ePropulsion Equipment
kMax Battery
Compact 48 V (51.2 V) 1024 Wh LiFePO4 battery for kayaks and small craft, 11 kg, IP67, up to 4 in parallel, single-cable connection and Bluetooth monitoring. Announced for spring 2027.
Description
The ePropulsion kMax Battery is a compact 48 V lithium iron phosphate battery designed for kayak anglers and small craft. At 11 kg and 350 x 183 x 192 mm it fits through hatches, inside the hull, under seats or in rear wells. Announced for spring 2027.
Key features
- 1024 Wh per unit; up to four in parallel for over 4 kWh
- Single integrated cable combining positive, negative and communication lines
- Stackable or side-by-side arrangement
- Bluetooth monitoring of state of charge, software updates and diagnostics via the ePropulsion app
- Full recharge from 0 to 100% in as little as two hours
- Indicator light, built-in strap handle and four strap slots for tie-downs
- IP67 waterproof
Technical data
- Chemistry: LiFePO4, 16S1P
- Energy / capacity: 1024 Wh / 20 Ah
- Rated voltage: 51.2 V; cut-off 41.6 V; final charging 57.6 V
- Max continuous discharge: 55 A; max continuous charge: 20 A
- Cycle life: 2,800 cycles at 80% SoH
- Charging temperature -10 to 55 °C; discharging -10 to 60 °C
- Communication: two CAN ports for ePropulsion motors, parallel batteries and charger
- Approvals: CE, UKCA, FCC; UN38.3 (UN3480, Class 9)
Specifications
| Chemistry | Lithium Iron Phosphate (LiFePO4) |
|---|---|
| Energy | 1024 Wh |
| Capacity | 20 Ah |
| 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) |
| Cut-off Voltage | 41.6 V |
| Final Charging Voltage | 57.6 V |
| Continuous Max Discharge Current | 55 A |
| Series Connection | N/A |
| Parallel Connection | Up to 4 |
| Cell Configuration | 16S1P |
| Continuous Max Charge Current | 20 A |
| Charging Temperature | -10 to 55 °C |
| Discharging Temperature | -10 to 60 °C |
| IP Rating | IP67 |
| Communication | Two CANs for ePropulsion motors, parallel batteries & charger |
| Shipping Classification | UN3480, Class 9, UN38.3 Certified |
| Approvals | CE, UKCA, FCC |
| Warranty (Non-Commercial Use) | 2 years |
More from ePropulsion
- ePropulsion eCore
- ePropulsion Electric Pod Drive eSSA Series
- ePropulsion eLite
- ePropulsion E-Series 48V LiFePO4 Batteries
- ePropulsion G-Series 96V LiFePO4 Batteries
- ePropulsion H-Series
- ePropulsion I-Series
- ePropulsion kLite 750
- ePropulsion Navy Series
- ePropulsion POD Drive Series
- ePropulsion Spirit 1.0 Plus/Evo
- ePropulsion X-Series
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