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World's Smallest 24V 100Ah Group 31 LiFePO4 Battery — engineered for 70–100 lb trolling motors.
Pro-Level Trolling Motor Power: Smooth thrust and dependable all-day power keep 70–100 lb trolling motors running strong from the first cast to the last.
More Power in Less Space: A full 2560Wh packed into a compact Group 31 footprint with industry-leading 187.9 Wh/L energy density—giving you longer runtime without sacrificing bow compartment space.
Optimized Group 31 Marine Fit: Designed around the widely used Group 31 marine format, with overall dimensions of 13.11″ × 6.93″ × 9.45″. Fits BCI Group 31 battery trays, while standard Group 31 battery boxes are not compatible due to the high-density design—installation clearance should be verified before use.
Bluetooth 5.0 Monitoring: See live SOC, voltage, current, and battery status directly on your phone via the LiTime App—clear, real-time visibility for confident power management on the water.
EV-Grade Cells & Smart BMS Protection: Built with EV-grade LiFePO4 cells rated for 6,000+ cycles at 100% DOD and a self-developed LiTime 5.0 BMS providing 20+ protections for safe, stable, long-term marine performance.
Cold-Weather Protection: Features low-temperature cut-off protection to help safeguard the battery during early launches, cold mornings, and seasonal fishing conditions.
Marine-Grade Durability & Compliance: IP65 waterproof and dustproof construction, compliant with ABYC E-13 standards and certified to CE, RoHS, UN38.3, and FCC for reliable marine use.
Versatile Marine Applications: Also supports electric outboard motors and onboard electronics—delivering reliable power for both movement and comfort on the water.
Flexible Charging: Supports LiFePO4 chargers, solar systems, and generators, with up to 1C charging.
Reliable Service & Warranty: Backed by a 5-year warranty, with fast delivery, 24/7 online support, and lifetime technical assistance.
Purpose-Built Group 31 Power for 24V Trolling Motors
This group 31 marine battery is engineered specifically for 70–100 lb thrust trolling motors. Its high-density design provides extended runtime and stable 24V output without expanding your bow compartment—giving serious anglers the power, control, and fit modern marine setups demand.
More Power. No Extra Space.
With an impressive 187.9 Wh/L energy density, this trolling motor marine battery delivers more usable energy within a widely used Group 31 footprint. The result is longer time on the water and sustained trolling performance—without sacrificing valuable storage space in your boat.
Built to Fit. Built to Upgrade.
Designed around the popular Group 31 marine format, this battery fits most Group 31 battery trays commonly found in bass boats and fishing vessels. Its compact, high-density construction allows for a clean lithium upgrade while preserving your existing layout.
Smart Monitoring, Total Control
Integrated Bluetooth 5.0 connectivity allows you to monitor state of charge, voltage, current, and system status directly through the LiTime App. Real-time visibility keeps you informed and in control while you focus on the water ahead.
A Professional 24V Trolling Motor Battery
Built for 70–100 lb thrust 24V trolling motors, this battery delivers stable power across real on-water loads. With strong surge capability to handle high startup currents from GPS-enabled motors, it maintains smooth thrust response without voltage sag or unwanted shutdowns.
Ready for Early Mornings and Cold Seasons
Low-temperature charging protection safeguards the group 31 LiFePO4 marine battery during cold launches and cooler fishing seasons, supporting safe and dependable operation across changing weather conditions.
Engineered for Long-Term Reliability
Powered by EV-grade LiFePO4 cells rated for 6,000+ cycles at 100% depth of discharge, this group 31 deey cycle marine battery is built for durability. LiTime's self-developed 5.0 BMS provides 20+ system protections to ensure stable, secure marine performance season after season.
Power for More on the Water
While designed for 24V trolling motor systems, this group 31 marine battery also supports electric outboard motors and onboard electronics—delivering reliable power for both movement and comfort on the water.
Expand Your 24V Marine System
Built to grow with your boat. Expand your 24V system for longer runs and greater onboard demands—without changing your layout.
Dependable Power. Dedicated Support.
Every LiTime group31 marine battery undergoes rigorous testing and comes with trusted quality assurance. We offer professional technical support, a flexible return policy, a detailed user guide, and 24/7 online service for your peace of mind.
Trusted Power for Every Journey
This battery is designed for 24V trolling motor systems rated between 70 lb and 100 lb thrust, including popular models from Minn Kota, MotorGuide, and similar brands.
It delivers stable voltage and consistent power, helping maintain smooth thrust control and reliable performance throughout long fishing trips.
This battery measures 13.11″ × 6.93″ × 9.45″ (L × W × H) and features a Group 31–style footprint. It fits most Group 31 battery trays, but it is not a standard BCI Group 31 battery and may not fit enclosed Group 31 battery boxes. Please verify installation clearance before installation.
No. This battery is designed for deep-cycle marine applications, such as trolling motors, electric outboards, and onboard electronics.
It is not intended for engine starting or cranking applications. Recommended marine starting batteries.
Yes. The battery supports up to 4P2S configuration, allowing you to build a larger battery bank with up to 20.48 kWh of total energy.
This is useful for advanced marine setups powering trolling motors, electronics, lighting, and other onboard equipment.
Yes. Before first use or after manual shutdown, the battery should be activated by connecting a compatible charger.
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