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BigBattery 24V 30A Charger — Ring Terminal Connection, 28.8V DC Output

Reliable 24V Charging for Your Off-Grid Battery Bank

30A maximum output — Recharges 24V banks efficiently
Ring terminal connection — Secure, reliable battery integration
Standard 110V AC input — Plugs into any wall outlet
4.9 lbs portable build — Reliable power wherever you need it
50/60Hz output frequency — Compatible across power environments
  • FREE System Design Consultation -- Our engineers verify compatibility with your battery bank
  • FREE Shipping -- Ships free to your door, no minimum

$209.95

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BigBattery | 24V 30A Battery Charger (28.8V DC) – Ring Terminals
BigBattery | 24V 30A Battery Charger (28.8V DC) – Ring Terminals
$209.95

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In the box

  • BigBattery 24V 30A Battery Charger (28.8V DC)
  • Integrated ring terminal connectors
BigBattery | 24V 30A Battery Charger (28.8V DC) – Ring Terminals
BigBattery 24V 30A Charger — Ring Terminal Connection, 28.8V DC Output
$209.95

Reliable 24V Charging for Your Off-Grid Battery Bank

Keep your 24V battery bank topped off and ready with the BigBattery 24V 30A Charger. Delivering 28.8V DC at up to 30A through secure ring terminals, this field-tested charger plugs directly into any standard 110V AC wall outlet. At 4.9 lbs, it's portable enough for remote off-grid setups, cabins, and work sites where grid power isn't an option. No guessing, no downtime — just straightforward power delivery built to keep your grid-independent system running through long workdays and cold winters.

FREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORTFREE SHIPPING30-DAY RETURNSEXPERT SUPPORT
30A Max Output
110V AC Input
Ring Terminals
4.9 lbs Portable
30A
Max Output Current
28.8V DC
Max Output Voltage
110V AC
Input Voltage
Pre-vetted charging that protects your battery investment

Pre-vetted charging that protects your battery investment

Stop gambling with generic marketplace chargers that deliver inconsistent voltage to your battery bank. Off Grid Vault pre-vets every component we carry — this BigBattery 24V 30A charger is tested to deliver a clean 28.8V DC output without the voltage spikes that degrade LiFePO4 cells over time. Unlike buying from five different vendors and hoping the specs match, every charger on our shelf is specced to integrate properly with 24V systems. The 30A maximum output current gets your bank back to full capacity efficiently, and the 110V AC input means you plug it into any standard wall outlet. No guesswork. No mismatched components. Just a charger that does exactly what the datasheet says.

Ring terminals eliminate the weakest link in your charge setup

Ring terminals eliminate the weakest link in your charge setup

Ring terminals give you a bolt-on connection that stays put — no loose alligator clips vibrating loose on a rough cabin road or bouncing free in the back of a truck. This charger uses ring terminals for a secure, permanent-feeling connection to your battery posts every time you charge. The 28.8V DC max output voltage aligns with proper 24V LiFePO4 charging profiles, and the 50/60Hz output frequency keeps it compatible across different power environments. Whether you are topping off a cabin battery bank after a stretch of cloudy days or maintaining stored batteries through winter, the connection integrity matters. Ring terminals eliminate the weak point that plagues lesser connector types.

Portable enough to go where your batteries actually live

Portable enough to go where your batteries actually live

At 4.9 lbs, this charger goes where your batteries go — out to the shed, down to the basement, out to the job site. The portable form factor does not sacrifice output. You still get a full 30A charging current through a standard 110V AC wall plug, which means your 24V bank recovers fast after heavy use. Extended workdays in winter are the scenarios where a reliable charger proves its worth: cold temperatures slow discharge but you still need rapid recovery between cycles. This unit handles that without overheating or throttling. It is a straightforward, field-tested workhorse built for the kind of repeated daily use that kills lesser equipment.

Compatibility Check

Confirm this charger matches your battery system before ordering.

  • Your battery bank is a 24V system
  • Your wall outlet supplies 110V AC at 50/60Hz
  • Your battery accepts ring terminal connections

Where This Charger Performs

Built for real-world charging scenarios where reliability matters.

Cabin & Homestead Battery Banks
Work Site Power Recharge
Emergency Backup Battery Maintenance

Full specifications

At a glance

Power
24V
Warranty
See product page
Full specifications9 data points across 4 categories

Dimensions

Weight4.9 lbs

Power & Performance

Voltage24V
Input Voltage110V AC
Max. Output Voltage28.8V DC
Max. Output Current30A
Output Frequency50/60Hz
Connection TypeRing Terminals

Materials

ConstructionSee product page

Compliance & Warranty

WarrantySee product page

The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. If it doesn't meet our standards, it doesn't make the cut.

