Kmax Battery

Updated October 6, 2026

Overview

Product sourcing insights & recommendations

23 来源

The kMax battery by ePropulsion is a specialized 48V power solution that has rapidly become a benchmark for the high-performance electric kayak market. Formally unveiled at ICAST 2026, where it won "Best of Show" in the Energy category Marinebusinessnews Epropulsion, it is purpose-built to power the kMax 2200 motor, a 2.2kW system designed for large fishing kayaks.

Product Insights

* Modular Performance: The kMax is a 1,024Wh (20Ah) Lithium Iron Phosphate (LiFePO4) battery. Its most distinctive feature is a stackable, modular design allowing up to 4 units to be connected in parallel, providing over 4kWh of total energy Epropulsion Instagram.

* Lightweight & Durable: Weighing 24.3 lbs (11 kg) per unit with an IP67 waterproof rating, it addresses the core needs of portability and environmental resilience in small watercraft Epropulsion Facebook.

* Smart Integration: It uses a single-cable "One-plug Connector" that handles both high-current power and CAN communication, enabling real-time diagnostics and range monitoring via a mobile app Epropulsion Tbnation.

Market Trends & Sentiment

* "Pro-sumer" Shift: The kMax reflects a trend toward professional-grade power in personal watercraft. Consumers are increasingly seeking motors equivalent to 3HP or higher, necessitating higher voltage systems (48V) over traditional 12V/24V setups Facebook Tbnation.

* Ecosystem Locking vs. Flexibility: A significant point of market discussion is the proprietary connection. While ePropulsion’s integrated system offers superior safety and data tracking, consumers are actively debating the loss of flexibility, specifically the inability to easily use cheaper third-party 48V lithium batteries Youtube Instagram.

* High Demand for Fast Charging: Market feedback highlights the 2-hour full charge time as a critical competitive advantage, catering to tournament anglers who need rapid turnaround between fishing sessions Epropulsion.

Market Outlook

The kMax is currently slated for a Spring 2027 release Epropulsion. While official B2B wholesale listings are limited during the pre-release phase, the broader smart battery and lithium-ion markets are projected to grow at CAGRs of 10.6%–12.8% through 2026–2033 Maximizemarketresearch Grandviewresearch, driven by the transition to electric propulsion in recreational boating.

Based on this market profile, you might want to:

Sources & References

23 sources cited · Verified industry data & reports

kMax Battery

ePropulsion

Specs ; Rated Voltage, 51.2 V ; Battery Life, 2,800 cycles at 80% SoH ; Weight, 24.3 lbs (11 kg) ; Dimensions (L x W x H), 13.8 x 7.2 x 7.6 in (350 x 183 x 192 mm).

ePropulsion kMax 2200 First Look: New 2.2kW Kayak Motor

Tiny Boat Nation

The kMax battery is marketed as a 48V pack, while its official rated voltage is 51.2V. Each battery stores 1,024Wh and has a 20Ah capacity. 24. ...

ePropulsion kMax Battery by

ICAST Fishing

ePropulsion 48V kMax battery fits in multiple fishing kayak locations: inside hull, under seats, rear wells, & larger crates in multi-unit configurations.

ePropulsion's kMax Battery earns ICAST 2026 Best of ...

Marine Business News

Purpose-built for kayak anglers and small watercraft, the kMax Battery delivers high-output 48V power in a lightweight, compact package ...

The ePropulsion kMax Battery has been named a 2026 ...

Instagram · epropulsion

Developed specifically for kayak anglers and small craft, the compact 48 V battery delivers 1,024 Wh of capacity in a modular, stackable design.

The @epropulsion kMax 2200 motor can be powered with third ...

Instagram · jefflittlekayakfishing

everyone knows this is the 48-volt battery, 23 pounds that powers the K Max. It won the awarded ICAST Best of Energy. This cable set allows you ...