15 Best Black Friday Deep Cycle Battery Deals 2025

Black Friday is the perfect time of year to upgrade your power setup without breaking the bank. Whether you’re powering an RV, boat, off-grid cabin, or solar system, deep cycle batteries are essential for reliable, long-lasting energy storage.

In 2025, we’re offering some of the best Black Friday deals on deep cycle batteries, with prices slashed across a wide range of lithium models, giving you the biggest savings of the year. Let’s explore how to choose the right deep cycle battery, and the top Black Friday battery deals you won’t want to miss!

What is the Best Deep Cycle Battery?

A deep cycle battery is designed to provide steady power over a long period and can be deeply discharged and recharged many times. It’s the backbone of energy systems used in RVs, boats, off-grid solar setups, home backup, and more.

While there are several types, lead-acid, AGM, and lithium—LiFePO4 batteries are widely considered the best types for deep cycle use.

• Longer lifespan: up to 4000+ charge cycles, 10x longer than lead-acid.
• Higher efficiency: nearly 100% energy conversion, while lead-acid with only 50%.
• Lightweight and compact: half the weight of traditional lead-acid and AGM batteries.
• Stable performance: The voltage remains stable during discharging even at high discharge rates.
• Faster Charge: charge up to 2-4 times faster than traditional lead-acid batteries. Spend more time using your system instead of waiting for it to recharge.
• Maintenance-free: with no maintenance required.

How to Choose a Deep Cycle Battery: Key Factors

Before purchasing, it’s important to understand what makes a deep cycle battery better suited for your needs. Here are key factors to consider:

1. Battery Type

If you’re upgrading from lead-acid, go for LiFePO4 lithium batteries. They’re maintenance-free, lightweight, and have a much longer service life.

2. Capacity (Ah)

Measured in amp-hours (Ah), capacity determines how much energy your battery can store.

• 50Ah–100Ah: Ideal for small RVs, kayaks, or portable setups.
• 200Ah–300Ah: Great for mid-sized RVs, boats, and solar systems.
• 400Ah+ or higher voltage (24V/48V): Perfect for large off-grid solar setups and home backup power systems.

3. Voltage

12V battery systems are common, but 24V and 48V batteries are more efficient for high-power setups since they reduce wiring losses.

4. Battery Size

Choosing the right battery size ensures it fits your setup both physically and electrically. Deep cycle batteries come in standard group sizes such as Group 24, Group 27, and Group 31, which determine their dimensions and terminal placement. Always check your battery compartment or mounting space before purchasing.

5. Low-Temperature Features

If you live in cold climates, look for batteries with low-temp protection or self-heating features to prevent battery damage during freezing weather.

6. Smart Features

Modern batteries like the Redodo Bluetooth battery series include Bluetooth 5.0 connectivity, allowing you to monitor voltage, current, and remaining capacity directly from your smartphone.

Top Deep Cycle Battery Black Friday Deals in 2025

From November 3 to December 7, Redodo’s Black Friday Battery Sale offers a big discount with up to 70% off! These are limited-time discounts available for a short period, so it’s a great opportunity to grab these premium LiFePO4 batteries at the best prices of the year.

12V 100Ah Lithium Battery — Was $219, Now $179

One of the most affordable 12V 100Ah LiFePO4 battery. The battery is a perfect all-around option for RVs, boats, and solar systems. Compact, lightweight, and reliable, it offers up to 4000+ cycles and stable 12V power for daily off-grid use.

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12V 100Ah Group 24 Bluetooth Lithium Battery — Was $239, Now $199

Monitor your battery status in real-time with Bluetooth 5.0. Ideal for users who want both performance and convenience, this battery fits standard Group 24 compartments. Ideal for kayak trolling motors, compact recreational vehicles, fish finders, and more.

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12V 100Ah Group 31 Bluetooth Lithium Battery — Was $249, Now $199

With upgraded moisture and dust resistance, this Group 31 deep cycle battery is built for marine environments. Its smart Bluetooth app makes battery tracking effortless. The low-temperature protection makes it charging and discharging safely in winter days.

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12V 165Ah Group 31 Bluetooth Lithium Battery — Was $349, Now $289

Need more runtime for your trolling motor or RV setup? This 165Ah model offers extended capacity and Bluetooth monitoring, while keeping a compact Group 31 battery size. Perfect for power-hungry setups and vehicles with limited space.

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Redodo also provides the 140Ah Group 31 lithium battery for energy storage needs, with the Black Friday price of $269 (regularly $319).

12V 300Ah Lithium Battery — Was $549, Now $459

A high-capacity lithium battery for full-time RV nomads and off-grid users. Delivering over 3840Wh of energy and 2560W of output power, the 300Ah lithium battery can easily support large appliances like refrigerators, microwaves, inverters, and solar systems.

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12V 100Ah Group 24 Lithium Battery — Was $229, Now $179 (Auto 8% Off: $165)

Compact yet powerful, this Group 24 deep cycle battery offers premium performance at an unbeatable price. It offers 4000+ cycles for extended lifespan. Great for beginners switching to lithium power.

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12V 100Ah Mini Lithium Battery — Was $239, Now $199 (Auto 8% Off: $184)

The 12V 100Ah Mini LiFePO4 battery packs full-sized power in a smaller case. The small model weighs only 19.84 lbs, 18% lighter than the standard 12V 100Ah lithium battery. Ideal for kayak trolling motors, fishing setups, and portable power stations.

