ePropulsion Spirit 2 Battery Ultra - 48V (1539 Wh)

The ePropulsion Spirit 2 Battery Ultra is a premium 48V lithium battery engineered to deliver maximum performance, portability, and runtime for the Spirit 2 electric outboard. Built with advanced Nickel Manganese Cobalt (NMC) cell technology, it offers exceptional energy density in a compact, removable package — ideal for tenders, dinghies, daysailers, and lightweight cruising.

With a rated capacity of 1,539 Wh (32 Ah) and a nominal voltage of 48.1 V, it provides substantial runtime while staying easy to transport, swap, or store between outings.

Key Features

• 1,539 Wh of energy — extended range in a compact, manageable form.
• Tool-free quick-connect — fast install and removal between outings.
• Built-in state-of-charge indicator — check battery level at a glance.
• USB-C output — charge phones, tablets, or onboard electronics directly from the pack.
• Advanced BMS — protection against over-charge, over-discharge, overheating, and short circuits.
• Spirit 2 specific — tuned voltage and performance profile for smooth, efficient propulsion.

Specifications

• Nominal Voltage: 48.1 V
• Rated Capacity: 32 Ah
• Energy: 1,539 Wh
• Chemistry: lithium-ion (NMC)
• Integrated BMS protection
• Built-in state-of-charge indicator
• USB-C output port
• Compatible model: ePropulsion Spirit 2

Warranty

The Spirit 2 Battery Ultra is covered by ePropulsion’s 24-month limited warranty (from delivery to the first end customer) against defects in materials and workmanship under normal recreational use with proper installation and maintenance — free repair or replacement of defective parts. Commercial or professional use is not covered by the limited warranty (your local statutory warranty applies instead), and claims should be made within 6 months of discovering an issue.

Blue Marine is an authorized ePropulsion dealer — ships brand-new with ePropulsion’s 24-month limited warranty, free shipping, and local pickup available.