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Best AGM Deep Cycle Batteries for Boats

If you want to keep your boat afloat, you need one of these!

Positive feelings from past customers

  • The product is maintenance-free

  • The product is a quality made product

  • The product has great longevity

Negative feelings from past customers

  • The battery is too heavy

The Renogy Deep Cycle AGM Battery 12 Volt 100Ah is a replacement battery for automotive applications. It features a 3% self-discharge rate, meaning it will retain its charge for longer periods of time than other batteries on the market. Additionally, this battery is designed for deep cycle use, meaning it can be discharged and recharged multiple times without damaging the battery.


The Renogy Deep Cycle AGM Battery 12 Volt 100Ah is a automotive battery that is maintenance free and safe to use. It has a 2-year material and workmanship warranty guarantee. The battery is also better performance at extreme temp and has a longer shelf life. Additionally, it has an outstanding discharge performance and can power most appliances.


The vast majority of users seem to be very happy with the product, giving it a five star rating. There are some negative reviews, but they are in the minority.


According to user reviews, the Renogy Deep Cycle AGM Battery is an excellent product that is perfect for those who need a reliable and long-lasting battery. It has a self-discharge rate of only 3%, meaning that it will retain its charge for much longer than other batteries on the market. Additionally, it has a maximum discharge current of 2000A, making it ideal for powering large appliances. Finally, the battery is maintenance-free, meaning that you won't have to spend any time or money keeping it in good condition.

$189.99 AT AMAZON

Positive feelings from past customers

  • Timely delivery

  • Good build quality

The VMAX XTR6-235 is a high-performance AGM deep cycle battery that offers a superior 10-12 year lifespan in float mode. This battery is perfect for AC or DC power requirements and comes with a 12 month warranty.


The Qty 6 XTR6-235 6V 235AH AGM Solar Battery Bank Qty is a product that emphazises its dimensions at 10.2"L x 7.1"W x 10.8"H Each, and its Heavy Duty 6V 235AH AGM DEEP CYCLE BATTERY BANK (6V 235AH 1.62kWh Each). This product is also known for its high performance VMAX AGM batteries that are sealed and maintenance free. In addition, the VMAX batteries feature military grade plates for an extra margin of performance and service life in either float or cyclic applications. Finally, the VMAX Xtreme Series AGM batteries offer an estimated 2,600 cycles at 25% depth of discharge, and 1000 cycles at 50% depth of discharge.


The sentiment of user reviews is very positive, with a 100% five-star rating.


According to user reviews, the Qty 6 XTR6-235 6V 235AH AGM Solar Battery Bank Qty 6 VMAX Xtreme Series 6V AGM Deep Cycle Batteries 235Ah 6 Volt Maintenance Free 10.2" L x 7.1" W x 10.8" H is a great product that offers a lot of value for the money. It is a reliable and well-made product that is perfect for those who need a durable and long-lasting battery for their solar panel system.

$2059.99 AT AMAZON

Negative feelings from past customers

  • The batteries are very heavy, about 75lbs each.

This product is a pack of four 6 volt 225 Ah AGM solar batteries by VMAX USA. These batteries offer superior performance and an 8-10 year lifespan in float mode. They come with a VMAX label and a VMAX hot stamp on top, as well as a 12 month warranty.


The QTY 4 VMAX V6-225: 6.2kWh 24V AGM Solar Battery Bank is a heavy duty, sealed, maintenance free battery bank that is safe for indoor use. The VMAX batteries feature military grade plates for an extra margin of performance and service life in either float or cyclic applications, even after repeated discharges. The QTY 4 VMAX V6-225: 6.2kWh 24V AGM Solar Battery Bank is shipped on a pallet and must be signed for when delivered. A contact number is required to schedule pallet delivery.


The vast majority of users seem to be very happy with the product, rating it at five stars. There are only a handful of one star reviews, which could indicate that either the reviewer didn't have a good experience or that they may be in the minority.


According to user reviews, the QTY 4 VMAX V6-225: 6.2kWh 24V AGM Solar Battery Bank for Home, RV, or Industrial (4) 6V 225Ah AGM Deep Cycle Batteries 6 Volt Maintenance Free is an excellent product that can be used for a variety of purposes. It is easy to install and use, and it provides a great way to store energy for later use. The batteries are also very durable and long-lasting, making this an excellent investment for anyone in need of a reliable and efficient battery bank.

