10 Best 48V 300Ah LiFePO4 Batteries of 2025 – Long-Lasting Power for Off-Grid and Solar Systems

Choosing the right 48V 300Ah LiFePO4 battery can make or break an off-grid setup, so we focus on cycle life, BMS strength, monitoring options, and real-world scalability. We’ll compare packs with Bluetooth or RS485/CAN, low‑temp protection, and parallel capability that push systems from 15.36 kWh to 76.8 kWh. We’ll also flag rack-mount designs and charger compatibility. If you want reliable solar storage without guesswork, here’s where it gets practical.

Key Takeaways

• Prioritize 48V 300Ah packs with RS485/CAN plus Bluetooth/WiFi for inverter integration, app SOC, per‑cell data, and temperature monitoring.
• Seek Grade A LiFePO4 cells rated 6,000–15,000 cycles and 10-year lifespan with robust metal enclosures and low‑temperature charge protection.
• Match BMS to load: 200–300A continuous for off‑grid inverters; beware 100A BMS limits on surge and peak power.
• Choose scalable rack modules (3U) supporting parallel expansion to 60–75kWh for future capacity needs.
• Verify included accessories: dedicated charger, one‑touch breaker/air switch, LCD or master screen, and clear support/warranty terms.

12V 300Ah LiFePO4 Lithium Battery with 100A BMS (3968Wh)

If you need a compact, high-cycle workhorse for solar storage, RVs, or marine power, this 12V 300Ah LiFePO4 with a 100A BMS and 3968Wh capacity stands out. We like its A+ EV-grade cells, 100% DOD, and 15,000+ deep cycles for a true 10-year lifespan. It recharges in about 15.5 hours and delivers stable power for inverters, CPAPs, tools, and boat electronics. At 61.7 lbs and 23.4 × 12.4 × 11.8 inches, it’s 40% lighter than lead-acid and fits tight spaces. The smart BMS guards against overcharge, shorts, heat, and cold. Scale via 4S4P to 63.48kWh. Backed by a 5-year warranty and 24/7 support.

Best For: Off-grid solar storage, RVs, and marine users who need a compact, long-life 12V battery with high usable capacity, stable output, and scalable system options.

Pros:

• Long lifespan: 15,000+ deep cycles, A+ EV-grade LiFePO4 cells, and 100% DOD for up to 10 years of use
• Strong performance: 3968Wh capacity with a 100A BMS for reliable power to inverters, CPAPs, tools, and trolling motors
• Scalable and lighter: supports 4S4P up to 63.48kWh and weighs 40% less than lead-acid for easier installs

Cons:

• Charge time: about 15.5 hours to fully recharge may be slow without high-input charging sources
• Size and weight: 61.7 lbs and 23.4 × 12.4 × 11.8 in may still be large/heavy for very tight or ultra-light setups
• 12V limitation: may require multiple units or series configurations for higher-voltage systems (24V/48V)

48V 300Ah LiFePO4 Battery with WiFi/Bluetooth and 300A BMS

Need rock-solid capacity with modern monitoring? We like CYCCLEVOLT’s 48V 300Ah LiFePO4: 15kWh in a compact 3U rack (48 x 44 x 13 cm), only 42 kg—about 60% lighter than lead-acid. It pairs WiFi/Bluetooth and a large display with RS485/CAN for clean inverter integration and app visibility of SOC, per‑cell voltage, current, and temperature.

Expect Grade A cells, 8000+ cycles, and a 10‑year lifespan. Safety’s tight: a one‑touch breaker, 100A smart BMS (OC/OD/OCur/short), low‑temp cutoff at −20°C, dual terminals for cooler, balanced load, and a metal shell. Scale up to 15 units for 76.8kWh—great for solar, RVs, marine, and backup.

Best For: Off‑grid solar homeowners, RV/boat owners, and backup power users who want high-capacity 48V storage with pro-grade monitoring and easy inverter integration.

