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Trojan Solar SAES-12-205 12V 179Ah AGM Battery Off-Grid & Backup Power- A1 SolarStore

Trojan Solar SAES-12-205 12V 179Ah AGM Battery Off-Grid & Backup Power

Trojan Solar SAES-12-205 12V 179Ah AGM Battery Off-Grid & Backup Power

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SpecificationCompareSee all
AMP Hours179Ah
TypeLead Acid
Attachments
Return policy
Datasheet

Customer reviews & Questions

Verified buyer reviews

Reviews
Questions (3)

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Your feedback helps other solar shoppers make confident choices.

John Z

01/15/2026

Is the SAES-12-205 worth the investment compared to cheaper batteries?

A1 SolarStore

Absolutely. While the initial cost is higher, the SAES-12-205 delivers superior long-term value. Its 1,200 cycles at 100% DOD means it lasts 3x longer than standard AGM batteries—potentially 8-10+ years in typical solar applications versus 2-3 years for standard batteries. The PSoC resilience is critical for solar systems where daily full charging isn't guaranteed, preventing the premature failure common in cheaper batteries. Additionally, it's maintenance-free (no watering required), reducing ongoing labor costs, especially for remote installations. When you factor in replacement costs, downtime, and maintenance over the system's lifetime, the SAES-12-205 typically costs less per kWh stored and provides far greater reliability. For serious off-grid applications where power failure isn't an option, this battery is an investment in peace of mind.

George B

01/15/2026

What's the difference between the SAES-12-205 and the SAES-12-105?

A1 SolarStore

The SAES-12-205 offers significantly higher capacity—179Ah (2.14 kWh) compared to the SAES-12-105's 107Ah (1.28 kWh). That's nearly double the energy storage, meaning fewer batteries needed for your system or much longer backup runtime. Both share the same advanced AES technology (3x cycle life, PSoC resilience, extreme temperature performance), but the SAES-12-205 is larger and heavier (125-131 lbs vs. 69 lbs). Choose the SAES-12-205 for larger off-grid homes, extensive RV systems, or applications requiring maximum energy storage with minimal battery count. Choose the SAES-12-105 for smaller systems, weight-sensitive applications, or when space is limited.

George B

01/12/2026

How many SAES-12-205 batteries do I need for my off-grid system?

A1 SolarStore

This depends on your daily energy consumption and desired backup capacity. Each SAES-12-205 stores 2.14 kWh of usable energy. For example, if your home uses 10 kWh per day and you want 2 days of autonomy (backup without sun), you'd need approximately 20 kWh total. However, to maximize battery life, it's recommended not to regularly discharge below 50%, so you'd want about 40 kWh of battery capacity—roughly 19 batteries. For a typical 48V system (most common for whole-home solar), you'd connect batteries in series sets of 4, so you might install 20 batteries (5 parallel strings of 4). The actual number varies based on your usage patterns, solar panel capacity, and climate. Professional system sizing is highly recommended for optimal performance and longevity.

Specification

AMP Hours	179Ah
Battery Voltage Level	Low voltage
Lead Acid Battery Type	AGM
Scope of Application	Remote monitoring and telecommunications stations Renewable Energy & Off-Grid Systems Residential & Commercial Backup
Type	Lead Acid
Voltage	12V
Dimensions LxWxH	14.97 x 6.94 x 14.07 in
Weight	131 lbs
Manufacturer	Trojan
Manufacturer Part #	SAES-12-205
Operating Temperatures	-4°F to 122°F
Warranty	3 years

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Attachments

Datasheet

About product

Trojan Solar SAES-12-205 Deep-Cycle AGM Battery

High-Capacity Solar Storage for Maximum Energy Independence

The Trojan Solar SAES-12-205 is a high-capacity 12V deep-cycle AES (Advanced Energy Storage) battery specifically engineered for renewable energy and backup power applications demanding superior performance. As the larger sibling of the SAES-12-105, this powerhouse delivers massive energy storage for systems requiring extended runtimes and exceptional durability in harsh environments where charging patterns are inconsistent.

