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US Battery Mfg.

Name: US Battery Mfg.
Address: 1675 Sampson Avenue, Corona, CA, 92879, US
Telephone: (951) 371-8090

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US Battery Mfg.

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U.S. Battery has been building lead acid batteries since 1926, and has always put quality before quan

10/28/2026

Off-Season Storage 101: How to keep idle batteries healthy all winter long! 🛠️⚡

Heading into seasonal downtime? How you store your deep-cycle batteries during the off-season directly determines how much life and capacity they'll have next year!

During idle months, batteries slowly self-discharge. If left unmonitored, this discharge leads to hardened sulfation, reduced runtime, or even frozen electrolyte cases.

Essential Checklist for Storing Batteries:

🔹 Fully Charge Before Storage: Never store a battery on a partial charge. A fully charged battery stands strong against freezing winter temperatures!
🔹 Clean Case Tops: Wash away dirt and acid residue using warm water and baking soda. Keeping case tops clean stops stray electrical currents from draining power across terminals.
🔹 Perform Refresh Charges: Give your stored battery bank a quick booster charge every 1 to 2 months to keep them at peak readiness.

A little off-season preparation saves you from costly early battery replacements in the spring!🔋

Explore our full library of deep-cycle care and maintenance resources here: https://www.usbattery.com/care-and-maintenance/

10/22/2026

Experience fade-free power: The runtime advantages of Essential Li® technology. 🛠️🔌

When you are comparing deep-cycle battery options for your commercial fleet or personal utility vehicles, looking strictly at runtime hours is only half the story. The real secret to productivity is how that power is delivered over the course of a hard day's work. 📊

Let's look at how our two primary battery technologies compare when it comes to power output:

✅️ Traditional Flooded Lead-Acid: These batteries have been the backbone of heavy industries for decades because they are rugged and extremely cost-efficient upfront. However, their voltage drops gradually during use. Under heavy strain, like an industrial scrubber lifting water or a utility cart climbing a steep hill, this voltage drop can lead to a slight loss in equipment speed toward the end of a shift.

✅️ Essential Li® Lithium-Ion: Built using advanced LFP cell technology, our Essential Li® blocks deliver constant, unwavering power. Because of its flat discharge curve, your equipment will run at 100% capacity and top speed for the entire duration of the cycle, without any sluggishness or power lag.

Plus, with an active integrated Battery Management System (BMS) keeping cells safely balanced and a waterproof casing, you get consistent runtime with zero liquid maintenance. 🛡️✨

Ready to eliminate power fade and keep your equipment running at peak performance all day long? 👇

Learn more about our advanced Essential Li® line: https://www.usbattery.com/essentialli/

10/15/2026

Shop Safety Guide: Safe handling protocols for heavy-duty flooded deep-cycle batteries 🥽⚡

Deep-cycle batteries supply reliable energy for demanding industrial and commercial applications, but proper care must be taken when moving, installing, or servicing them.

Because batteries carry high electrical current and contain sulfuric acid, following basic safety protocols protects both your team and your equipment investment! Here's our Essential Battery Handling Checklist:

🥽 Always wear eye protection and protective gloves when checking water levels or cleaning terminals to prevent acid contact.
🏋️ Use a dedicated battery carrying harness or lifting hoist. Never carry a battery by the terminal posts, which can damage the internal lead bushings and cause leaks.
🔧 Keep metal tools away from open terminals, and use insulated wrenches when securing cable connections to prevent spark hazards.
🌬️ Ensure battery charging areas have adequate ventilation to allow hydrogen gas produced during charging cycles to safely escape.

Investing a few extra moments in proper safety steps prevents shop accidents and extends battery equipment life!🔋

Explore our complete care and maintenance safety resources here: https://www.usbattery.com/care-and-maintenance/

10/13/2026

Pre-Winter Maintenance: How to prep your batteries before the freeze hits! ❄️⚡

With winter temperatures dropping, taking a few proactive steps today will save your flooded deep-cycle batteries from permanent cold-weather damage!

