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The best deep cycle battery for electric trolling motor use is the one that holds its voltage through a long day of stop-and-go running, and every battery below is sold as a deep cycle unit for marine use. We compared what each listing states: amp-hours, battery chemistry, BMS current, low-temperature behavior, expansion limits and warranty terms. Trolling-motor-specific protections and stated certifications separate the leaders.
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Quick picks
Best Overall Power Queen 12V 100Ah LiFePO4: Trolling-motor build with TVS surge guard and 5-year warranty Check price on Amazon
Most Certified HumsiENK 12V 100Ah LiFePO4: IP67, UN38.3 and CE listed with 15000+ stated cycles Check price on Amazon
Best Value SUPER EMPOWER 12V 100Ah: 100Ah LiFePO4 with a 100A BMS, thin listing Check price on Amazon
Group 24 Pick MARSENERGY 12V 100Ah LiFePO4: 100Ah LiFePO4 in Group 24 size, title-only listing Check price on Amazon
AGM Option Newport Vessels 12V 50Ah AGM: 50Ah AGM for buyers who want lead-acid simplicity Check price on Amazon
The kits we chose
| # | Product | Solar Score | Buy |
|---|---|---|---|
| 1 | Power Queen 12V 100Ah LiFePO4 | 9.7/10 | Buy on Amazon |
| 2 | HumsiENK 12V 100Ah LiFePO4 | 9.7/10 | Buy on Amazon |
| 3 | SUPER EMPOWER 100Ah | 9.7/10 | Buy on Amazon |
| 4 | MARSENERGY 100Ah LiFePO4 | 9.6/10 | Buy on Amazon |
| 5 | Newport 12V 50Ah AGM | 9.5/10 | Buy on Amazon |
Power Queen 12V 100Ah LiFePO4
A 12V 100Ah LiFePO4 battery built for trolling motors up to 120lb thrust, with a TVS surge guard, ABYC E-13 compliance and a stated 5-year warranty.
Pros
- Built for trolling motors up to 120lb thrust on 12V-36V systems
- TVS surge protector and ABYC E-13 compliance stated
- Stated 5-year warranty
- Expands to 4P4S at 51.2V 400Ah
Cons
- Title claims up to 15000 deep cycles while bullets state 4000+ at 100% DOD
- 22.16 pounds, heavier than the 19.73-pound HumsiENK
- Group 31 is the largest footprint here
- Low-temperature protection stops discharge below -4F
Detailed Review
The listing states a 12V 100Ah LiFePO4 battery with 1280Wh, a 100A BMS, Group 31 size, M8 terminals and a 5-year warranty, built for trolling motors up to 120lb thrust on 12V-36V systems. It lists a TVS surge protector, ABYC E-13 compliance with a triple-protected BMS, low-temperature protection that stops charging below 32F and stops discharging below -4F, IP65, 22.16 pounds and expansion to 4P4S at 51.2V 400Ah. The title promises up to 15000 deep cycles while the bullets state 4000+ cycles at 100% DOD, so treat the cycle figure with care and trust the lower, more specific claim.
Who it's for: anglers who want trolling-motor-specific protections and a stated 5-year warranty. Who should skip it: buyers put off by the conflicting cycle-life figures.
Its Solar Score of 9.7/10 comes from performance 32/35, build 21/25, value 21/25, safety 8/10 and warranty 4/5: 86 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 12V 100Ah, 1280Wh |
|---|---|
| BMS | 100A with low-temp protection |
| Size | Group 31 |
| Expansion | 4P4S to 51.2V 400Ah |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. ABYC E-13 compliance, triple-protected BMS, low-temp protection and IP65 stated, so safety scores 8 of 10. 5 Year Warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Battery safety. Charge with a charger and settings that match the stated chemistry, fuse the positive lead as the manual directs, cover terminals, keep within the stated temperature range, and never charge a damaged battery.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
HumsiENK 12V 100Ah LiFePO4
A 12.8V 100Ah LiFePO4 battery with 15000+ stated cycles, IP67 and a long certification list, expandable to 48V and 20.48kWh.