30-Day Performance GuaranteeIf it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days in original packaging.
Free ShippingShips free on all orders. No minimums, no thresholds, no surprise freight charges.
Authorized Dealer SupportWarranty claims handled directly through us. You deal with people who understand off-grid power, not a ticket queue.
★★★★★
“Been running this charger on my 24V LiFePO4 bank in the shop for three months now. Ring terminals are solid — no more messing with alligator clips that fall off halfway through a charge cycle. Plugs into a standard outlet and pushes a real 30A. Exactly what I needed for cloudy-day backup charging at the cabin.”
F
First L.Prescott, AZ

Ensure uninterrupted power supply during extended workdays and chilly winters with our robust 24V 30A Charger (28.8V DC) – Ring Terminals. Its sleek, portable design and formidable 4.9 lbs weight guarantee reliable power wherever and whenever you require it. Featuring convenient ring terminals for seamless battery integration, a universal 110V AC input voltage for easy plug-in to standard wall outlets, and an impressive maximum output current of 30A, this charger lets you effortlessly recharge and swiftly resume your tasks without any downtime!

Specifications:

  • SKU: PWS051
  • Voltage: 24V
  • Input Voltage: 110V AC
  • Max. Output Voltage: 28.8V DC
  • Max. Output Current: 30A
  • Output Frequency: 50/60Hz
  • Connection Type: Ring Terminals

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Frequently Asked Questions

A degraded battery bank costs far more than a proper charger. At 30A output, this unit delivers a clean 28.8V DC charge that protects your LiFePO4 cells from the voltage inconsistency that plagues unvetted chargers. If your 24V bank costs $1,500 to $4,000, spending $209 on a charger that extends its cycle life is straightforward math. Off Grid Vault carries this charger because it delivers on its rated specs — not because it is the lowest price available. We would rather you spend once on the right component than replace a ruined battery bank.
This charger delivers a 28.8V DC max output, which aligns with standard 24V LiFePO4 charging profiles. The ring terminal connection provides a secure bolt-on interface to your battery posts. That said, we always recommend confirming your specific battery manufacturer's recommended charge voltage before connecting any charger. If you are unsure about compatibility with your particular bank, take advantage of our free system design consultation — tell us your battery specs and we will confirm whether this charger is the right match. We would rather verify upfront than have you guess.
Yes, in most off-grid setups. Solar panels only charge when the sun is shining. During extended overcast stretches or winter months with short daylight hours, your battery bank can drop below safe levels without a backup charging method. A 30A AC-powered charger gives you the ability to recharge from grid power or a generator when solar input is insufficient. Think of it as your fallback — not your primary charge source, but the one that keeps your system operational when conditions work against you. Most experienced off-grid builders keep a charger on hand for exactly this scenario.
The difference is accountability. A generic marketplace listing gives you a product with no system design support, no verification that the output voltage matches your battery chemistry, and no one to call if the unit delivers inconsistent charge. Off Grid Vault pre-vets this charger for real-world performance before listing it. We are an authorized dealer, which means warranty claims go through us — not through a ticket queue on a marketplace platform. If the charger does not perform as specified within 30 days, we make it right. That is the difference between buying a component and buying from a store that understands off-grid systems.
Charge time depends on your battery bank capacity and current state of charge. At 30A output, you are delivering approximately 720W of charging power (30A × 24V). As a rough reference, a 100Ah 24V bank holds roughly 2.4 kWh of usable energy at 80% depth of discharge. At full 30A output, recovering from empty to full takes roughly 3.5 to 4 hours under ideal conditions. Real-world times vary based on temperature, battery SoC curve, and charge acceptance rate. Contact us with your specific bank size and we can give you a more precise estimate.
Warranty terms are set by BigBattery as the manufacturer and vary by product. Off Grid Vault is an authorized dealer, which means warranty claims are handled directly through us — not through a third-party marketplace or an offshore support line. If your charger fails to perform as specified, contact us and we manage the claim on your behalf. For returns, our 30-day performance guarantee applies to uninstalled units in original packaging. If it does not meet the stated specs out of the box, we make it right. Check the product documentation for full manufacturer warranty details.
SKU: 1622006 Category: Brand:

The Off Grid Vault Promise

Every product we carry is vetted for real-world performance. If it doesn't meet our standards, it doesn't make the cut.

30-Day Performance Guarantee If it doesn't perform as specified, we make it right — uninstalled returns accepted within 30 days in original packaging.
Free Shipping Ships free on all orders. No minimums, no thresholds, no surprise freight charges.
Authorized Dealer Support Warranty claims handled directly through us. You deal with people who understand off-grid power, not a ticket queue.

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About bigbattery Battery Chargers

bigbattery is a trusted manufacturer of premium battery chargers. OffGridVault is an authorized dealer offering the full bigbattery lineup with free delivery, price match guarantee, and expert support.

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