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A trolling motor that quits halfway across the lake turns a fishing trip into a long row back to the ramp, and the lifepo4 vs lead acid trolling motor battery choice decides how much usable energy sits in the battery box. We compared 3 listings on what each one states: capacity, weight, protections, temperature limits, cycle claims and warranty terms. The lithium batteries state the same 12.8V 100Ah figure with a 100A BMS, while the lead acid side of this group is a battery meter rather than a battery, so the chemistry comparison rests on the lithium pair and the meter earns its place as a way to watch a lead acid bank.
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Lifepo4 vs lead acid trolling motor battery: side by side
| Battery | Solar Score | Chemistry | Capacity | Weight | Warranty | Amazon |
|---|---|---|---|---|---|---|
| SUPER EMPOWER 12V 100Ah | 9.7/10 | LiFePO4 | 12.8V, 100Ah, 1280Wh | 20.94 lb | 5 years | View on Amazon |
| Kingboss 12V 100Ah | 9.6/10 | LiFePO4 | 12.8V, 100Ah, 1280Wh | 24 lb | Not stated | View on Amazon |
| Frienda Battery Meter | 9.2/10 | Meter, not a battery | No capacity stated | Not stated | Not stated | View on Amazon |
All numbers here are manufacturer claims from the listings, not our measurements (12 November 2026).
Weight and size
Weight is the clearest gap between lithium and lead acid, but this group states no lead acid battery weight at all, because the lead acid side is a meter rather than a battery. The SUPER EMPOWER is listed at 20.94 pounds in a Group 31 size, and the Kingboss at 24 pounds in a Group 31 size. The Kingboss listing states it is 60% lighter than comparable lead acid batteries, though no lead acid battery in this group states a weight to check that claim against. Case sizes are close: the SUPER EMPOWER bullets give 13 by 8.4 by 6.8 inches while its spec table gives 6.77 by 13.18 by 9.05 inches, and the Kingboss gives 12.9 by 6.69 by 8.5 inches.
Protection and monitoring
Both lithium listings state a 100A battery management system. The SUPER EMPOWER lists protection against overcharge, over-discharge, overcurrent, short circuit and temperature extremes, with a low temperature cutoff that pauses charging below 32°F and stops discharge at -4°F. The Kingboss lists protection against overcharging, over-discharging, overcurrent, overheating and short circuits, with low temperature protection and a charging range of 0 to 45°C and a discharge range of -20 to 60°C. The Frienda meter adds the monitoring the batteries lack: its display cycles between the voltage reading and the battery percentage, and its alarm flashes when capacity is critically low, which helps prevent a complete discharge. The meter works with lead acid, lithium-ion and AGM battery types, so it can watch either side of this comparison.
Cold weather
Cold charging is where the lithium listings differ most. The SUPER EMPOWER states its cutoff figures plainly: charging pauses below 0°C (32°F) and discharge stops at -20°C (-4°F), resuming above 5°C (41°F). The Kingboss states a charging range of 0 to 45°C and a discharge range of -20 to 60°C without naming a cutoff. The meter states no temperature range at all, so it adds nothing to a cold weather comparison.
What the listings leave unclear
The SUPER EMPOWER title says 2 Pack while the spec table lists 1 item, so it is unclear whether the listing sells a pair or a single battery. Its bullets give 13 by 8.4 by 6.8 inches while the spec table gives 6.77 by 13.18 by 9.05 inches, and its expansion line states 51.2V 1200Ah for a 4S4P bank of 100Ah batteries, which does not match the 100Ah figure for each battery. The Kingboss title claims 15000+ deep cycles while its bullets give a range of 4000 to 15000 deep cycles, with 6000 at 100% DOD, 8000 at 80% DOD and 15000 at 60% DOD, so compare on the figure that matches how far the battery is discharged. The Frienda listing is a meter, not a battery, so it states no capacity, weight or cycle figure. None of the 3 listings states a UL listing.