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12V 100Ah Lithium Trolling Motor Battery —Was $229, now $189 (Auto 8% Off: $174)

Specially designed for trolling motors with 30–70 lbs of thrust, this 12V 100Ah trolling motor battery delivers stable power and long runtime on the water. It’s lightweight, maintenance-free, and features with low-temp protection for reliable performance.

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12V 200Ah Lithium Battery — Was $409, Now $359

Dependable and versatile, this 12V 200Ah LiFePO4 battery balances large capacity with portability. It offers 2560Wh of energy, perfect for RV house batteries, boats, or mid-size solar systems which need more power.

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12V 200Ah Low-Temp Lithium Battery — Was $449, Now $389 (Auto 8% Off: $358)

If you live in a cold climate and need a dependable power source, this battery is a perfect choice. Featuring built-in low-temperature protection, it’s specifically engineered to perform reliably in freezing conditions and winter camping adventures.

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12V 280Ah Low-Temp Lithium Battery — Was $509, Now $439 (Auto 8% Off: $403)

For high-demand setups in cold weather, this 12V 280Ah LiFePO4 lithium battery provides both large capacity and low-temp safety, perfect for home, off-grid cabins, and large RVs.

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The 12V 280Ah battery with upgraded Bluetooth function is available at the Black Friday price of $459. Shop the Bluetooth model Now

12V 400Ah Lithium Battery — Was $849, Now $799

This 400Ah lithium battery can reach an actual capacity of 410Ah, with up to 5.248kWh for heavy-duty use. Whether you’re powering an entire off-grid home or a large marine setup, this is the powerhouse you can rely on.

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24V 100Ah Lithium Battery — Was $519, Now $369

A great choice for high-voltage systems seeking greater efficiency. The 24V 100Ah lithium battery is perfect for 24-volt RV systems, solar and inverter applications with reduced wiring loss.

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24V 200Ah Lithium Battery — Was $1059, Now $819

With 5120Wh of energy, this 24V 200Ah battery saves you from wiring multiple 12V units in series and parallel connection. Ideal for high-power solar, off-grid cabins, and RV systems.

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48V 100Ah Lithium Solar Battery — Was $899, Now $719

A professional-grade option for solar energy storage and off-grid backup systems. This 48V 100Ah LiFePO4 solar battery provides high 5120Wh capacity with advanced Bluetooth monitoring and long cycle life. This 48V battery also can be used for golf cart battery.

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Cyber Monday Battery Deals 2025 on Redodo

If you miss the Black Friday rush, don’t worry, the Cyber Monday battery deals (Dec. 2 – Dec. 7) are also coming in hot! Redodo will continue to offer deep discounts on select deep cycle lithium batteries, including Bluetooth and low-temperature models.

• Limited 8% OFF Sitewide: Get 8% OFF on Black Friday (Nov. 28) and Cyber Monday (Dec. 1).
• Buy More, Save More: Buy 1 pack battery to enjoy 5% off, 2 packs for 7% off, and 4 packs for 8% off.
• 8% OFF All Accessories: Including lithium battery chargers, inverters, MPPT solar controllers, and more.
• 48-Hours Flash Sale: Subscribe newsletter to get best-selling products at Black Friday returned prices every two days.

Why Buy from Redodo This Black Friday Cyber Monday?

Redodo is a leading LiFePO4 battery brand, delivering safe, reliable, and efficient LiFePO4 batteries with EV-grade prismatic cells. You can purchase your favorite batteries with confidence on the Redodo official store, and enjoy:

• EV-Grade LiFePO4 Cells: Only premium LiFePO4 cells are used, ensuring high energy density, longer lifespan, and superior stability.
• Certified Safety & Reliability: All Redodo batteries are certified by UL-1973, CE, FCC, ROHS, UN38.3 for safety and reliability.
• 30-Day Price Guarantee: Shop with confidence knowing that if our price drops within 30 days of your purchase, we’ll refund the difference.
• 5-Year Warranty: Every Redodo LiFePO4 battery comes backed by a robust 5-year warranty, ensuring long-term protection and dependable performance.
• Lifetime Technical Support: Our expert support team is always here to help with setup, troubleshooting, or system optimization—no matter how long you’ve had your battery.

FAQs About Deep Cycle Battery Deals

When is Black Friday 2025?

Black Friday 2025 falls on November 28th, the day after Thanksgiving. Sales usually begin early that week and continue through the weekend into Cyber Monday (December 1st, 2025).

How long do Redodo’s Black Friday battery deals last?

Most Black Friday deep cycle battery deals last until Cyber Monday (Dec. 1), but the best prices and stock availability are often limited, so it’s smart to shop early.

Are lithium batteries worth buying during Black Friday?

Absolutely. Lithium batteries rarely go on sale at this scale, and Black Friday 2025 offers one of the few chances to get top-quality LiFePO4 batteries at heavily discounted prices.

What’s the difference between Black Friday and Cyber Monday battery sales?

Black Friday typically features the biggest overall discounts, while Cyber Monday may include Black Friday price return, extra discount promotions, or free gifts. Both are worth watching.

Conclusion

If you’ve been waiting to upgrade your power system, now is the time. The 2025 Black Friday deep cycle battery deals from Redodo deliver unbeatable prices on high-performance LiFePO4 models for RVs, boats, solar systems, and off-grid living.

Read More:

17 Top Black Friday Battery Deals for RV, Marine, and Solar Use

Black Friday Battery Deals 2025: Save Up to 70% on Redodo

12V vs. 24V: Which RV Battery System is Better?

Choosing Best Battery for Your Kayak Trolling Motor