Best Trolling Motor Batteries of 2021
Two thing you don’t want happening to you when you go fishing; having to abandon a good catch after losing power and being stuck in the lake at night because your trolling battery died unexpectedly. The best trolling motor batteries assure you that none of the above scenarios is likely to happen.
Today’s batteries are fully sealed from the manufacturer, making it possible – and easy – to buy them online. We assembled some of the best on the market with key features to make it easier to choose among the tons of brands on sale.
Table of Contents
Reviews – Trolling Motor Batteries
1. Power Boat Pontoon Electric Trolling Motor Battery
The Mighty Max 55 Ah battery will provide 12V electricity for about two days of regular use before you need to recharge. This duration is exceptional and reliable, with a day averaging 3 to four hours unless you are at high speeds. The battery weighs 40lbs which is light when compared to other batteries in its class. A similar Universal battery weights 3 times more. This feature increases its portability, and you can move it around often.
Another positive aspect is the refund policy and accompanying one-year warranty. As an owner, you get the chance to change it for something else if within the covered period it disappoints you. Fortunately, that is unlikely. The battery’s construction and seal structure ensures it can resist vibration and shock even under extended use. The company uses advanced technology and designs the batteries to withstand long periods of use even in deep cycle applications.
The company invests in a massive amount of research and development into the finest ways to construct and then orientate the cells within the battery’s chassis. However, Mighty Max 12v 55 Ah battery’s best proposition as a trolling motor battery is the temperature range over which the battery performs optimally. Not all days in the water will be at an ideal 70 F. Occasionally; you will be fishing at 45 degrees Fahrenheit and at other times at 105 degrees Fahrenheit.
Changes is temperatures especially extreme ranges often interfere with the performance of a battery. As a result, the power output recedes, and you get fewer overall cycles from the battery. However, Mighty Max uses an ingenious variety of technologies for this product that makes it fit to work in both hot and cold temperatures. The Mighty Max 12v 55 Ah battery is therefore excellent for those living in the north where there are colder climates, or in the south where the climate is warm but need to hit the water any season, not just when the weather is best.
- Uses Seal Lead Acid (SLA) and Absorbent Glass Mat (AGM) technologies
- Maintenance-free battery
- Compact and lightweight: 38.6 pounds, and 9.02 x 5.43 x 9.13 inches
- Amperage: 55 Ah
- Voltage: 12 V
- 30-day money-back guarantee
- 1-year warranty
2. Universal Power Group 12V Trolling Motor Battery
The Universal Power Group 12V 100Ah Replacement Battery will require some considerable investment on your part. Though it is all worth it, the good thing is it offers a ton of value for boaters. First, it’s an Absorbent Glass Mat (AGM) battery that doesn’t require extra water during the battery’s lifetime.
Secondly, it is completely maintained free, and it does not come with any leakage of air or have any smokes. The latter part is largely thanks to the quality of the seal. It comes in an acid-proof body that also offers durability and resistance to vibration and shock. UPG collaborates closely with the battery builder in China ensuring the seal structure on the sides all meet the sealing guidelines. As a result, this battery is among the safest SLA products in the industry. The design is completely leak-proof, and no water can get in or any acid comes out.
The design and sealing structure also give this battery a long lifespan making it an excellent choice for infrequent trolling and cannot be in the water daily. It’s also a genuine deep cycle battery and you can install in in any manner, not just horizontally.
Its power discharge is 12 at the rate of 100 Ah every hour, and there is no drop in performance all day. On regular use, this can easily last you four days. Its power reliability makes it versatile for use with other items, from motorcycles to electric vehicles too. At 63lbs, it is leaning on the heavier side, but it comes with easy to attach strings on top that allow you to move it around easily.
Universal Power Group is an established and quality brand, which shows in this battery and their one-year warrant and return policy.
- It is a heavy but compact: 63lbs and 12.17 x 6.61 x 9.16 inches
- Has a spill-proof construction for any mounting position
- SLA/AGM technologies keep it maintenance-free
- Amperage: 100 Ah
- Voltage: 12 volts
- Requires replacement every 3-5 years
3. Weize 12V 100AH Deep Cycle AGM SLA VRLA Battery
The Weize 12V 100Ah Deep Cycle AGM is a Sealed Lead Acid (SLA) battery, and it is one of the best in its class. At 60lbs, it is among the heaviest batteries on this review. Fortunately, it comes with built-in handles for you to conveniently pick it up and move around. The batteries pack has bolts and screws for installation and the battery. There is no extra tools like a harness provided for installation but you do not need those.
The installation is a breeze since it is simply driving the screws into the surface. Its small stature ensures it is appropriate for many trolling boats. You have to watch the weight does not go past the recommended limit. It is especially ideal when used in Mini Kota, Cobra, and Sevylor trolling motors.