Ideal For

Off-Grid Solar Systems – Essential storage for residential solar homes and rural electrification projects using 24V or 48V battery banks
Residential & Commercial Backup – Reliable backup power to keep critical appliances and systems running during grid outages
Remote Infrastructure – Powers telecom towers, oil and gas monitoring sites, and remote micro-grids in hard-to-access locations
Mobile Power Applications – Superior solution for large RVs and marine house banks requiring higher amp-hour capacity than standard batteries

Superior Performance Features

✓ Extreme Cycle Life – Validated to deliver up to 1,200 cycles at 100% Depth of Discharge—3x the lifespan of standard AGM batteries

✓ Partial State of Charge (PSoC) Technology – Advanced AES engineering allows operation in partially charged states without the performance degradation typical of lead-acid batteries

✓ Temperature Resilience – Engineered to perform reliably in extreme climates from -40°F to 140°F (-40°C to 60°C)

✓ Maintenance-Free & Safe – Completely sealed VRLA AGM design requires no watering, is non-spillable, and can be mounted horizontally for flexible installation

Technical Specifications

12V
175–179 Ah
216 Ah
2.14 kWh
Approximately 125–131 lbs (57–59 kg)
14.97" L × 6.94" W × 14.07" H
M8 Insert with LT Adapter

Maximum capacity. Maximum independence. Built for serious off-grid power.Size

14.97" × 6.94" × 14.07"

Weight

125 lb

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Overview

Trojan Batteries for Sale

🔋 Premium Deep-Cycle Golf Cart Batteries - 100 Years of American Manufacturing Excellence

Founded in 1925 by George Godber and Carl Speer, Trojan Battery Company stands as America's most trusted name in deep-cycle battery technology. Our distinctive maroon batteries now power golf cars on 98% of the top golf courses in the US, making Trojan the undisputed leader in golf cart power solutions.

Trojan pioneered the first deep cycle golf car battery, partnering with golf cart manufacturer Autoette to design a vehicle for a physically challenged golfer in 1952. This innovation launched a century-long commitment to powering the world's most demanding applications with unmatched reliability and performance.

Why Choose Trojan Golf Cart Batteries?

🏭 Manufacturing Excellence
Three ISO 9001:2015 certified manufacturing plants in California and Georgia. Design, testing, and final processing conducted in the USA, with lithium-ion batteries undergoing final processing at the California facility in Santa Fe Springs.

⚡ Technology Leadership
Trojan the only battery manufacturer offering proprietary Maxguard® Advanced Design Separator technology, designed to increase battery life and improve performance. T2 Technology™ for flooded deep-cycle batteries delivers greater maximum sustained performance, longer life and increased total energy.

🎯 OEM Trust
Club Car, EZGO and Yamaha Brand golf carts all use Trojan batteries straight from the factory, having tried and tested battery types from all battery companies available on the market. We're the top battery brand among golf cart and utility vehicle manufacturers, golf course fleet managers and consumers.

🏆 Proven Performance
For nearly 100 years, Trojan Battery Company people and products have been recognized for excellence by customers and industries around the world, earning awards for innovation, efficiency, technology, performance, reliability, sustainability, safety, and value.

Trojan Battery Technology Options

Flooded Lead-Acid Batteries

Our traditional trojan golf cart batteries deliver proven performance with industry-leading cycle life. The legendary T-105 model remains the gold standard, while our trojan 8v golf cart batteries like the T-875 offer enhanced performance for modern cart systems. In the early 1980s, the J217 evolved into the company's most popular golf cart battery, the T-105. The "T" stands for Trojan, and the "105" represents the 75-amp discharge rate in minutes.

AGM Deep-Cycle Batteries

Trojan AES AGM batteries, which have earned six innovation awards, offer up to three times the cycle life of standard AGM batteries. These maintenance-free trojan 12v golf cart batteries provide sealed convenience without sacrificing performance.

Lithium-Ion Golf Cart Batteries

The Trojan Lithium OnePack delivers up to 60 miles on a single charge, virtually zero maintenance, and faster charging – all in a single battery pack. Our trojan lithium golf cart batteries represent the future of clean, efficient power with Bluetooth connectivity allowing users to remotely monitor battery status from their smartphone.

