hours. If you’re curious what the LEDs mean on LiTime’s own charger, see our LiTime charger lights guide.
- Solar: any MPPT controller with a LiFePO4 setting works. A 200–400W array suits one battery.
- Alternator: use a DC-DC charger between the vehicle and the battery to control current.
- Cold weather: LiTime lists a charge range of 32°F to 122°F, and the standard version doesn’t list low-temperature charge protection. If the battery might be charged below freezing, choose the Bluetooth version with low-temp cut-off or the self-heating LiHeat version.
- First use: LiTime notes that after the battery is manually powered off, you connect a charger to turn it back on.
Building a Bank: Series and Parallel
LiTime allows up to four batteries in parallel and four in series, for a maximum of 16 in a 4P4S bank, or 20.48kWh. LiTime says every battery in a bank should have the same capacity and BMS rating, come from the same brand, and ideally be bought within about a month of each other.
| Configuration | System voltage | Energy | Typical use |
|---|---|---|---|
| 1 battery | 12V | 1.28kWh | Small RV, trolling motor, Starlink kit |
| 2 in parallel | 12V | 2.56kWh | RV with a 2,000W inverter |
| 2 in series | 24V | 2.56kWh | 24V trolling motors, 24V solar systems |
| 4 in series | 48V | 5.12kWh | 48V inverter-chargers, off-grid sheds |
| 4P4S (16 batteries) | 48V | 20.48kWh | The maximum LiTime supports |
For a 24V build, LiTime’s single 24V 100Ah battery is an alternative to two 12V units in series. Our series vs parallel guide covers wiring.
Group 24 vs the Mini Version
LiTime’s 12V 100Ah Mini packs the same capacity into a smaller case that isn’t a standard battery group size. The Group 24 version is the better pick when you’re replacing a Group 24 lead-acid battery and want it to drop into the same tray or battery box, with M8 bolt terminals. The Mini makes more sense when space is very tight. Our LiTime 12V 100Ah Mini review covers it.
Installing It in a Group 24 Tray
Because it matches the Group 24 footprint, the battery usually fits the same tray, hold-down or battery box as the lead-acid unit it replaces. LiTime also sells a Group 24/27/31 battery box with a built-in voltmeter. A few things to check during a swap:
- Terminals: the M8 bolts take ring terminals. If your old battery used post clamps, you’ll need ring-terminal cables or adapters.
- Charging sources: any converter, solar controller or shore charger connected to the battery should have a lithium or LiFePO4 profile. A lead-acid equalization mode should be turned off.
- Fusing: put a fuse close to the positive terminal, sized for your cable and the BMS’s 100A continuous rating.
- Mounting: LiTime rates the case IP65, which helps in a boat or exterior compartment, but secure the battery so it can’t shift.
Our RV lithium conversion guide lists the parts most RVs need, and our LiTime battery monitor setup guide adds state-of-charge tracking to the standard version.
Cycle Life in Real Terms
LiTime’s three cycle figures show how gentler use extends life. These conversions to years are our estimates and ignore calendar aging, so treat them as a ceiling rather than a promise.
| Depth of discharge | Rated cycles | One cycle a day | Weekend use (~100 cycles a year) |
|---|---|---|---|
| 100% | 4,000 | ~11 years | Decades on paper |
| 80% | 6,000 | ~16 years | Decades on paper |
| 60% | 15,000 | ~41 years | Decades on paper |
Who It’s For
- RV and camper owners replacing a Group 24 lead-acid house battery.
- Anglers with 12V trolling motors, or 24V and 36V motors using two or three in series.
- Small solar builds, like a shed, a Starlink kit or a portable power box.
- Budget buyers, since the standard version is the least expensive of LiTime’s Group 24 options.
FAQ
How much does the LiTime 12V 100Ah Group 24 weigh?
About 21 lb, per LiTime.
Can it start an engine?
No. LiTime says the standard Group 24 battery isn’t for starting. Its 900 CCA dual-purpose marine model is designed for that.
Can I charge it below freezing?
LiTime lists a 32°F minimum charge temperature, and the standard version doesn’t list low-temp charge protection. Choose the Bluetooth (low-temp cut-off) or self-heating version for cold climates.
How many can I connect together?
Up to 16 in a 4P4S bank, per LiTime: four in series and four in parallel.
Does it have Bluetooth?
Not the standard version. LiTime sells a Group 24 Bluetooth version for $365.99.
What size inverter can it run?
The 100A BMS supports about 1,280W continuous, so an inverter around 1,000W is a comfortable match for one battery.
Bottom Line
The LiTime 12V 100Ah Group 24 is a straightforward drop-in upgrade for a Group 24 lead-acid battery: 1,280Wh in about 21 pounds, a 100A BMS, 4,000 full cycles and a 5-year warranty, at $319.99 on LiTime’s store. Spend a little more for the Bluetooth or self-heating version if you’ll charge in freezing weather or want app monitoring.