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BigBattery 24V 30A Charger — Ring Terminal Connection

Keep Your 24V Bank Charged and Ready

110V AC plug-in — Works with standard wall outlets
30A max output — Swift recharge for 24V banks
Ring terminal connection — Secure, seamless battery integration
4.9 lbs portable — Reliable power wherever you need it
50/60Hz compatible — Adapts to regional power standards
  • FREE System Design Consultation -- Our engineers verify compatibility with your battery bank
  • FREE Shipping -- Ships free — no minimum order, no surprise charges

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

Keep Your 24V Bank Charged and Ready

This 24V 30A charger delivers a field-tested 28.8V DC output through secure ring terminals, making it a straightforward choice for keeping your off-grid battery bank topped up. At 4.9 lbs with a portable build, it plugs into any standard 110V AC wall outlet and pushes up to 30A of charge current — enough to get you back to full capacity without the downtime. A grid-independent setup demands reliable charging, and this unit delivers without overcomplicating things.

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
Ring Terminal Connection
110V AC Plug-In
4.9 lbs Portable Build
28.8V DC
Max Output Voltage
30A
Max Output Current
4.9 lbs
Unit Weight
No More Mismatched Charging Setups

No More Mismatched Charging Setups

When your off-grid battery bank runs low, the wrong charger does more than slow you down — it can damage cells or leave you stranded during a winter outage. BigBattery engineered this 24V 30A charger with a precise 28.8V DC max output designed for 24V battery systems. At Off Grid Vault, we vet every charger for real compatibility before listing it — the same standard we apply to systems we would install on our own cabins. No guesswork, no crossed wires, no hoping the specs match. You plug into a standard 110V AC outlet, connect via ring terminals, and recharge with confidence that the charge profile fits your batteries.

Portable Power That Fits Your Workflow

Portable Power That Fits Your Workflow

At 4.9 lbs, this charger moves where you need it — from the cabin wall outlet to the shed where your battery bank sits. The ring terminal connection eliminates the flimsy alligator clips that loosen under vibration and cause inconsistent charging. You bolt it down, walk away, and let 30A of current do the work. With 50/60Hz frequency compatibility, it adapts to whatever regional grid power you are plugging into. This is field-tested hardware built for people who need their batteries ready by morning, not by next week.

Keep Your Battery Bank Healthy Through Winter

Keep Your Battery Bank Healthy Through Winter

Cold weather drains batteries faster, and undercharging in low temperatures accelerates capacity loss. This charger's 28.8V DC max output delivers a proper charge cycle to your 24V system, so your cells reach full state of charge instead of sitting at 70% through November. The 30A output rate balances speed with battery care — fast enough to recover overnight, controlled enough to avoid stressing the bank. For homesteaders and cabin owners running 24V systems through winter, this is the off-grid-proven tool that keeps your power independence intact when the days are short and the temperatures drop.

Compatibility Check

Make sure this charger matches your setup before ordering.

  • Your battery bank operates at 24V nominal
  • You have access to a standard 110V AC wall outlet
  • Your battery accepts ring terminal connections

Where This Charger Fits

Built for the setups that can't afford downtime.

Cabin Battery Banks
RV Solar Systems
Emergency Backup Power

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

HousingSee product page

Compliance & Warranty

WarrantySee product page

The Off Grid Vault Promise

We stand behind every product we sell — because off-grid equipment has to work when you need it.

Free ShippingShips free to your door — no minimums, no fine print.
30-Day Performance GuaranteeIf it doesn't perform as specified, return it uninstalled in original packaging within 30 days.
Authorized Dealer SupportWarranty claims go through us directly — not a faceless ticket queue.
★★★★★
“I bought this to keep my 24V cabin battery bank topped up during winter when solar output drops. The ring terminals made connection simple and secure — no more worrying about clips vibrating loose. Plugs into any standard outlet, charges at a solid 30A, and at under 5 lbs it moves easily between locations. Exactly what I needed to stay off-grid through December.”
F
First L.Flagstaff, 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 24V battery bank is a significant investment. Undercharging it — or charging it with an incompatible unit — costs far more than $209 in reduced cell lifespan and lost capacity. This charger delivers the correct 28.8V DC profile at 30A, which means your batteries charge fully and last longer. Think of it as protecting a $2,000–$5,000 battery bank for a fraction of that cost. Off Grid Vault vets every charger we sell for exactly this reason: the right charging hardware pays for itself in battery longevity.
Off Grid Vault provides a free system design consultation for exactly this question. Tell us your battery bank specs — voltage, chemistry, capacity — and we will confirm whether this 24V 30A charger with its 28.8V DC max output matches your system. We do not sell components and hope they work together. Every product on our shelf is vetted for compatibility before we list it. If you are unsure, reach out before buying. That is what we are here for.
This charger outputs a max 28.8V DC, which is within the standard charging range for many 24V LiFePO4 battery banks. However, LiFePO4 charging requirements vary by manufacturer — some require specific charge algorithms or communication between the charger and battery BMS. We recommend contacting us with your battery brand and model so we can verify exact compatibility. Off Grid Vault never assumes — we confirm. That is the difference between buying from a curated off-grid specialist versus a generic marketplace listing.
Charge time depends on your battery bank capacity and current state of charge. At 30A output, this charger delivers roughly 720 watt-hours per hour into a 24V system. As an example, a 100Ah 24V bank depleted to 50% would need approximately 1.7 hours to reach full charge, before accounting for charging efficiency losses. For a precise estimate based on your actual bank size, use our free system design consultation — we will calculate your expected recharge windows based on real-world conditions.
Warranty terms are set by BigBattery and follow their standard manufacturer warranty. As an authorized dealer, Off Grid Vault handles warranty claims directly — you deal with us, not a support ticket queue. If the charger does not perform as specified within our 30-day performance guarantee window, we make it right. For longer-term issues covered under manufacturer warranty, we process claims on your behalf. This is the accountability difference between buying from Off Grid Vault versus a marketplace where the seller disappears after shipment.
This charger ships free — no minimum order threshold, no surprise freight charges. Off Grid Vault offers a 30-day performance guarantee on uninstalled items in original packaging. We recommend testing compatibility with your battery bank promptly upon arrival. If the charger does not perform as specified, contact us within the window and we will process the return. Our support team handles these requests directly — no automated ticket queues, no runaround. That is the Off Grid Vault difference.
SKU: 1622006 Category: Brand:

The Off Grid Vault Promise

We stand behind every product we sell — because off-grid equipment has to work when you need it.

Free Shipping Ships free to your door — no minimums, no fine print.
30-Day Performance Guarantee If it doesn't perform as specified, return it uninstalled in original packaging within 30 days.
Authorized Dealer Support Warranty claims go through us directly — not a faceless 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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