Best Budget Trolling Motor Battery Under $379.99

If you're looking for a reliable, long-lasting, and budget-friendly trolling motor battery, LiFePO4 (Lithium Iron Phosphate) is the best choice. Unlike lead-acid batteries, LiFePO4 offers lighter weight, faster charging, and 5–10x longer lifespan—perfect for kayak fishing, small boats, and electric trolling motors.
But with so many options under $379.99, which 12V 100Ah LiFePO4 battery is the best? Let’s compare the top contenders and reveal the best budget pick—including a surprise 24V 100Ah upgrade!
🔋 Top 5 Budget LiFePO4 Trolling Motor Batteries (12V 100Ah)
We compared the most popular 12V 100Ah LiFePO4 batteries under $380 based on:
✔ Price (Best value under budget)
✔ Cycle Life (How long it lasts)
✔ BMS Protection (Safety features)
✔ Weight & Size (Portability matters!)
✔ Warranty & Reviews (Real-world reliability)
Brand/Model | Price | Cycle Life | BMS Protection | Weight | Warranty | Best For |
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Ampere Time 100Ah | ~$320 | 4,000+ cycles | Overcharge, Short-Circuit | 24 lbs | 5-Year | Best overall balance |
OKMO 100Ah | ~$189 | 3,000+ cycles | Basic BMS | 22 lbs | 3-Year | Budget pick |
Weize 100Ah | ~$340 | 2,500+ cycles | Good BMS | 25 lbs | 2-Year | Decent mid-range |
LiTime (Lifepo4) 100Ah | ~$330 | 4,000+ cycles | Advanced BMS | 23 lbs | 5-Year | High durability |
Renogy 100Ah | ~$370 | 2,000+ cycles | Reliable BMS | 26 lbs | 2-Year | Brand reputation |

🏆 Winner: Ampere Time 100Ah (Best Value Under $380)
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Why? Best cycle life (4,000+ cycles), strong BMS protection, and 5-year warranty—unbeatable for the price.
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Best for: Anglers who want longevity & reliability without overspending.
💰 Budget Pick: OKMO 100Ah (Cheapest Reliable Option)
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Why? Under $300, decent 15,000+ cycles, and lightweight.
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Best for: Casual fishermen who need a low-cost backup battery.
⚡ Why a 24V 100Ah LiFePO4 Battery is the REAL Best Choice?
While 12V 100Ah is great for small boats, 24V systems provide more power & efficiency for larger trolling motors.
🚤 OKMO 24V 100Ah LiFePO4 Battery (Best Upgrade Under $380)
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Price: ~$360 (often on sale)
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Why Better?
✅ Double the voltage (24V) = More thrust & runtime
✅ Same compact size & weight (~50 lbs)
✅ Built-in BMS for safety
✅ Works with 24V/55lb+ trolling motors -
Best for: Anglers who want stronger performance without buying two 12V batteries.
🎣 Final Verdict: Which Should You Buy?
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Best Budget 12V: Ampere Time 100Ah (Best warranty & lifespan)
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Cheapest Reliable 12V: Chins 100Ah (Under $300)
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Best Performance Upgrade: OKMO 24V 100Ah (More power for bigger boats!)
Pro Tip: If your trolling motor supports 24V, skip the dual 12V setup and grab the OKMO 24V 100Ah—it’s the best long-term investment under $380!
🔗 Where to Buy?
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Ampere Time 100Ah (Amazon)
Got questions? Email me : support@okmotech.com 🎣⚡