Lead-Acid, AGM & LiFePO4 Comparison · United States · all prices

No maker publishes sales figures. These lists are built from best-seller and most-reviewed proxies (retailer rankings, review volume, awards) over the last five years — the source is shown under each entry.

1. Dakota Lithium 12V 100Ah LiFePO4 Deep Cycle Marine — $799
   11-year warranty with 2,000+ deep cycles; weighs only 31.9 lbs, half the weight of traditional lead-acid.
2. Battle Born BB10012 100Ah 12V LiFePO4 Deep Cycle — $875
   Made in USA with cylindrical cells; proprietary BMS protects against thermal runaway and high-draw loads.
3. Relion RB100 12V 100Ah Deep Cycle Lithium — $899
   Engineered for marine trolling motors; constant voltage curve maintains 100% motor thrust down to empty.
4. Ionic Lithium 12V 100Ah Bluetooth Smart Deep Cycle — $699
   Integrated Bluetooth app displays exact amp-hours remaining, cell balancing, and temperature.
5. LiTime 12V 100Ah TM Trolling Motor Lithium — $359
   Custom low-temperature cutoff BMS with moisture-proof coating; unbeatable value for tournament rigs.
6. Monster Marine 12V 100Ah Tournament Grade LiFePO4 — $649
   Automotive Grade A prismatic cells with IP67 waterproof sealed casing; vibration-proof construction.
7. Epoch Batteries 12V 100Ah Heated Bluetooth Marine LiFePO4 — $599
   Built-in automatic heating pads allow sub-zero charging; Victron NMEA 2000 communication port.
8. GoldenMate 12V 100Ah Marine Grade LiFePO4 Battery — $389
   Heavy-duty 100A continuous discharge BMS supports instant max-thrust surges without tripping.
9. SOK Battery 12V 100Ah Metal Case Marine LiFePO4 — $429
   Heavy sheet-metal enclosure with serviceable bolted terminal connections; repairable architecture.
10. ECO-WORTHY 12V 100Ah LiFePO4 Deep Cycle Marine — $299
    Lightweight 22-pound construction with 3000+ cycles; popular starter lithium for weekend boats.