The kits we chose
| # | Product | Solar Score | Buy |
|---|---|---|---|
| 1 |  SUPER EMPOWER 12V 100Ah | 9.7/10 | Buy on Amazon |
| 2 |  Kingboss 12V 100Ah | 9.6/10 | Buy on Amazon |
| 3 |  Frienda Battery Meter | 9.2/10 | Buy on Amazon |
SUPER EMPOWER 12V 100Ah
A Group 31 LiFePO4 battery with a 100A BMS, low temperature cutoff figures and a 5-year warranty.
Pros
- Charging pauses below 32°F and discharge stops at -4°F, with figures stated
- 100A BMS with protection against overcharge, over-discharge, overcurrent and short circuit
- 20.94 pounds in a Group 31 size with M8 terminals
- 5-year warranty stated
Cons
- Expansion line states 51.2V 1200Ah for a 4S4P bank of 100Ah batteries
- Needs a LiFePO4 charger at 14.4 to 14.6V; non-lithium chargers are not recommended
Detailed Review
The listing states a 12.8V 100Ah LiFePO4 battery in Group 31 size at 20.94 pounds, with 1280Wh capacity, a 100A BMS and a low temperature cutoff that pauses charging below 0°C (32°F) and stops discharge at -20°C (-4°F), resuming above 5°C (41°F). It lists M8 terminals, expansion to 4S4P with up to 20.48kWh, and a 5-year warranty. The title says 2 Pack while the spec table lists 1 item, the bullets give 13 by 8.4 by 6.8 inches while the spec table gives 6.77 by 13.18 by 9.05 inches, and the expansion line states 51.2V 1200Ah for a 4S4P bank of 100Ah batteries, which does not match the 100Ah figure for each battery.
Who it's for: trolling motor owners who want a Group 31 lithium battery with stated cold cutoff figures and the longest warranty here. Who should skip it: anyone whose charger has no lithium setting, and anyone who needs the pack count settled before ordering.
Its Solar Score of 9.7/10 comes from performance 30/35, build 21/25, value 20/25, safety 8/10 and warranty 3/5: 82 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 12.8V, 100Ah, 1280Wh |
|---|---|
| Size | Group 31, 13 x 8.4 x 6.8 in |
| Weight | 20.94 lb |
| BMS | 100A, low temp cutoff |
Figures as published on the retailer listing, collected 12 November 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. 100A BMS with overcharge, over-discharge, overcurrent and short circuit protection, low temperature cutoff 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 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.
Kingboss 12V 100Ah
A Group 31 LiFePO4 battery with a 100A BMS, low temperature protection and a 10-year lifetime claim.
Pros
- BMS protection against overcharge, over-discharge, overcurrent, overheating and short circuits
- 24 pounds in a Group 31 size, listed as 60% lighter than comparable lead-acid batteries
- Cycle figures stated at 6000 at 100% DOD, 8000 at 80% DOD and 15000 at 60% DOD
- Charging range of 0 to 45°C and discharge range of -20 to 60°C stated
Cons
- No warranty term is stated
- Cycle figures range from 4000 to 15000 depending on the line you read
- 100A BMS limits continuous draw
- Charging needs a 14.6V 20A lithium charger for the stated 5-hour charge
Detailed Review
The listing states a 12.8V 100Ah LiFePO4 battery in Group 31 size at 24 pounds, with 1280Wh capacity, a 100A BMS and low temperature protection, a charging range of 0 to 45°C and a discharge range of -20 to 60°C. It recommends a 14.6V 20A charger for a 5-hour charge, states expansion to 4S4P for up to 400Ah or 51.2V, and claims a 10-year lifetime. The title claims 15000+ deep cycles while the bullets give a range of 4000 to 15000 deep cycles, with 6000 at 100% DOD, 8000 at 80% DOD and 15000 at 60% DOD, so compare on the figure that matches how far the battery is discharged.