Pros
- 15000+ deep cycles stated, with a 10-year lifespan
- IP67 plus UN38.3, FCC, CE and ROHS stated
- 100A BMS with low-temperature cutoff and 2-hour full charge stated
- Expands to 4 in series or 4 in parallel, up to 48V and 20.48kWh
Cons
- No trolling-motor-specific surge protection is stated
- Bullet dimensions of 8.4 by 6.6 by 10.2 inches differ from the spec table's 6.6 by 10.2 by 8.2
- Discharge shuts down below -4F in winter use
- No Group 31 size is stated
Detailed Review
The listing states a 12.8V 100Ah LiFePO4 battery with 1280Wh, a 100A BMS, Group 24 size, IP67 and 15000+ deep cycles. It lists operation from -4F to 158F with shutdown below -4F, a 2-hour full charge, expansion to 4 in series or 4 in parallel up to 48V and 20.48kWh, a nylon handle, 19.73 pounds and UN38.3, FCC, CE and ROHS certifications with a 5-year warranty. The bullets give 8.4 by 6.6 by 10.2 inches while the spec table gives 6.6 by 10.2 by 8.2 inches, so trust the spec table for size.
Who it's for: buyers who value stated certifications and wide expansion headroom. Who should skip it: anyone who wants a trolling-motor-specific build like the Power Queen's.
Its Solar Score of 9.7/10 comes from performance 30/35, build 21/25, value 20/25, safety 9/10 and warranty 4/5: 84 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 12.8V 100Ah, 1280Wh |
|---|---|
| BMS | 100A, low-temp cutoff |
| Size | Group 24 |
| Expansion | Up to 48V, 20.48kWh |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. IP67, UN38.3, FCC, CE and ROHS stated, plus 100A BMS with low-temp cutoff, so safety scores 9 of 10. 5-year warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Battery safety. Charge with a charger and settings that match the stated chemistry, fuse the positive lead as the manual directs, cover terminals, keep within the stated temperature range, and never charge a damaged battery.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
SUPER EMPOWER 100Ah
A 12V 100Ah LiFePO4 Group 24 battery with 100A BMS, low-temp cutoff and a 5-year warranty.
Pros
- Group 24 drop-in size with M8 terminals at 21.6 pounds
- Low-temperature charging cutoff below 32°F, discharge to -4°F
- 1280Wh capacity with 4S4P expansion to 20.48kWh stated
- 5-year warranty stated
Cons
- Not suitable for engine starting or cranking
- Non-lithium chargers not recommended; needs a LiFePO4 charger or lithium-mode controller
- No extras in the box beyond the battery
- Charging disabled below 32°F limits winter solar input
Detailed Review
The listing states a 12V 100Ah LiFePO4 battery in Group 24 size with a 100A BMS, 1280Wh capacity, M8 terminals, a 6.49 by 10.24 by 8.98 inch size and a 21.6-pound weight. It lists a low-temperature cutoff that pauses charging below 32°F and stops discharge at -4°F, 4S4P expansion to 20.48kWh, and a 5-year warranty. It is not suitable for engine starting, and non-lithium chargers are not recommended.
Who it's for: RV and marine owners who want a drop-in Group 24 lithium with cold-weather cutoff. Who should skip it: anyone who needs cranking amps or winter charging below freezing.
Its Solar Score of 9.7/10 comes from performance 30/35, build 20/25, value 21/25, safety 6/10 and warranty 4/5: 81 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Battery | 100Ah, 12.8V |
|---|---|
| BMS | 100A |
| Size | Group 24 |
| Weight | 21.6 lb |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. 100A BMS with low-temperature cutoff stated, so safety scores 6 of 10. 5-year warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 4 of 5. See How We Pick.
Battery safety. Charge with a charger and settings that match the stated chemistry, fuse the positive lead as the manual directs, cover terminals, keep within the stated temperature range, and never charge a damaged battery.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
MARSENERGY 100Ah LiFePO4
A 100Ah LiFePO4 battery in Group 24 size with Grade A cells and 5-year warranty.
Pros
- 100Ah LiFePO4, Group 24 size
- Grade A cells with 100A BMS
- 4,500 to 15,000 deep cycles stated by DOD
- 5-year manufacturer warranty stated
Cons
- No Bluetooth stated
- No sealed rating stated
- Sleep mode needs activation per the listing
- 21 lb, light but still a full-size battery
Detailed Review
The listing states a 12V 100Ah LiFePO4 battery in Group 24 size with Grade A cells, a 100A BMS with multiple safety protections, 4,500 to 15,000 deep cycles depending on DOD, and BMS cutoffs at minus 4 F discharge and 32 F charge. It weighs 21 pounds and measures 10.16 by 8.46 by 6.54 inches. A 5-year manufacturer warranty is stated.