When a flooded battery sits discharged, its internal fluid becomes mostly water. In freezing conditions, that fluid turns to ice, expanding and cracking the plastic case while destroying the lead plates inside.

4 Essential Steps to Winterize Your Battery Fleet:

🔋 Keep SOC High: Store batteries at 100% state-of-charge. A full charge keeps the freezing threshold down near 80F.
💧 Top Off Fluid Properly: Check electrolyte levels and top off with distilled water before charging. Charging mixes the acid and water together so pure water doesn't sit on top and freeze.
🧼 Scrub Terminals & Cases: Wash off dirt and corrosion with baking soda and water to prevent self-discharge during winter storage.
🔌 Cut Parasitic Draws: Disconnect main battery cables or turn off master switches on equipment stored for the off-season.

Protect your total cost of ownership with smart cold-weather care! 🇺🇸🔋

Read our complete step-by-step care and winter maintenance guide here: https://www.usbattery.com/care-and-maintenance/

10/06/2026

Preventative Care: Don't let chronic undercharging kill your battery pack! 🛠️⚡

Are your deep-cycle batteries running out of juice faster than they used to? Chronic undercharging might be the culprit.

When deep-cycle batteries are repeatedly disconnected before reaching a true 100% charge, sulfate remains trapped on the lead plates. Over time, these crystals harden, permanently reducing your battery's ability to hold energy.

How to spot an undercharged battery:
1️⃣ Dropping Specific Gravity: A hydrometer check shows low specific gravity (below 1.225) even right after a charging cycle.
2️⃣ Early Runtime Fades: Your equipment struggles to make it through a standard workday.
3️⃣ Voltage Drops Under Load: The battery shows good rest voltage, but plummets the moment the motor draws power.
4️⃣ Charger Mismatch: The charger is shutting off early or isn't outputting the correct voltage curve for your battery pack size.

The Fix: Make sure operators allow chargers to run through their full automatic cycle without interruption. Running a scheduled equalization charge also helps clear mild sulfation and re-balance cell capacities across the entire pack! 🇺🇸🔋

Read our complete step-by-step care and maintenance guide here: https://www.usbattery.com/care-and-maintenance/

09/30/2026

The golf cart and light electric vehicle industry is gathering in South Carolina for the GolfCarting Expo & Dealer Summit 2026 and we'll be there! ⛳🔋

U.S. Battery is excited to connect with dealers, fleet managers, and technicians at Booth #811, shared alongside our premier distribution partner, Energy Products.

Whether you manage golf course fleets, rental operations, or custom PTV builds, our team will be on hand to discuss the total cost of ownership (TCO) and performance advantages across our full deep-cycle lineup!

Event Details:
📅 Dates: October 1–3, 2026
📍 Venue: North Charleston Convention Center (Charleston, SC). Booth #811.

Stop by our booth to discuss your fleet requirements and explore our latest energy storage technologies!

Learn more about our deep-cycle product lineup: https://www.usbattery.com/products/

Learn more about the event: https://www.golfcartingexpo.com/

09/29/2026

Maximize equipment uptime with the heavy-duty US 305E XC2! 🛠️⚡

Managing commercial floor care equipment, aerial lifts, or utility vehicle fleets requires an energy storage source that won't fade before the shift ends.

The U.S. Battery US 305E XC2 delivers an impressive 300 Ah of true deep-cycle capacity (20-hour rate) in a rugged 6-volt footprint, making it the ideal workhorse for demanding industrial battery banks.

The US 305E XC2 Advantage:
🔹 Proprietary XC2® Formulation: Advanced plate chemistry allows the battery to reach peak output faster while improving energy density throughout its cycle life.
🔹 Cost-Effective Energy Density: Delivers unmatched cost-per-amp-hour value, helping fleet managers control operational budgets while maintaining peak machine performance.
🔹 Simple Maintenance Access: Equipped with our user-friendly SpeedCap® system for quick fluid checks during routine inspections.