Who it's for: trolling motor owners who want a Group 31 lithium battery with stated cycle figures at each depth of discharge. Who should skip it: anyone who wants a warranty term stated in the listing.
Its Solar Score of 9.6/10 comes from performance 29/35, build 21/25, value 21/25, safety 7/10 and warranty 0/5: 78 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Capacity | 12.8V, 100Ah, 1280Wh |
|---|---|
| Size | Group 31, 12.9 x 6.69 x 8.5 in |
| Weight | 24 lb |
| BMS | 100A, low temp protection |
Figures as published on the retailer listing, collected 12 November 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. Built-in 100A BMS with overcharge, over-discharge, overcurrent, overheating and short circuit protection, low temperature protection stated, so safety scores 7 of 10. No warranty term, so warranty scores zero. 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.
Frienda Battery Meter
A battery meter with a display and low battery alarm that reads voltage and battery percentage on 12V to 84V lead acid and lithium systems.
Pros
- Display cycles between voltage reading and battery percentage
- Low battery alarm flashes when capacity is critically low
- Works with 12V, 24V, 36V, 48V, 60V, 72V and 84V systems
- Works with lead-acid, lithium-ion and AGM battery types
Cons
- Not a battery: it stores no energy and cannot power a trolling motor
- No capacity, weight or cycle figure applies to it
- No warranty term is stated
- Needs the correct battery code set in the settings for an accurate reading
Detailed Review
This listing is a battery meter, not a battery: it stores no energy and cannot power a trolling motor. It covers the lead acid side of this comparison because it works with lead acid systems, and it also works with lithium-ion and AGM types. The listing states a display that cycles between the voltage reading and the battery percentage, a low battery alarm that flashes when capacity is critically low, compatibility with 12V, 24V, 36V, 48V, 60V, 72V and 84V systems, and 1 meter in the package. It states no capacity, weight, cycle figure or warranty term, because it is a monitor rather than a battery.
Who it's for: trolling motor owners who want to watch voltage and percentage on a lead acid bank, with an alarm before the bank runs flat. Who should skip it: anyone shopping for a battery itself, since this listing stores no energy.
Its Solar Score of 9.2/10 comes from performance 9/35, build 12/25, value 12/25, safety 0/10 and warranty 0/5: 33 of 100 points, placed on our 9.2 to 9.8 scale.
Key Specifications
| Type | Battery meter with display |
|---|---|
| Systems | 12V to 84V |
| Battery types | Lead-acid, lithium-ion, AGM |
| Alarm | Low battery alarm stated |
Figures as published on the retailer listing, collected 12 November 2026. Performance figures are manufacturer rated.
Safety and Warranty
What this listing states. No battery management system, protection or listing is stated, so safety scores zero. No warranty term, so warranty scores zero. 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.
Where the points went
The Solar Score weighs performance, build, value, safety and warranty. For trolling motor batteries, safety means a battery management system, cold charge protection or another protection the listing names; both lithium batteries state these, and the meter states none. The SUPER EMPOWER states a 5-year warranty, while the Kingboss and the Frienda state no warranty term. How we pick explains the weights.
| Product | Solar Score | Perf. /35 | Build /25 | Value /25 | Safety /10 | Warranty /5 |
|---|---|---|---|---|---|---|
| SUPER EMPOWER 12V 100Ah | 9.7 | 30 | 21 | 20 | 8 | 3 |
| Kingboss 12V 100Ah | 9.6 | 29 | 21 | 21 | 7 | 0 |
| Frienda Battery Meter | 9.2 | 9 | 12 | 12 | 0 | 0 |
Scores start at 9.2 for the lowest totals and top out at 9.8. In between, a kit’s position follows its weighted points one to one in order.
How to choose the best lifepo4 vs lead acid trolling motor battery
Choose LiFePO4 if weight matters, if the charger, solar controller and converter have a lithium setting. The SUPER EMPOWER suits a Group 31 tray and cold weather owners because it states its cutoff figures and a 5-year warranty; the Kingboss suits owners who want the stated cycle figures at each depth of discharge. Keep a lead acid battery if the charging equipment is set for lead acid and the owner wants to keep it, and add the Frienda meter to watch voltage and percentage on that bank.