Who it's for: boaters upgrading a Group 24 lead-acid box. Who should skip it: anyone wanting Bluetooth, which the Litime has.
Its Solar Score of 9.6/10 comes from performance 30/35, build 21/25, value 20/25, safety 5/10 and warranty 3/5: 79 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 100Ah |
|---|---|
| Size | Group 24, 10.16 x 8.46 x 6.54 in |
| Cells | Grade A, 100A BMS |
| Weight | 21 lb |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. 100A BMS with multiple safety protections stated, so safety scores 5 of 10. 5 Year Manufacturer. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 3 of 5. See How We Pick.
Battery safety. Charge with a charger and settings that match the stated chemistry, fuse the positive lead as the manual directs, cover terminals, keep within the stated temperature range, and never charge a damaged battery.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
Newport 12V 50Ah AGM
A 12V 50Ah sealed AGM battery with marine terminals for light RV and marine loads.
Pros
- Sealed AGM, maintenance-free
- Marine terminals included
- 32 pounds, manageable size
- 1 year limited warranty with California-based support stated
Cons
- 50Ah is the smallest single-battery capacity here
- Marine-focused listing says little about RV house-bank use
- 1-year warranty is the shortest here
- No electronic protections are stated
Detailed Review
The listing states a 12V 50Ah AGM deep cycle battery with sealed lead-acid construction, marine terminals, 32 pounds and a 1 year limited warranty. It is aimed at trolling motors, kayaks and small boats, and the maker notes a California-based support team.
Who it's for: RV owners who want a small sealed AGM battery with marine terminals for light loads. Who should skip it: anyone who needs more than 50Ah or a longer stated warranty.
Its Solar Score of 9.5/10 comes from performance 26/35, build 20/25, value 20/25, safety 6/10 and warranty 2/5: 74 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 50Ah, 12V |
|---|---|
| Type | sealed AGM, marine terminals |
| Weight | 32 lb |
| Use | trolling motors, small boats |
Figures as published on the retailer listing, collected 20 October 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. Sealed AGM construction stated, so safety scores 6 of 10. 1 year limited warranty stated. It does not say everything a buyer needs, such as who pays return shipping, so warranty scores 2 of 5. See How We Pick.
Battery safety. Charge with a charger and settings that match the stated chemistry, fuse the positive lead as the manual directs, cover terminals, keep within the stated temperature range, and never charge a damaged battery.
This is general buying information, not professional advice. Follow each product manual and local rules, and see our Safety Disclaimer.
As an Amazon Associate I earn from qualifying purchases.
More picks to compare
VMAXTANKS V35-857 12 Volt 35AH AGM MarineCheck on Amazon
GOKWH 12V 100Ah LiFePO4 Marine BatteryCheck on Amazon
Numbers side by side
| Battery | Solar Score | Capacity | Type | BMS | Warranty | Amazon |
|---|---|---|---|---|---|---|
| Power Queen 12V 100Ah LiFePO4 | 9.7/10 | 12V 100Ah, 1280Wh | LiFePO4, Group 31 | 100A, low-temp protection | 5 years | View on Amazon |
| HumsiENK 12V 100Ah LiFePO4 | 9.7/10 | 12.8V 100Ah, 1280Wh | LiFePO4, Group 24 | 100A, low-temp cutoff | 5 years | View on Amazon |
| SUPER EMPOWER 12V 100Ah | 9.7/10 | 12V 100Ah | LiFePO4, Group 24 | 100A | Not stated | |
| MARSENERGY 12V 100Ah LiFePO4 | 9.6/10 | 12V 100Ah | LiFePO4, Group 24 | Not stated | Not stated | |
| Newport Vessels 12V 50Ah AGM | 9.5/10 | 12V 50Ah | AGM | Not stated | Not stated |
Specifications are manufacturer rated as listed, collected 20 October 2026.
Where the points went
The Solar Score weighs performance, build, value, safety and warranty. For a deep cycle battery, safety means the BMS protections, low-temperature behavior, marine compliance and certifications the listing actually states; a listing that states none of these scores zero on that line. Two of the five listings state a warranty term, both 5-year terms. How we pick explains the weights.
| Product | Solar Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| Power Queen 12V 100Ah LiFePO4 | 9.7 | 32 | 21 | 21 | 8 | 4 |
| HumsiENK 12V 100Ah LiFePO4 | 9.7 | 30 | 21 | 20 | 9 | 4 |
Scores run from 9.2 to 9.8: each product’s point total is placed on that range, so more points always means a higher score.