The Weize 12V 100AH Deep Cycle Battery also uses AGM technology, which gives it a long lifespan. It can power your boat over a whole fishing season and several more seasons too. Also, it provides reliable power output and fast recovery from discharges.
The Weize 12V 100Ah deep cycle design makes it ideal for both standby and deep cycle applications. It is versatile enough to serve in other appliances like scooters, solar energy storage, golf carts, wheelchairs, and plenty more. A state-of-the-art grid made of calcium alloy provides the performance and ensures the battery can be used in indoor and enclosed environments without any risk of leakage. Thanks to AGM technology, the battery is also maintenance-free.
- Sealed Lead Acid Battery type
- Compact design measuring 12.09 x 6.65 x 9.17 inches
- It’s an alternative for Universal UB121000 and Renogy 100 AMP Hour
- Uses AGM technology and a regulated valve design
- Functions in both float and cyclic environments
- Voltage: 12 V
- Amperage: 100 Ah
- 1-year warranty
4. VMAX MR137-120 AGM Sealed Marine AGM Battery
For an amazing group 31 battery (that is more power capacity) that won’t break the bank, the VMAX MR137-120 model is the best choice for you. Thanks to its AGM advanced electrolyte suspension system, the battery can be mounted in any position. It also comes with a heavy-duty lead and tin alloy casing making it rugged enough to withstand any harsh treatment. The AGM design also provides a maintenance-free operation and long life. You can use the VMAX MR137-120 for 8 to 10 years without needing to know anything about battery maintenance beyond simple care.
This battery’s unique chemical and physical designs make it not only durable and highly resistant to shock and vibrations but also exceptionally reliable in terms of performance. This battery quickly recovers, resuming peak performance even after repeated discharges.
You get great storing power with this battery, making it a great option for trolling motors if you like being out on the water for hours. Unsurprisingly, it is also excellent as part of a solar power system offering sufficient energy for most household appliances.
The one downside of this battery is its weight. It weighs 75 pounds, so it is not one for moving around often. If you are looking for an excellent and affordable group 31 battery that doesn’t cost you longevity, performance, or efficiency, you cannot go wrong with the VMAX MR137-120.
- Advanced electrolyte suspension system with AGM
- Heavy-duty lead and tin alloy grids.
- Long lifespan of 8 to 10 years
- Provides maintenance-free operation
- Measures 13 x 6.8 x 8.8 inches and weighs 75 pounds
- Can be used in both deep cycle and float applications
5. Ampere Time LiFePO4 Battery
The Ampere Time Lithium Iron Phosphate is extremely light in weight. The lightest battery in this review is half as light as a similar capacity SLA battery. It is also loaded with technology and unique designs that increase its portability and excellent unrivaled performance. The company does not have the huge reputation or brand awareness of its competitors. Its product also lacks the high capacity as some other items on this list. However, it shines on three aspects; superior performance, longevity, and safety.
For starters, it has an ingenious battery self-regulation system. This system protects against low temperatures, overheating and overloading, short circuit, and overcharge. It also includes a built-in high and low temp cut off, which prevents charging over 22 °F or under 32 °F.
Moreover, it has a 10-year shell life all the while giving out 50A power. It offers 2000 to 5000 cycles compared to 200-500 cycles and a 3-year lifetime in lead-acid batteries. The Ampere Time battery has a rare 5-year warranty. Its flat discharge curve maintains above 12% for about 90% of its capacity usage, way above the 50% figure in lead-acid batteries.
When you add this to its durable and super lightweight design, it becomes the best deep-cycle in the best battery for your trolling unless capacity is a significant issue.
- Uses Lithium-ion technology
- Has longer service/lifespan
- Has a built-in Battery Management System
- Light and compact design: 7.99 x 6.53 x 6.99 Inches and weighs 14.33lbs
6. Optima OPT8016-103 Marine Battery
Getting a trolling motor battery that will perform regularly is a daunting task. Trolling motor batteries can be quite temperamental and lose their ability to charge and discharge in a few cycles.
The Optima OPT8016-103 is designed to be different from the standard batteries. Optima uses advanced designing and structure such that its batteries have a charge and discharge capacity triple that of ordinary marine batteries. Therefore, it is the best choice for any trolling enthusiasts who want to be out in the waters frequently every season.
Optima has achieved all these metrics thanks to the engineering process and structure of its cells. The company owns its manufacturing facilities which is a contrast to most other brands who get their batteries made my other parties only to rebrand. This aspect gives Optima more control in the design and quality of the batteries. Its SpiralCell design is cost-effective and increases the performance and safety features of the battery. The batteries are also 15 times more resistant to vibration, enabling them to operate and deliver top performance even in harsh conditions.
- Uses Spiral Cell Design for cost-effectiveness
- Has a reserve capacity of 120 minutes
- It is a dual-purpose battery both for starting and deep cycle.
- Voltage: 12 V
- Amperage: 55Ah