Match the charger to the chemistry
The SUPER EMPOWER needs a 12V LiFePO4 charger at 14.4 to 14.6V, and the listing states non-lithium chargers are not recommended. The Kingboss recommends a 14.6V 20A charger for a 5-hour charge. A solar controller set to lithium mode works for the SUPER EMPOWER, per its listing. See the lifepo4 vs lead acid battery for RV comparison and the lithium vs lead acid charger guide before switching chemistry.
Check the tray and the weight
Both lithium batteries are Group 31, so either fits a Group 31 tray, but check the inches: the SUPER EMPOWER bullets give 13 by 8.4 by 6.8 inches and the Kingboss gives 12.9 by 6.69 by 8.5 inches. At 20.94 pounds the SUPER EMPOWER is the lighter of the pair, and the Kingboss is listed at 24 pounds. The M8 terminals on the SUPER EMPOWER fit standard battery boxes without modifications, per the listing.
Watch the bank with a meter
A trolling motor bank gives no warning before it quits, and the Frienda meter is the only listing here that watches it. Its display cycles between the voltage reading and the battery percentage, and its alarm flashes when capacity is critically low. It works with 12V, 24V, 36V, 48V, 60V, 72V and 84V systems and with lead acid, lithium-ion and AGM battery types, so it fits a 12V trolling motor bank or a 24V bank. Set the correct battery code in the settings for an accurate reading. See the best battery monitor for solar system guide for more monitor options.
| If you need | Look at |
|---|---|
| Longest stated warranty | SUPER EMPOWER 12V 100Ah, 5 years |
| Lowest stated weight | SUPER EMPOWER 12V 100Ah, 20.94 lb |
| Voltage and percentage display | Frienda Battery Meter |
| Cold cutoff figures | SUPER EMPOWER 12V 100Ah |
Sizing Notes
- Match the battery voltage and chemistry to every charging source: converter, solar controller and any DC to DC charger, and use a 12V LiFePO4 charger at 14.4 to 14.6V for the SUPER EMPOWER.
- Check the tray: both lithium batteries are Group 31, at 13 by 8.4 by 6.8 inches for the SUPER EMPOWER and 12.9 by 6.69 by 8.5 inches for the Kingboss.
- Keep the total draw under the 100A BMS limit on the lithium batteries.
- Set the correct battery code on the Frienda meter for the bank it watches, from 12V to 84V.
- Fuse the positive lead as the manual directs, and leave any work on the boat wiring to a qualified technician.
FAQ: power away from the grid
Is LiFePO4 lighter than lead acid for a trolling motor?
The lithium batteries here are listed at 20.94 and 24 pounds, and the Kingboss listing states its battery is 60% lighter than comparable lead acid batteries. This group states no lead acid battery weight to compare against, because the lead acid side is a meter.
Can a LiFePO4 battery charge below freezing?
Check the listing. The SUPER EMPOWER states charging pauses below 0°C (32°F), and the Kingboss states a charging range of 0 to 45°C. Neither states charging below those figures.
Which battery here has the longest warranty?
The SUPER EMPOWER at 5 years. The Kingboss and the Frienda state no warranty term.
Can the Frienda meter work with a lead acid trolling motor battery?
Yes. It works with lead acid, lithium-ion and AGM battery types on 12V, 24V, 36V, 48V, 60V, 72V and 84V systems, and its alarm flashes when capacity is critically low.
Do I need a different charger for LiFePO4?
The charger and solar controller need a lithium or LiFePO4 setting. The SUPER EMPOWER listing states a 12V LiFePO4 charger at 14.4 to 14.6V and that non-lithium chargers are not recommended.
Related solar guides
See every Deep Cycle and RV Batteries guide and all Batteries and Charging guides.
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