LiTime 12V 100Ah Xtra-Mini LiFePO4 Lithium Battery
The LiTime Xtra-Mini is a compact LiFePO4 deep-cycle battery rated at 12.8V, 100Ah and 1,280Wh. It comes in a Group 22NF-sized case, weighs about 19 lb, and includes Bluetooth monitoring and low-temperature charging protection. It suits RV, marine and off-grid power.
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Will This Battery Work in Your Setup?
This is a house battery for deep-cycle use, not a starter battery. Run this quick check before you buy.
The older LiTime 12V 100Ah Mini is a different battery. LiTime lists it with other dimensions and without Bluetooth or low-temperature protection. LiTime also states that the Xtra-Mini is not suitable for starting batteries, golf cart batteries or jacks. Check the label and manual of the unit you buy.
LiTime 12V 100Ah Xtra-Mini Specifications
| Property | Detail |
|---|---|
| Brand / model | LiTime 12V 100Ah Xtra-Mini (Bluetooth), Group 22NF size |
| Chemistry | Lithium iron phosphate (LiFePO4), rechargeable |
| Nominal voltage | 12.8 V |
| Rated capacity | 100 Ah |
| Rated energy | 1,280 Wh |
| Built-in BMS | 100 A |
| Max continuous charge / discharge | 100 A / 100 A |
| Max continuous output power | 1,280 W (DC rating) |
| Surge rating | 500 A for 1 second (LiTime also advertises 300 A for 5 seconds) |
| Internal resistance | ≤ 40 mΩ |
| Charging method | CC/CV |
| Charging voltage | 14.4 V ±0.2 V |
| Recommended charge current | 20 A (0.2C) |
| Dimensions (L × W × H) | 9.02 × 5.43 × 8.19 in (about 229 × 138 × 208 mm) |
| Weight | About 19.13 lb (8.68 kg) |
| Terminals | M8 bolts, top mounted |
| Housing / protection | ABS case, IP65 (dust-tight, water-jet resistant, not for immersion) |
| Charging temperature | 0°C to 50°C (32°F to 122°F) |
| Discharging temperature | −20°C to 60°C (−4°F to 140°F) |
| Storage temperature | −10°C to 50°C (14°F to 122°F) |
| Low-temperature protection | Charging stops below 0°C and resumes at 5°C or above. Discharging stops below −20°C. |
| Self-heating | Not included |
| Bluetooth monitoring | Bluetooth 5.0 with the LiTime app (about 10 m advertised range) |
| Cycle life claim | 4,000 cycles at 100% DoD, 6,000 at 80% DoD, 15,000 at 60% DoD |
| Expansion | Up to 4 in series and 4 in parallel (16 batteries) |
| Listed compliance | FCC ID, CE, RoHS, UN38.3, MIC (as listed by LiTime) |
| Warranty | 5-year limited warranty for new units, original purchaser, proof of purchase required |
All values are LiTime manufacturer ratings, not independent test results. Cycle life depends on use and temperature. The 1,280 W figure is a DC rating, not household AC output. LiTime lists slightly different dimensions in one FAQ, so confirm the size of your unit before a tight install.
Battery Replacement Difficulty
Swapping in an identical LiFePO4 battery is a light job. Moving from lead-acid is harder, because the charger, wiring, fuse and mounting may need changes. Tap a slice to highlight it.
- 35% Checking system compatibility
- 15% Removing the old battery
- 30% Mounting & connecting
- 20% Setup & testing
Difficulty score and effort split are an editorial estimate, not a LiTime rating. Because the battery weighs only about 19 lb, most of the effort goes into electrical checks, not lifting.
How to Replace Your Battery With the Xtra-Mini
Tap each step to tick it off as you go.
- 1Prepare and isolate the systemSwitch off loads and the inverter. Disconnect shore power, solar, generator and alternator charging, then open the battery disconnect.
- 2Remove the old batteryLabel the cables. In a standard negative-ground setup, disconnect the negative cable first, then the positive. Release the hold-down and lift the battery out.
- 3Mount the Xtra-MiniPlace it in the tray and secure it so it cannot slide or pull on the terminals. Follow the mounting orientation in the manual supplied with your unit.
- 4Connect the cablesCheck polarity with a meter. Connect positive first and negative last, using M8 hardware tightened to the torque in the manual. Fit the terminal covers.
- 5Set charging and testSelect a LiFePO4 profile (14.4V ±0.2V) and turn off lead-acid equalization. Restore the charging sources, start with a small load, then check readings in the LiTime app.
LiTime states that after first receiving the battery or switching it off, you need a lithium-activation charger or an MPPT charger to activate the Bluetooth function. Also check the connections, the fuse and the battery temperature.
The 100A BMS does not replace a fuse. Pick the fuse, breaker and cable size for your own circuit. If you are replacing one battery in a bank, use matched batteries.
What Can Run on This Battery?
These are typical uses for a 12V LiFePO4 house battery. Always confirm voltage, current and charging needs in your device manual first.
- RV house powerLights, fans & water pump
- 12V DC fridgesCheck running current
- Camping power boxesUSB & 12V outlets
- Van & truck auxiliaryNot for engine starting
- Trolling motorsMatch voltage & amps
- Fish finders & sonarCheck input voltage
- Marine electronicsNavigation & lighting
- Solar storageNeeds a LiFePO4 controller
- Home energy storageAs part of a larger system
- Inverter backupModest AC loads only
- Mobility equipmentAsk the device maker
- Cleaning machinesAsk the device maker
Safety, Charging & Storage
Charging stops when the battery temperature falls below 0°C (32°F) and resumes at 5°C (41°F) or above. This model has no self-heating. IP65 means dust-tight and water-jet resistant, which means it is not rated for submersion.
- Do not use it as a starting, golf cart or jack battery.
- Use a LiFePO4 charger, a DC-DC charger for alternator charging, or a compatible solar controller.
- For long storage, keep it at about 50% charge and disconnected, in a space from −10°C to 50°C.
- Do not open the case. Keep used batteries out of household trash and recycling bins.
- Take it to a battery recycling or household hazardous waste point that accepts large batteries, with the terminals covered.
LiTime 12V 100Ah Xtra-Mini: FAQ
Is the LiTime Xtra-Mini a 12V or 12.8V battery?
Both labels are used. 12V is the system class, and the published nominal voltage is 12.8V. LiTime lists the charging voltage as 14.4V ±0.2V.
Can I use it as an engine starting battery?
No. LiTime states that this battery is not suitable for starting batteries, golf cart batteries or jacks. The 500A one-second surge rating is not a cold-cranking rating.
Does it have low-temperature protection and self-heating?
It has low-temperature protection but no self-heating. Charging stops below 0°C (32°F) and resumes at 5°C (41°F) or above. Discharging stops below −20°C (−4°F).
Can I connect more than one battery?
Yes. LiTime allows up to four batteries in series and four in parallel, 16 in total. Use matched batteries and follow the manual.
Is the older LiTime 12V 100Ah Mini the same battery?
No. The older Mini has different dimensions and, according to LiTime, no Bluetooth or low-temperature protection. Check the label and manual of the unit you buy.
Is IP65 the same as waterproof?
No. IP65 means dust-tight and protected against low-pressure water jets. It is not an immersion rating.
What warranty does it have?
LiTime’s U.S. policy gives a five-year limited warranty on new batteries to the original purchaser, with proof of purchase. Misuse and unauthorized repair are excluded.
