Wee Boats for Your BIG Adventures


Power 26-104 High-performance 104 Ah Lithium Battery

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Item #2103-00


The 26-104 has been discontinued and replaced by the 24-3500.

The perfect high-end lithium battery for the Cruise electric motors or for your on-board DC power supply.

Choosing lithium means choosing high performance. Choosing the Power 26-104, also means choosing an unrivaled level of professional safety. The Power 26-104 is equipped with a comprehensive safety system combining the requirement for general operating safety with safety in maritime use.

Thanks to plug & play technology, the Power 26-104 can be installed and activated in a few short steps. And with a 5-stage safety design it is arguably the safest battery of its kind for marine systems. 

For more information about wiring and battery chargers, see the Wee Boats' Power 26-104 Battery Charging Guide.



  • Up to 70% less battery weight than AGM or gel batteries.
  • Maximum safety thanks to 5-tier safety system, including battery management system with one-fault safety.
  • Simple operation.
  • Waterproof to IP67 (can be submerged to depth of 1 metre for 30 minutes without damage)
  • Rated voltage 25.9 V, capacity 104 Ah (2,685 Wh)
  • Weight 53.6 lbs
  • Energy density 50.1 Wh/lb
  • Designed as deep cycle battery with maximum discharge current of 180 amps - cannot be used as a starting battery
  • Includes battery management system with integrated protection against overcharging, short circuit, deep discharge, polarity reversal, overheating and submersion
  • Includes data cable for connection to Cruise Remote and Tiller electric outboards
  • In the box -  Battery, M12 nuts with washers, Data cable,  and Operating Manual with the warranty card




Best Use Powering your Cruise electric motor or your boat's DC system
Battery Size 2,685 Wh (104 Ah) Li-Ion 

Battery Recharge Time

(completely discharged battery)

11 hours using the standard AC charger (2206-20) accessory - not included
Cycle Lifetime 800 cycles with 100%
discharge depth at 25°C
Average annual capacity loss Approx. 4% at 25°C ambient temperature
Max Charge Current 100 amps
Battery Weight 53.6 lbs
L x H x D 22.7 in x 8.6 in x 10 in
Warranty 2 year manufacturer's limited warranty for non-commercial use
Shipping Weight 62 lbs



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