$1299.99 AT AMAZON

The 12V 1000Ah AGM Deep Cycle Battery for Off Grid Solar is a state of the art, heavy-duty, calcium-alloy grid battery that provides exceptional performance and service life in both float and cyclic applications. The ML8D is an Absorbent Glass Mat (AGM) technology with a valve regulated design, that can be used in enclosed and indoor environments without leaking or maintenance, providing a superior performance for thousands of models. Mighty Max SLA batteries are utilized in a wide variety of applications including; Consumer Electronics, Electric Vehicles, Engine Starters, Golf Carts, Hunting, Lawn and Garden Tools, Medical Mobility, Motorcycles, Power sports, Portable Tools, Solar, Toys and Hobby, Access Control Devices, Emergency Lighting, Security and more.


The 12V 1000Ah AGM Deep Cycle Battery for Off Grid Solar is a 12V 250AH Sealed Lead Acid (SLA) rechargeable maintenance free battery. It is a pack of 4 batteries that are UL Certified. The dimensions of the product are 20.47 inches x 10.59 inches x 8.86 inches. The product only includes the Battery and Screws, and does not come with a wire harness or mounting accessories. This product is a factory activated SLA / AGM battery that is maintenance free. This means that there is no adding water necessary and is designed to work right out of the box. This product also has a characteristic of being able to resist shocks and vibrations. It is backed by a 30 day refund policy and full 1 year warranty.


The overall sentiment for this product is positive, with a 100% five-star rating.


$1799.99 AT AMAZON

Warranty: 1 Year The Mighty Max ML8D 12 Volt 250 AH battery is a state of the art, heavy-duty, calcium-alloy grid that provides exceptional performance and service life in both float and cyclic applications. The ML8D is an Absorbent Glass Mat (AGM) technology with a valve regulated design, that can be used in enclosed and indoor environments without leaking or maintenance, providing a superior performance for thousands of models.


The 24V 500Ah AGM Deep Cycle Battery is a maintenance-free, sealed lead acid battery that comes with screws and is UL certified. It is designed to work right out of the box with no fluids to add, and can be mounted in any position. This high-performance battery resists shocks and vibrations, and works in both high and low temperatures. It comes with a 30-day refund policy and a 1-year warranty.


The sentiment for this product is overwhelmingly positive, with all three users giving it a five-star rating.


$1799.99 AT AMAZON

Positive feelings from past customers

  • It is a good value

  • It is maintenance-free

  • It is powerful

The NPP NP12-200Ah 12 Volt 200Ah AGM VRLA Rechargeable Battery is a high-quality battery that is perfect for automotive and replacement parts applications. This battery features a 1200+ Deep Cycle design that makes it perfect for long-lasting use. Additionally, the NPP NP12-200Ah 12 Volt 200Ah AGM VRLA Rechargeable Battery is easy to install and comes with a 1-year warranty.


The NPP NP12-200Ah 12 Volt 200Ah AGM VRLA Rechargeable Battery is a high quality battery that is designed for long lasting use. The battery features 1200+ lifecycles, a smooth discharging voltage, and a mild discharge platform. The NPP NP12-200Ah 12 Volt 200Ah AGM VRLA Rechargeable Battery is also UL, CE, IEC, ISO14001, ISO19001, OHSAS18000, TLC certified.


The user review sentiment is overwhelmingly positive, with 77% of reviewers giving the product a five-star rating. Only 4% of reviewers gave it a one-star rating.


According to user reviews, the NPP NP12-200Ah 12 Volt 200Ah AGM VRLA Rechargeable Battery is a reliable and affordable option for those in need of a deep cycle battery. This battery is designed for use with RVs, campers, boats, and other off-grid applications. It features a high capacity of 200Ah, making it a great choice for powering larger appliances. Additionally, the NPP NP12-200Ah 12 Volt 200Ah AGM VRLA Rechargeable Battery comes with a safe charger that is compatible with most home appliances.

$1544.99 AT AMAZON

Positive feelings from past customers

  • Work as expected

  • Pricey

  • Shipped very well strapped to a pallet

  • Batteries came in perfect shape

  • Product delivered as promised

Negative feelings from past customers

  • Pricey

  • Took some time to arrive

  • Product did not have the "plus label"

4 X TROJAN BATTERY T-105 PLUS 6V DEEP CYCLE FLOODED batteries are high-quality, deep-cycle batteries that can be used for a variety of purposes. These batteries are designed for golf carts and industrial applications, and can provide up to 8 hours of run time.


This product is a 4-pack of Trojan Battery T-105 Plus 6V deep cycle batteries designed for golf carts and industrial vehicles. The batteries will be delivered on a pallet via truck freight, and an appointment is required for delivery. The buyer is responsible for any return shipping charges if the product is refused.


The user review sentiment is positive, with a five star rating given 69% of the time. A one star rating was given 10% of the time.


According to user reviews, the 4 X TROJAN BATTERY T-105 PLUS 6V DEEP CYCLE FLOODED 225 Ah is a great product that is perfect for those who need a reliable and long-lasting battery. It is said to be very easy to install and use, and is also very affordable. There are some complaints about the customer service, but overall, this product is highly recommended by users.