How to choose the best deep cycle battery for electric trolling motor use
Start from amp-hours, then chemistry
Four of the five picks state 100Ah; the Newport Vessels states 50Ah. The lithium picks are all LiFePO4, while the Newport Vessels is AGM. The Power Queen listing claims its battery is up to 64 percent lighter than a 12V 100Ah lead-acid, and the HumsiENK listing claims more than 30 percent less space and weight than equivalent lead-acid. See every deep cycle and RV battery guide for the wider category.
Read the BMS and protection lines
The BMS is the battery’s guard: it decides cutoff currents and temperature limits. The two leaders both list a 100A BMS with stated low-temperature behavior, while the three thin listings state far less, which is why they score lower on safety.
| Battery | BMS | Low-temperature behavior | Certifications |
|---|---|---|---|
| Power Queen 12V 100Ah LiFePO4 | 100A | Stops charging below 32F, stops discharging below -4F | ABYC E-13, IP65 |
| HumsiENK 12V 100Ah LiFePO4 | 100A | Operates -4F to 158F, shuts down below -4F | IP67, UN38.3, FCC, CE, ROHS |
| SUPER EMPOWER 12V 100Ah | 100A | Not stated | Not stated |
| MARSENERGY 12V 100Ah LiFePO4 | Not stated | Not stated | Not stated |
| Newport Vessels 12V 50Ah AGM | Not stated | Not stated | Not stated |
Check series and parallel limits before you plan a bank
Two batteries beat one when the day runs long, but only within the maker’s stated limits. The Power Queen lists 4P4S expansion to 51.2V and 400Ah, and the HumsiENK lists 4 in series, 4 in parallel, or a combination, up to 48V and 20.48kWh. The other listings state no expansion limits. See our 12V vs 24V battery for trolling motor comparison when you plan a multi-battery bank.
Weigh weight and group size against your boat
Group size decides whether the battery drops into your existing box. The Power Queen is Group 31 at 22.16 pounds and 6.77 by 13 by 8.43 inches, and the HumsiENK is Group 24 at 19.73 pounds. Our LiFePO4 vs AGM battery for trolling motor guide covers the chemistry tradeoff in more detail.
Sizing Notes
- Match amp-hours and voltage to the motor: the Power Queen lists 12V 100Ah with 1280Wh and support for 12V-36V motors up to 120lb thrust.
- Use the BMS current figure against the motor’s draw: the Power Queen and the HumsiENK both list a 100A BMS.
- For series and parallel banks, follow the maker’s expansion limits: the HumsiENK lists up to 48V and 20.48kWh, and the Power Queen lists 4P4S to 51.2V 400Ah.
- Use the cable gauge and fuses as the manual gives; mounting and any tie to the boat’s electrical system are jobs for a qualified installer.
FAQ: power away from the grid
How many amp-hours does a trolling motor need?
None of the listings states a run time for a specific motor, so compare stated capacity: 100Ah on four of the five picks and 50Ah on the Newport Vessels. Match the stated amp-hours to your motor’s draw and the length of your trips.
What does low-temperature protection do on these batteries?
The Power Queen stops charging below 32F and stops discharging below -4F. The HumsiENK operates from -4F to 158F and shuts down below -4F. The other listings state no low-temperature behavior.
Can I wire these batteries in series or parallel?
The Power Queen lists 4P4S expansion to 51.2V and 400Ah, and the HumsiENK lists 4 in series, 4 in parallel, or a combination of the two, up to 48V and 20.48kWh. The other listings state no expansion limits.
Which listings state certifications?
The Power Queen states ABYC E-13 compliance and IP65. The HumsiENK states IP67 plus UN38.3, FCC, CE and ROHS. The other listings state no certifications.
Which listings state a warranty term?
The Power Queen states a 5-year warranty, and the HumsiENK is covered by a 5-year warranty. The other listings state no warranty term.
Related solar guides
See every Deep Cycle and RV Batteries guide and all Batteries and Charging guides. Also see our best deep cycle battery for a boat. Also see our best 12V battery for electric trolling motor. Also see our best battery charger for trolling motor. Also see our best deep cycle battery for ice fishing.