Don't let power fade stall your operational productivity. Trust a century of American manufacturing excellence to power your fleet! 🇺🇸🔋

Learn more and find your local distributor today: https://www.usbattery.com/us-305e-xc2/

09/24/2026

Pro-Tip: How to quickly identify and read your U.S. Battery AGM date codes. 🔍

Whether you are managing a fleet of commercial floor scrubbers or prepping your recreational vehicle for an upcoming road trip, tracking the age of your power assets shouldn't be a guessing game.

To simplify maintenance logging, all U.S. Battery sealed AGM lead-acid batteries feature a permanent date code stamped directly right onto the battery's top cover.

Depending on your unit, it will follow one of these two structures:
1️⃣ DDMMYY-LM: Day, Month, Year format.
Example: 150224-LM indicates a manufacturing date of February 15th, 2024.

2️⃣ CYYMMDD: Year, Month, Day format.
Example: C240215 indicates a manufacturing date of February 15th, 2024.

Regularly logging these codes during routine equipment checkups helps you anticipate future battery needs, verify warranty coverage, and ensure your charging systems are calibrated correctly to prevent unexpected power drops.

Bookmark our comprehensive Care & Maintenance hub for complete access to technical manuals, charging algorithms, and user guides: https://www.usbattery.com/care-and-maintenance/ 🔗🔋

09/22/2026

Upgrade your equipment with hassle-free deep-cycle power: The US AGM 6V27. ⚡

When duty calls, your equipment needs power you can count on without the headache of constant battery maintenance. The U.S. Battery US AGM 6V27 delivers true deep-cycle stamina in a completely sealed, leak-proof design.

Delivering 215 Ah of capacity (at the 20-hour rate) in a standard Group 27 footprint, this 6-volt AGM block serves as a direct upgrade for golf cars, floor scrubbing machines, aerial lifts, and marine auxiliary power banks.

Why fleet managers and operators choose the US AGM 6V27:
🔹 Zero Fluid Maintenance: Absorbed Glass Mat technology permanently seals the electrolyte, eliminating distilled water top-offs and acid spill hazards forever.
🔹 Built for Rough Conditions: Heavy-duty internal grids are tightly packed to resist extreme vibration, wave pounding, and physical shock on the job.
🔹 Low Storage Loss: Heading into off-season storage? Its low self-discharge rate keeps the battery healthy longer during idle downtime.
🔹 Safe for Enclosed Compartments: Minimal gassing makes it safe for installation inside tight equipment compartments and boat berths.

Work smarter with reliable, maintenance-free U.S. Battery AGM performance! 🇺🇸🔋

Explore full dimensional datasheets and specs here: https://www.usbattery.com/us-agm-6v2720-hour-rate-215/

09/15/2026

Upgrade your 24V equipment with maintenance-free Essential Li® power! ⚡️🔋

Managing industrial equipment or commercial utility vehicles means every minute of downtime counts. If you're looking for consistent power output, faster recharge times, and zero watering hassles, it's time to discover the Essential Li® 24V GC2.

Using advanced Lithium Iron Phosphate chemistry, this battery delivers clean, reliable 24-volt energy in a standard GC2 size.

Key Benefits for Your Equipment:
✅️ No Watering Required: Completely sealed and maintenance-free.
✅️ Opportunity Charge Friendly: Top off charge whenever the machine is idle without reducing cycle life.
✅️ Integrated BMS Safety: Constantly monitors voltage, temperature, and current for peak reliability.
✅️ Lighter Weight: Reduces overall equipment weight for better efficiency and maneuverability.

Work smarter and keep your equipment running longer with trusted U.S. Battery lithium performance! Explore the full Essential Li 24V specs here: https://www.usbattery.com/us-24v-gc2/

Address

1675 Sampson Avenue
Corona, CA
92879

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Telephone

(951) 371-8090

Website

https://www.usbattery.com/

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