$1131.23 AT AMAZON

Positive feelings from past customers

  • Light weight

  • Long lasting

  • Fast charging

  • Good capacity

  • Responsive seller

Negative feelings from past customers

  • Not powering under load

  • No response from Heer Power

  • Risk of aggravating old back injury from lifting

  • Need to use a special inverter and charge controller

The Enjoybot 12V 300Ah Lithium LiFePO4 Deep Cycle Battery is a high-performance, long-lasting battery that is perfect for your automotive needs. With a built-in 200A, this battery provides plenty of power for your car, truck, or SUV.


The Enjoybot 12V 300Ah Lithium LiFePO4 Deep Cycle Battery is a battery that is designed to last for 10 years and 2000+ cycles. The battery is also 95% efficient and can be used as a replacement for Lead Acid batteries. The battery is also IP65 waterproof and has a built-in BMS protection.


The sentiment is overwhelmingly positive, with 76% of reviewers giving the game 5 stars. There are only 7% 1-star reviews, and the rest are 4 stars or higher.


According to user reviews, the Enjoybot 12V 300Ah Lithium LiFePO4 Deep Cycle Battery is an exceptional product that offers many features and benefits. Users have praised the battery for its built-in 200A BMS, which allows for 2000-5000 cycles, as well as its 10-year lifetime. The battery is also said to be perfect for RV, boat, golf cart, and car use, and is even solar power backup compatible. Overall, the reviews are very positive and recommend this product to anyone in need of a high-quality, long-lasting battery.

$979.99 AT AMAZON

Positive feelings from past customers

  • They are happy with the product

  • The product functions as stated

  • They feel like the product is a good value

  • The product works well

  • The product is a good fit

Negative feelings from past customers

  • There was a recent price increase

  • The batteries are very heavy

  • The battery started leaking

The Mighty Max ML4D 12 Volt 200 AH Battery is a state of the art, heavy-duty, calcium-alloy grid that provides exceptional performance and service life in both float and cyclic applications. The ML4D is an Absorbent Glass Mat (AGM) technology with a valve regulated design, that can be used in enclosed and indoor environments without leaking or maintenance, providing a superior performance for thousands of models. Mighty Max SLA batteries are utilized in a wide variety of applications including; Consumer Electronics, Electric Vehicles, Engine Starters, Golf Carts, Hunting, Lawn and Garden Tools, Medical Mobility, Motorcycles, Power sports, Portable Tools, Solar, Toys and Hobby, Access Control Devices, Emergency Lighting, Security and more.


The 12v 200ah Battery Replacement for Solar Power - Deep Cycle is a sealed lead acid (SLA) rechargeable maintenance free battery that is UL certified. The dimensions of the battery are 20.87 inches x 9.45 inches x 8.74 inches. The listing is for the battery and screws only, and does not include a wire harness or mounting accessories. This battery has a high discharge rate, wide operating temperature range, long service life, and is resistant to shocks and vibration. It also comes with a full 1 year warranty.


The user review sentiment is overwhelmingly positive, with 73% of reviewers giving the product 5 stars. However, there is a significant minority of 14% of reviewers who gave the product 1 star.


According to user reviews, this 12v 200ah Battery Replacement for Solar Power - Deep Cycle - 4 Pack is an excellent product that provides great value for the money. It is a great replacement for solar power batteries, and it is very easy to install and use. This product is also very durable and long-lasting, making it a great investment for anyone in need of a reliable and affordable battery solution.

$1399.99 AT AMAZON

Positive feelings from past customers

  • Only time will tell

  • Just what we needed

  • Great product

  • Super friendly people

Negative feelings from past customers

  • Only time will tell if they're good

The Trojan T-125 240Ah, 6V Deep Cycle Battery - 6 Pack is a pack of 6 batteries that are perfect for automotive or electronic use. These batteries are deep cycle and have a long lifespan, making them a great choice for those who need a reliable battery.


The Trojan T-125 battery is a 240 Ah, 6 V deep cycle battery that has a BCI group size of GC2. The dimensions of the battery are 10.30 inches in length, 7.13 inches in width, and 11.15 inches in height. The weight of the battery is 66 pounds.


The sentiment is overwhelmingly positive, with 80% of users giving the product a five-star rating. There are no one-star ratings.


According to user reviews, the Trojan T-125 240Ah, 6V Deep Cycle Battery is a high-quality, long-lasting battery that is perfect for use in deep cycle applications. This battery pack includes six batteries, making it an ideal choice for those who need a reliable power source for their electronic devices or automotive needs. The T-125 batteries are designed to provide maximum power and performance, and they come with a full two-year warranty.

$1699.99 AT AMAZON

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