Popular Trojan Battery Models & Specifications

Model	Voltage	Capacity (Ah)	Application	Special Features
T-105	6V	225Ah	Traditional golf carts	Industry standard
T-875	8V	170Ah	Modern cart systems	Highest sustained capacity
T-1275	12V	150Ah	High-voltage applications	Extended range
OnePack	48V	105Ah	Premium performance	Bluetooth connectivity

T-105 (6V, 225Ah) - Most Popular Choice

The industry standard for trojan 6v golf cart batteries, delivering reliable power for thousands of cycles. Perfect for traditional 36V and 48V golf cart systems.

T-875 (8V, 170Ah) - Modern Cart Systems

Received highest in sustained capacity and total ampere hour performance rankings for Trojan's T-875 flooded batteries from independent third-party testing. Ideal for trojan 8 volt golf cart batteries applications requiring enhanced performance.

T-1275 (12V, 150Ah) - High-Voltage Applications

Premium trojan 12 volt golf cart batteries designed for demanding applications and extended range requirements.

Lithium OnePack Series - Premium Performance

In 2024, Trojan released the Trojan OnePack, a 48V, 105Ah single pack battery specially designed for golf cart and LSV applications. In September, a golf cart set off on a record-setting trip to the 14,115-foot summit of Pikes Peak, powered by Trojan's new OnePack Lithium Battery, running 20 miles up Pikes Peak Highway with a 6.7% average grade.

How Long Do Trojan Batteries Last?

How long do trojan batteries last depends on several factors including battery type, usage patterns, and maintenance practices. Trojan's cutting-edge technology delivers higher total energy output compared to competitors, ensuring that your golf cart operates at peak efficiency for longer periods, translating to extended range and sustained, reliable performance.

Lead-Acid Battery Lifespan

Traditional flooded trojan batteries for golf cart applications typically deliver 4-6 years of reliable service with proper maintenance. Our proprietary technologies extend this lifespan significantly beyond standard batteries.

Lithium Battery Longevity

Trojan lithium golf cart batteries offer 8-10+ years of service life with minimal maintenance requirements, making them ideal for users seeking long-term value and convenience.

Customer Reviews & Industry Recognition

"Trojan has built its reputation since 1925 on product quality and product innovation and continues to do that today. Trojan battery has always had the reputation of being the best battery in the industry and with customer service to match"

— Industry Professional

La Cala Golf Resort needed a reliable battery solution for its fleet of 200 golf carts. Trojan lithium golf cart batteries provided the solution, offering longer life, reduced maintenance, and improved performance compared to lead acid batteries. The resort's staff can now focus on providing a great experience for their guests, knowing that the golf carts will reliably complete multiple rounds of golf.

— La Cala Golf Resort

Selected as one of the "most admired companies" by readers of Golf Course Industry magazine, as well as a company they can trust to provide reliable products and support.

Where to Buy Trojan Batteries Near Me

Finding trojan batteries near me and trojan golf cart batteries near me is easy through our extensive dealer network. With a worldwide network of Trojan master distributors, numerous dealers and a growing retail presence, Trojan products continue to power the planet. International offices across the Americas, Europe, Africa, Middle East and Asia ensure global availability.

Frequently Asked Questions

What voltage system does my golf cart need?

Most golf carts use 36V or 48V systems. Check your cart's specifications or consult with a trojan batteries dealer to determine the correct configuration for your specific model.

Can I mix different Trojan battery models?

For optimal performance, use identical batteries in your golf cart. Mixing different models or ages can reduce overall system performance and lifespan.

How do I maintain my Trojan batteries?

Flooded batteries require regular watering and cleaning. Our HydroLink™ single-point watering system provides faster, safer and easier battery watering. AGM and lithium batteries are maintenance-free.

What warranty coverage is included?

Trojan golf cart batteries are among the best in the market, reflecting the manufacturer's confidence through generous warranty periods. Warranty terms vary by battery type and application.

Do you offer bulk pricing for fleets?

Yes, we provide competitive fleet pricing for golf courses, resorts, and commercial operations. Contact your local dealer for volume discount information.

Ready to Upgrade to Trojan Batteries?

Get premium American-made golf cart batteries with industry-leading warranties and proven performance from the company that invented the golf cart battery

SHOP TROJAN BATTERIES NOW

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