Pros:

• 15kWh capacity in a compact 3U rack (48 x 44 x 13 cm) and lightweight 42 kg design; expand up to 15 units for 76.8 kWh
• WiFi/Bluetooth, large display, and RS485/CAN enable real-time SOC, per‑cell voltage/current/temperature and seamless inverter comms
• Grade A LiFePO4 cells with 8000+ cycles, 10‑year lifespan, metal housing, and smart BMS protections including low‑temp cutoff

Cons:

• 100A Smart BMS rating may limit peak current for high-surge loads unless paralleled
• Requires RS485/CAN familiarity (or app) for full monitoring and integration benefits
• Low‑temperature charge cutoff at −20°C may require battery heating in very cold climates

LOSSIGY 48V 100Ah LiFePO4 Golf Cart Battery with 18A Charger (Bluetooth BMS & LCD)

Looking for a lighter, smarter swap for heavy lead-acid packs in 48V carts? We like LOSSIGY’s 48V 100Ah LiFePO4 with Bluetooth BMS, LCD, and an included 18A charger. It weighs 82.9 lb yet delivers 100A continuous (5120W) with 1000A peaks for 3–5 seconds—enough for most controllers. Expect 4000+ cycles, Grade A cells, IP65 protection, and parallel expansion up to four units.

Users report ~400 lb weight savings versus AGM, snappier acceleration, better uphill pull, and smoother starts. The charger runs loud and warm; the pack often arrives half-charged and fills in ~4 hours. The LCD isn’t weatherproof, but Bluetooth monitoring is solid.

Best For: 48V golf cart owners seeking a lighter, maintenance-free LiFePO4 upgrade with smart Bluetooth monitoring, strong peak output, and long cycle life.

Pros:

• Major weight reduction (~82.9 lb pack vs ~400+ lb lead-acid) boosts acceleration, handling, and efficiency
• Robust performance: 100A continuous (5120W), 1000A peaks (3–5s), 4000+ cycles, IP65, Grade A cells, Bluetooth BMS with LCD
• Includes 18A lithium charger; easy install; supports parallel expansion up to 4 batteries

Cons:

• Included charger is loud and runs warm; slower than higher-amp chargers
• LCD display isn’t weatherproof; may need protection in exposed installations
• Ring terminal sizing/installation tweaks may be required; recommended charge current (20A) slightly above included charger’s 18A

48V 200Ah LiFePO4 Solar Battery (2-Pack, 10.24kWh)

Serious off‑grid builders who want cabinet-ready simplicity will appreciate this 48V 200Ah LiFePO4 Solar Battery 2‑pack, delivering 10.24 kWh with 6,000+ cycles and a robust 100A Bluetooth BMS. We like its CAN/RS485 inverter comms, so you can sync charge profiles, set cycle capacity, and monitor via the mobile app. Each 3U metal-shelled module uses 16 Grade A prismatic cells and includes a 125A air switch and power switch, plus high/low temperature cutoffs and full protections. It installs vertically, parallels up to 15 units, and ships ready with wiring, comms, grounding, and covers. Weight is 189.6 lb total. Warranty: five years.

Best For: Off-grid and hybrid solar builders who want cabinet-ready 48V modules with inverter communication, app monitoring, and long-cycle LiFePO4 reliability for medium-to-large home energy storage.

Pros:

• 10.24 kWh usable capacity (2×48V 100Ah) with 6,000+ cycles and a robust 100A Bluetooth BMS
• CAN/RS485 communication to popular all-in-one inverters for synced charge profiles and app monitoring
• Cabinet-ready 3U metal modules with built-in 125A air switch, power switch, and full temp/OC/OV/SC protections

Cons:

• 100A BMS may limit peak power for high-surge inverters or large loads
• Heavy at ~189.6 lb total (≈94.8 lb per unit), requiring careful handling and sturdy rack/cabinet
• Series stacking not mentioned; limited to parallel expansion (up to 15) which may constrain some system designs

4 Pack 12V 300Ah LiFePO4 Batteries with 200A BMS for Solar and Backup Power

For builders who want a modular path to a 48V bank without sacrificing safety, this 4-pack of 12V 300Ah LiFePO4 batteries with 200A BMS stands out. Each 57.3 lb unit delivers 3,840Wh from A+ grade cells, and a 4P4S stack scales to a 51.2V, 61.44kWh system for solar, off-grid homes, RVs, and backup power. The 200A BMS adds over/under-voltage, overcurrent, overcharge, over-discharge, short-circuit, and temperature protections, including low-temp cutoff. Expect 4,000+ cycles at 100% DOD, up to 15,000 at 60%. We like the compact footprint, sturdy handles, and extra terminal bolts. Note occasional missing charge indicators. Store charged; cycle every six months. Amazon 30-day returns.

Best For: Builders and off-grid users seeking a modular, high-capacity 48V (51.2V) LiFePO4 bank with strong safety features for solar, RVs, and backup power.

