Product Specifications for 12V 12Ah LiFePO4 Rechargeable Battery (144Wh)
| BM Part #: | LF-LA12V12A |
|---|---|
| Voltage: | 12.8 Volt (Nominal) |
| Capacity: | 12 Ah |
| Energy Capacity: | 144 Wh |
| Terminals: | F2 (0.25") |
| Type: | LiFePO4 |
| Length: | 6.10" |
| Width: | 2.59" |
| Height: | 3.7" |
| Shipping Weight: | 3.00Lbs |
| Warranty: | 1 Year |
- High-Capacity Lead-Acid Replacement: Delivers 12Ah and 144Wh of usable energy in a compact 6.10" x 2.59" x 3.70" package — ready to slot into most standard 12V SLA battery compartments.
- 2,000+ Cycle Life: Rated for over 2,000 full charge cycles at 80%+ retained capacity, dramatically outlasting the typical 200–300 cycle lifespan of sealed lead-acid batteries.
- Weighs Just 2 lbs 10 oz: Roughly two-thirds lighter than a comparable 12V lead-acid battery — a meaningful difference in any installation where weight matters.
- Stable Voltage Output: Maintains consistent power delivery throughout the discharge cycle, unlike lead-acid batteries that begin fading in voltage well before they're fully depleted.
- Operates from -4°F to 140°F: A wide discharge temperature range makes this battery suitable for outdoor installations, cold-climate use, and hot summer environments alike.
- UN38.3 Certified: Independently tested and certified to meet the international safety standard for lithium battery transport — shipped compliantly and validated well beyond everyday use conditions.
Product Description
The 12-volt platform powers more devices than just about any other voltage in the world — from solar energy systems and RV accessories to security panels, fish finders, and portable power stations. If any of those are part of your setup, this 12V 12Ah LiFePO4 battery offers a compelling case for replacing your old sealed lead-acid unit: more energy cycles, significantly less weight, and steady power output that doesn't taper off as the battery drains.
Built on the Most Trusted Lithium Chemistry
LiFePO4 — Lithium Iron Phosphate — has become the chemistry of choice for applications where reliability and safety matter most. It runs cooler and more stably than most other lithium technologies, with a natural resistance to overheating that makes it well-suited for enclosed battery compartments, outdoor enclosures, and installations that aren't checked frequently. Unlike lead-acid, it contains no corrosive acid and no toxic heavy metals, which makes both installation and eventual disposal considerably cleaner.
Cycle Life That Changes the Math
A typical 12V sealed lead-acid battery lasts 200–300 charge cycles before it starts losing meaningful capacity — often less in hot climates or deep discharge situations. This LiFePO4 battery is rated for 2,000+ cycles while retaining 80% or more of its original capacity. In a solar backup system cycled daily, that's potentially years of additional service life before a replacement is needed. The upfront investment pays for itself well before you'd be shopping for your third or fourth lead-acid replacement.
144Wh of Dependable, Consistent Power
With a typical capacity of 12Ah and 144Wh of usable energy, this battery has enough capacity to handle demanding applications — running security systems through extended outages, powering fish finders and trolling motor accessories for a full day on the water, or serving as a reliable reserve in an off-grid solar setup. A maximum discharge rate of 12 amps gives it headroom for devices with higher startup draw. And unlike lead-acid batteries, which gradually sag in voltage as they discharge, LiFePO4 holds a stable output voltage through most of its cycle — so your equipment performs consistently right up to the end of the charge.
Dramatically Lighter Than Lead-Acid
At 2 lbs 10 oz, this battery weighs a fraction of what a standard 12V sealed lead-acid battery of comparable capacity would — typically in the range of 7–9 lbs. That's a weight reduction of more than two-thirds. In applications where batteries are installed overhead, in tight spaces, or carried into the field, that difference is immediately felt. The compact footprint of 6.10" x 2.59" x 3.70" is sized to fit into most standard 12V SLA battery compartments without modification.
Wide Operating Temperature Range
Discharge is rated for temperatures from -4°F all the way to 140°F, making this battery capable of handling everything from sub-freezing winter conditions to the heat of a summer installation in full sun. Charging is rated between 32°F and 104°F, which covers nearly all standard environments. For storage, cooler is better — temperatures near room temperature (around 68°F or below) are ideal for long-term capacity retention.
UN38.3 Certified Safety
This battery carries UN38.3 certification, the internationally recognized standard for lithium battery safety in transport. Testing covers altitude simulation, extreme temperature conditions, vibration, mechanical shock, and short-circuit scenarios — conditions well beyond typical everyday use. Certification means the battery has been independently validated to perform safely under demanding circumstances, not just optimal ones.
Where This Battery Fits
The 12V 12Ah form factor is one of the most versatile in the battery world. Common applications include solar energy storage and off-grid power systems, RV and marine auxiliary power, UPS and emergency backup power, home security and alarm panels, electric fencing, portable ham radio setups, trail cameras, electric wheelchairs and mobility scooters, and fish finders. Wherever a 12V sealed lead-acid battery currently lives in your setup, this is worth a serious look as a long-term replacement.
Important: This battery requires a LiFePO4-compatible charger. Standard lead-acid chargers use a different charge profile and should never be used — doing so can damage the battery and void any warranty coverage.
Frequently Asked Questions
Will this fit in my current 12V sealed lead-acid battery compartment?
In most cases, yes. This battery measures 6.10" x 2.59" x 3.70", which is designed to be compatible with standard 12V SLA battery footprints. That said, battery compartments do vary by manufacturer and device, so it's worth measuring your space before ordering to confirm the fit.
Do I need a special charger for this battery?
Yes. This battery requires a charger designed specifically for LiFePO4 chemistry, rated for a 12.8V LiFePO4 pack. Standard 12V lead-acid chargers operate on a different charging profile and should never be used — they can damage the battery or cause it to underperform. If you need a compatible charger, we carry several options suited to this battery.
How long does a full charge take?
At the standard charge rate of 2.4 amps, expect a full charge in 6–7 hours. Using a compatible fast charger at up to 12 amps brings that down to 3–4 hours.
What's the real-world advantage over a lead-acid battery?
The biggest differences come down to longevity, weight, and performance consistency. This battery is rated for 2,000+ cycles compared to 200–300 for a typical lead-acid — potentially 10 times longer between replacements. It also weighs more than two-thirds less and maintains a stable voltage output throughout its discharge, rather than gradually fading. Over time, those advantages translate into fewer replacements, better device performance, and lower total cost.
What devices and applications is this battery commonly used for?
The 12V 12Ah platform covers a wide range of applications, including solar energy storage, RV and marine auxiliary power, UPS and emergency backup systems, home security and alarm panels, electric fencing, trail cameras, portable ham radio setups, fish finders, and electric mobility devices. If your device currently uses a 12V sealed lead-acid battery, this is a strong long-term replacement candidate.
How should I store this battery when it's not in use?
For storage of less than one month, temperatures between -4°F and 140°F are acceptable. For up to three months, store between -4°F and 113°F. For storage up to one year, aim for -4°F to 68°F — a cool, stable environment near room temperature will preserve the charge and overall battery health best over the long term.
