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Pre-Built Batteries

FREEShipping
SFK-300HP 12v 300AH 4.0KW SELF HEATING Lithium Iro
$1,195.00 $1,750.00 On Sale

SFK-300HP 12v 300AH 4.0 kWh High Power Dual Heating Lithium Iron Phosphate Battery
SFK-300HP

Quick Specs

Max Discharge (Amps)

Max Discharge (Amps)

200
Battery Capacity (AH)

Battery Capacity (AH)

300
Voltage

Voltage

12.8,13.0,13.6
Cycle Life

Cycle Life

3000 at 80% D.O.D.
Data Port

Data Port

RS485 Data Port
Heating System

Heating System

Auto & Manual
Best Seller! The SFK-300HP now in its 2nd generation with new features such as the GEN2 Switch, RS-485 data port, Victron Communication, and triple heating modes (low temp charging, standby heating or disabled) make it the ultimate battery!
FREEShipping
SFK-275EX 12v 275 AH 3.6 KW Endurance Dual Heat Li
$1,115.00 $1,500.00 On Sale

SFK-275EX 12v 275 AH 3.6 kWh Endurance Dual Heat Lithium Iron Phosphate Battery
SFK-275EX

Quick Specs

Max Discharge (Amps)

Max Discharge (Amps)

200
Battery Capacity (AH)

Battery Capacity (AH)

275
Voltage

Voltage

12.8,13.0,13.6
Cycle Life

Cycle Life

6000 Cycles at 80% D.O.D.
Data Port

Data Port

RS485 Data Port
Heating System

Heating System

Auto & Manual
The SFK-275EX is a fantastic all weather battery and is rated for up to 6000 cycles it is available with the GEN2 Switch, RS-485 data port, Victron Communication, and dual heating modes (automatic & manual).
SFK-275SE Smart Active Balance Endurance Battery L
$875.00 $1,250.00 On Sale

SFK-275SE 12v 275 AH 3.6 kWh Smart Active Balance Endurance Battery Lithium Iron Phosphate
SFK-275SE

Quick Specs

Max Discharge (Amps)

Max Discharge (Amps)

150
Battery Capacity (AH)

Battery Capacity (AH)

275
Voltage

Voltage

12.8,13.0,13.6
Cycle Life

Cycle Life

6000 Cycles at 80% D.O.D.
Data Port

Data Port

RS485 Data Port
Heating System

Heating System

Low Temp Protection
An excellent budget battery for those do not require built in heating. Built with the same certified cells as the 275EX, the SFK-275SE includes options such as the GEN2B Switch, RS-485 data port, Victron Communication, and is also the lightest battery we sell (under 56 lbs).