Pros:

• High capacity and scalability: 3,840Wh per battery; 4P4S scales to 61.44kWh at 51.2V
• Robust safety: 200A BMS with over/under-voltage, overcurrent, short-circuit, and low-temp protection
• Long lifecycle and practical design: up to 15,000 cycles (at 60% DOD), compact footprint, sturdy handles, extra terminal bolts

Cons:

• Some units reported missing/absent charging indicators
• Requires periodic maintenance if stored (charge/discharge every six months)
• Warranty specifics beyond Amazon’s 30-day return may require contacting the seller for details

DC HOUSE 48V 100Ah LiFePO4 Golf Cart Battery with Charger and App

Golf cart owners who want a single-drop-in lithium upgrade with smart monitoring will appreciate DC HOUSE’s 48V 100Ah LiFePO4 kit. We get 5.12 kWh, a 200A BMS with 700A peak for 1 second, and typical 40–56 miles or 4–9 rounds. The included 48V 18A charger fills in about 5.5 hours and supports 0V recovery. Bluetooth app or a compact LCD monitor provides real-time SOC, voltage, and current—just note they can’t be online simultaneously. At 82.7 lb with an ABS case and metal-clipped cells, it’s sturdy, stackable, and easy to install. Users report better acceleration; some carts may need a voltage regulator.

Best For: Golf cart owners and 48V vehicle users seeking a single-drop-in LiFePO4 upgrade with smart monitoring, faster charging, and longer life than lead-acid.

Pros:

• 5.12 kWh capacity with 200A BMS (700A peak) delivers strong acceleration and 40–56 miles of range
• Included 48V 18A charger with 0V recovery; ~5.5-hour full charge and long cycle life
• Bluetooth app or LCD monitor for real-time SOC/voltage/current; single 82.7 lb unit simplifies installation

Cons:

• Bluetooth app and LCD monitor can’t be connected simultaneously
• Some carts may require an additional voltage regulator or connector adjustments
• Possible shipping-related monitor damage; battery and charger arrive in separate packages

2 Pack 12V 300Ah LiFePO4 Lithium Batteries for Home Energy, RV, Marine, and Solar

Looking to build a scalable 48V bank without overspending upfront? We like this 2 Pack 12V 300Ah LiFePO4 set for modular growth: start at 12V, expand in series or parallel to 24V, 36V, 48V, even 72V. Each pack offers 3.84kWh usable energy, 12.8V nominal, Grade A cells, and a 150A BMS with low‑temp protection and active balancing. Expect >10,000 cycles, low self‑discharge, and up to 100% depth of discharge—about 3x the usable power of lead‑acid.

It’s versatile for home backup, RVs, marine, solar, UPS, and 12V devices. Maintain with a full charge/discharge every six months. Model: ILBattery-12V300A.

Best For: DIYers and off‑grid users who want modular, scalable lithium storage for 12V to 48V (and higher) systems without a big upfront investment.

Pros:

• High usable energy: 3.84kWh per 12V 300Ah battery with up to 100% DoD and >10,000 cycles for long life and low cost per kWh
• Flexible scaling: series/parallel options to build 24V/36V/48V/72V banks with 150A BMS, active balancing, and low‑temp protection
• Stable, safe performance: Grade A LiFePO4 cells, low self‑discharge, and reliable power for home backup, RV, marine, and solar

Cons:

• 150A BMS may limit peak current for high‑draw inverters or large trolling motors without multiple batteries in parallel
• Requires periodic maintenance cycle (full charge/discharge every six months) to prevent aging
• Specifications can vary 1–5% with temperature/humidity, and detailed product warranty terms must be checked separately

48V 300Ah LiFePO4 Lithium Battery with 100A BMS and Touchscreen for Solar/Off-Grid Systems

Need a high-capacity rack battery that’s simple to monitor and scale for off-grid solar? We like Oasesenergy’s 48V 300Ah LiFePO4 with a built‑in 100A BMS and a 5-inch magnetic touchscreen. It delivers 15.36kWh from Grade A prismatic cells, supports 100% DOD, and offers 4,000–15,000 cycles—about 2× usable capacity and 30× cycles versus SLA. The screen shows per‑battery and per‑cell data, plus warnings to diagnose issues fast. RS485/CAN ensures inverter/BMS communication. It parallels up to 15 units (no series), and one master screen monitors the whole bank. Model 51.2V 100Ah, 16S LiFePO4, weighs 43 kg, and suits server‑rack installs.

Best For: Off-grid and solar users who want a high‑capacity, rack‑mount 48V LiFePO4 battery that’s easy to monitor, integrates via RS485/CAN, and can scale by paralleling multiple units.

