Mach 1 12.8V 50Ah LiFePO4 Deep Cycle Battery

High-capacity, long-lasting power for serious off-grid and marine applications.

This Mach 1 12.8V 50Ah LiFePO4 battery delivers reliable, consistent power for trolling motors, fish finders, ham radio equipment, and portable power systems. Built with lithium iron phosphate chemistry, it offers twice the usable power of a comparable SLA battery with faster charging and significantly longer cycle life.

Key Features

• High-performance LiFePO4 chemistry — twice the usable power of a comparable SLA battery
• Ultra-long lifespan — 8-10x longer cycle life than lead acid batteries
• Lightweight, compact design — easy to transport and install for mobile or off-grid setups
• Drop-in SLA replacement — no maintenance, zero memory effect
• Built-in BMS protection — guards against overcharge, over-discharge, and short-circuit
• Eco-friendly — no toxic chemicals, higher efficiency than traditional lead acid batteries

Ideal For

Trolling motors, fish finders, ham radio equipment, portable power systems, and other off-grid or marine applications.

Compatibility

Drop-in replacement for most 12V SLA batteries, no modification required.

Specifications

What's in the Box

• 1 x Mach 1 12.8V 50Ah LiFePO4 Deep Cycle Battery

FAQ

1. Can this replace my existing 12V SLA battery directly?
   Yes, it's designed as a drop-in replacement for most 12V SLA systems, with no maintenance and no memory effect.
2. How does this compare to a lead acid battery?
   It delivers twice the usable power with 8-10 times longer cycle life than a comparable SLA battery.
3. Does it have built-in protection circuitry?
   Yes, it includes a BMS that protects against overcharge, over-discharge, and short-circuit.
4. What applications is this battery best suited for?
   Trolling motors, fish finders, ham radio equipment, and other portable or off-grid power systems.

You May Also Need

Need a different capacity? See the 12.8V 20Ah LiFePO4 Battery, or browse the full range in 12V LiFePO4 Batteries and Deep Cycle Batteries for RV & Solar.

Why Buy from Mach 1 Lithium

Mach 1 Lithium builds LiFePO4 batteries engineered for real-world reliability — longer cycle life, built-in protection, and a true drop-in fit for the SLA batteries you're replacing.