Pros:

• 15.36 kWh capacity with 100% DOD and 4,000–15,000 cycle lifespan for long-term value
• Built-in 100A BMS with RS485/CAN and a 5-inch magnetic touchscreen for detailed per-cell monitoring and quick diagnostics
• Supports up to 15 units in parallel, with one master screen monitoring the entire bank

Cons:

• No series connection support; limited to parallel scaling only
• 100A BMS may be a bottleneck for high-surge or large inverter loads without multiple units in parallel
• 43 kg rack unit may require two-person handling and sturdy rack infrastructure

48V 100Ah LiFePO4 Golf Cart Battery Upgrade Kit with Charger and App

Built for carts that crave punchy acceleration and longer range, the 48V (51.2V) 100Ah LiFePO4 Golf Cart Battery Upgrade Kit delivers 10.24 kW max output with a robust 200A continuous discharge and 600A 3‑second peak. We like that it’s an all‑in‑one package: 58.4V 18A charger, 2.8-inch LCD, Bluetooth app, 200A BMS, and mounting strap—no extras needed. Expect 5000+ cycles at 80% DOD from A‑grade cells, low maintenance, and confident hill performance. At 61.7 lb, it fits most trays; minor mounting tweaks may be required. Scale up to four in parallel for 20.48kWh and solar/RV use. Users report easy installs, stronger power, and longer range.

Best For: Golf cart owners (and RV/solar users) who want a turnkey, high‑power 48V LiFePO4 upgrade with longer range, app monitoring, and minimal maintenance.

Pros:

• All-in-one kit includes 58.4V 18A charger, 200A BMS, LCD, Bluetooth app, and mounting strap—no extras needed
• Strong performance: 200A continuous, 600A 3‑s peak, 10.24 kW max; 5000+ cycles at 80% DOD from A‑grade LiFePO4 cells
• Scalable up to 4 in parallel (20.48 kWh) and compatible with solar/RV/off-grid setups

Cons:

• May require minor tray/mounting adaptations and possible charger port rewiring
• Heavier single pack (61.7 lb) may be awkward to position during install
• App pairing/display mounting can take extra setup time for first-time users

HumsiENK 12V 300Ah LiFePO4 Battery with 200A BMS

Why choose HumsiENK’s 12V 300Ah LiFePO4 if you’re assembling a robust 48V bank? We like its 3.84kWh per unit, 200A BMS, and Bluetooth 5.0 monitoring in the Humienk Smart App. Four in series deliver 51.2V; scale to 4S4P for 61.44kWh at 1200Ah. It’s lightweight at 59.52 lb, space‑efficient (20.63 × 9.65 × 8.66 in), and rated for 15,000+ deep cycles over a 10‑year life.

Safety’s covered: overcharge, over‑discharge, over‑current, short‑circuit, and temp cutoffs, including 145°F high‑temp and low‑temp charge protection. It’s outdoor‑ready for solar, off‑grid, RV, marine, UPS, and backup. HumsiENK backs it with 24/7 support and a five‑year solution.

Best For: Off‑grid homeowners, RV/van lifers, and marine users needing a scalable 48V bank with high cycle life, robust 200A BMS protection, and Bluetooth monitoring.

Pros:

• High energy per unit (3.84 kWh) and scalable to 4S4P (51.2V 1200Ah, 61.44 kWh) for large systems
• Long lifespan with 15,000+ deep cycles and 10-year design life, plus 200A BMS and temp cutoffs
• Lightweight and compact for the capacity, with Bluetooth 5.0 app monitoring

Cons:

• Requires multiple units in series/parallel for 48V and larger capacities, increasing upfront cost and complexity
• Charging restricted in low temperatures due to protection cutoff
• Heavier than smaller-capacity LiFePO4 packs (59.52 lb), which may affect portable setups

Factors to Consider When Choosing 48V 300AH Lifepo4 Batteries

As we compare 48V 300Ah LiFePO4 options, we should confirm true capacity and cycle life, then match the BMS amperage to our inverter and loads. We’ll also check communication protocols (CAN, RS485) for monitoring, plus temperature performance for charging and discharging in our climate. Finally, we should verify expandability and stacking limits to ensure the bank can grow with our system.

True Capacity and Cycles

How do we gauge true capacity and cycle life in a 48V 300Ah LiFePO4 pack? We start with math: 300Ah × 51.2V nominal equals 15.36 kWh. In ideal conditions, LiFePO4 lets us use close to 100% depth of discharge, so usable energy tracks that figure closely. Cycle life is the other pillar. This chemistry routinely delivers 4,000–15,000 cycles, depending on depth of discharge and the manufacturer’s protections.

Even at high DOD, we still see thousands of cycles—far beyond lead-acid. To realize that longevity and capacity, cell balance and protection must be solid, and operating temperatures matter. Cold charging and sustained heat can trim usable capacity and shorten life. We prioritize brands that publish tested cycle curves and temperature ranges.

BMS Amperage Rating

Choosing the right BMS amperage rating shapes what a 48V 300Ah LiFePO4 pack can actually deliver. The BMS sets the maximum continuous discharge current before protection trips, so its rating directly caps usable power. Typical packs use 100A–300A BMS units. At 100A, we’re limited to about 0.33C continuous; at 300A, we can reach roughly 1C, unlocking far higher sustained output for inverters and motor loads.

Higher amperage also helps absorb brief inrush and startup surges without nuisance shutdowns. That matters when compressors, pumps, or large inverters kick on. If we plan parallel strings, a 200A–300A BMS provides better headroom for current sharing and system protection under heavy load. Match the BMS to realistic continuous and surge demands, not just nameplate capacity.

Communication Protocols Support

Why does protocol support matter so much? Because our inverter, batteries, and monitoring tools must speak the same language. Most 48V 300Ah LiFePO4 packs support RS485 and CAN, giving us reliable, real-time data exchange for SOC, voltage, current, and fault alerts. That communication lets the inverter respond correctly to the BMS, especially for over-current events and charge/discharge limits.

We also value WiFi/Bluetooth on mid- to high-end packs. Wireless apps layer on top of RS485/CAN, letting us verify cell temperatures, voltages, and system status remotely. In multi-battery banks, CAN/RS485 links coordinate parallel operation, balancing current sharing and synchronizing protections across the stack. Some models add a dedicated touchscreen or LCD tied to the master battery, consolidating status and simplifying commissioning and troubleshooting.

Temperature Performance Range

Solid communications only help if the pack can handle the climate we put it in. We should confirm each 48V 300Ah LiFePO4 battery’s temperature performance range before buying. Most operate comfortably from about -20°C to 60°C, with stable discharge across -4°F to 140°F. Charging is the limiter: below freezing, many packs engage low-temperature charging protection, and some include explicit cutoffs near -20°C to stop charging until cells warm. On the hot end, high-temperature protection typically trips around 65°C (145°F) to prevent thermal stress under heavy loads.

We also want real-time temperature visibility. A capable BMS or integrated display that reports cell and pack temps helps us manage charging, discharging, and enclosure ventilation. Matching these thresholds to our site climate minimizes derating and protects cycle life.

Expandability and Stacking

How far do we plan to scale? Expandability defines how our 48V bank grows with demand. Many 48V 300Ah LiFePO4 packs allow up to 15 units in parallel, multiplying capacity well beyond a single module. Parallel stacking boosts voltage stability and total current output, great for surge-heavy loads and longer runtimes. Series stacking raises system voltage for higher-power applications—think 4S to reach 48V from 12V modules, or a 4P4S layout delivering about 61.44 kWh using four 12V 300Ah batteries per string.

We should confirm each battery’s maximum parallel count to maintain balance, BMS synchronization, and heat control. Cross-compatibility matters: all modules need aligned BMS settings and matching RS485/CAN communication to coordinate charge, discharge, and protections across the entire bank.

Size, Weight, Mounting

As we plan banks that scale cleanly, we also need batteries that physically fit the space and the rack. Most 48V 300Ah LiFePO4 units come in compact, rack-friendly footprints—about 18–24 inches long, 8–14 inches wide, and 8–12 inches high—so we can slot them into standard cabinets without wasting volume.

Weight matters for handling and rack load. Expect roughly 40–60 kg (88–132 lb) per unit, influenced by cell chemistry, enclosure, and mounting hardware. We confirm floor ratings, rail strength, and team-lift or mechanical assistance for installs.

For mounting, we favor 3U-compatible designs that allow vertical or horizontal placement. Dual positive/negative terminals and robust metal housings simplify bolting and cable routing. When we parallel or series units, identical dimensions keep layouts consistent and planning predictable.

Conclusion

As we wrap up, let’s picture our energy needs as a voyage at sea. These 48V 300Ah LiFePO4 batteries are the steadfast hulls and smart compasses—high-cycle lifelines with vigilant BMS captains, calm under storm, scalable when the crew grows. Whether our ship is a home, RV, cart, or marina, we’re charting farther with confidence, reading Bluetooth stars and LCD maps. Choose the right keel, mind the currents of specs, and sail into quieter, longer sunlit horizons.