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Solar & Wind Store > Battery Protection



Alfatronix PowerTector PT10, 12V or 24V - Low Voltage Disconnect
These programmable low voltage disconnects offer a simple, low cost and unobtrusive method for protecting your battery from damage due to total discharge.

They are constructed from die cast aluminium and glass reinforced polycarbonate offering a very solid construction. The PT10 device uses simple 6.3mm faston blade terminals with strain relief and can simply be tie wrapped to the wiring for fast, neat and reliable protection of your battery system.

Voltage: Autoselects 12Vdc or 24Vdc
Current capacity: 10A
Lifetime Warranty 


datasheet Product brochure
datasheet Product manual


Price:   £26.40 / €29.57 (Ex VAT at 20%)


Alfatronix PowerTector PT10, 12V or 24V - Low Voltage Disconnect
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Alfatronix PowerTector PT20, 12V or 24V - Low Voltage Disconnect
These programmable low voltage disconnects offer a simple, low cost and unobtrusive method for protecting your battery from damage due to total discharge.

They are constructed from die cast aluminium and glass reinforced polycarbonate offering a very solid construction. The PT20 device uses simple 6.3mm faston blade terminals with strain relief and can simply be tie wrapped to the wiring for fast, neat and reliable protection of your battery system.

Voltage: Autoselects 12Vdc or 24Vdc
Current capacity: 20A
Lifetime Warranty 


datasheet Product brochure
datasheet Product manual


Price:   £38.28 / €42.87 (Ex VAT at 20%)


Alfatronix PowerTector PT20, 12V or 24V - Low Voltage Disconnect
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Alfatronix PowerTector PT40, 12V or 24V - Low Voltage Disconnect
These programmable low voltage disconnects offer a simple, low cost and unobtrusive method for protecting your battery from damage due to total discharge.

They are constructed from die cast aluminium and glass reinforced polycarbonate offering a very solid construction. The PT40 battery guards have three fixing points and can be fixed even to uneven or awkward chassis positions. Power connections are by way of brass bolts (to minimise voltage drops) with protection between the terminals.

Voltage: Autoselects 12Vdc or 24Vdc
Current capacity: 40A
Lifetime Warranty 


datasheet Product brochure
datasheet Product manual


Price:   £73.92 / €82.79 (Ex VAT at 20%)


Alfatronix PowerTector PT40, 12V or 24V - Low Voltage Disconnect



Alfatronix PowerTector PT60, 12V or 24V - Low Voltage Disconnect
These programmable low voltage disconnects offer a simple, low cost and unobtrusive method for protecting your battery from damage due to total discharge.

They are constructed from die cast aluminium and glass reinforced polycarbonate offering a very solid construction. The PT60 battery guards have three fixing points and can be fixed even to uneven or awkward chassis positions. Power connections are by way of brass bolts (to minimise voltage drops) with protection between the terminals.

Voltage: Autoselects 12Vdc or 24Vdc
Current capacity: 60A
Lifetime Warranty 


datasheet Product brochure
datasheet Product manual


Price:   £93.41 / €104.62 (Ex VAT at 20%)


Alfatronix PowerTector PT60, 12V or 24V - Low Voltage Disconnect
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Alfatronix PowerTector PT100, 12V or 24V - Low Voltage Disconnect
These programmable low voltage disconnects offer a simple, low cost and unobtrusive method for protecting your battery from damage due to total discharge.

They are constructed from die cast aluminium and glass reinforced polycarbonate offering a very solid construction. The PT60 battery guards have three fixing points and can be fixed even to uneven or awkward chassis positions. Power connections are by way of brass bolts (to minimise voltage drops) with protection between the terminals.

Voltage: Autoselects 12Vdc or 24Vdc
Current capacity: 100A
Lifetime Warranty 


datasheet Product brochure
datasheet Product manual


Price:   £184.80 / €206.98 (Ex VAT at 20%)


Alfatronix PowerTector PT100, 12V or 24V - Low Voltage Disconnect



Alfatronix PowerTector PT200, 12V or 24V - Low Voltage Disconnect
These programmable low voltage disconnects offer a simple, low cost and unobtrusive method for protecting your battery from damage due to total discharge.

They are constructed from die cast aluminium and glass reinforced polycarbonate offering a very solid construction. The PT60 battery guards have three fixing points and can be fixed even to uneven or awkward chassis positions. Power connections are by way of brass bolts (to minimise voltage drops) with protection between the terminals.

Voltage: Autoselects 12Vdc or 24Vdc
Current capacity: 200A
Lifetime Warranty 


datasheet Product brochure
datasheet Product manual


Price:   £224.40 / €251.33 (Ex VAT at 20%)


Alfatronix PowerTector PT200, 12V or 24V - Low Voltage Disconnect
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Victron Battery Balancer
The Battery Balancer equalizes the state of charge of two series connected 12 V batteries, or of several parallel strings of series connected batteries.
When the charge voltage of a 24 V battery system increases to more than 27 V, the Battery Balancer will turn on and compare the voltage over the two series connected batteries. The Battery Balancer will draw a current of up to 1 A from the battery (or parallel connected batteries) with the highest voltage. The resulting charge current differential will ensure that all batteries will converge to the same state of charge.

If needed, several balancers can be paralleled.
A 48 V battery bank can be balanced with three Battery Balancers. 


datasheet Product brochure
datasheet Product manual


Price:   £68.64 / €76.88 (Ex VAT at 20%)


Victron Battery Balancer
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Victron BP-40i, 12v or 24v Low Voltage Disconnect
These Low Voltage Disconnect (LVD) battery protection devices are designed to prevent damaging over-discharge of a battery bank.
The Victron LVD unit senses the battery voltage and when it gets low, it automatically disconnects any loads connected to the device.

12v or 24v automatic system voltage detection.
Delayed load disconnect feature - allows surges.
MOSFET switching (no sparks, ignition proof).
Programmable LVD ranges with delay timer.
Delayed alarm or relay output feature.
Remote on / off switch function.
Marinised, potted electronics.
Load over-voltage protection.

40A Maximum continuous load current.
4ma self consumption - active.
2ma self consumption - off.

Dims: 80 x 60 x 40 mm
Weight: 0.2 kg  


datasheet Product brochure
datasheet Product manual


Price:   £80.04 / €89.64 (Ex VAT at 20%)


Victron BP-40i, 12v or 24v Low Voltage Disconnect
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Victron BP-65 12v/24v Low Voltage Disconnect
These Low Voltage Disconnect (LVD) battery protection devices are designed to prevent damaging over-discharge of a battery bank.
The Victron LVD unit senses the battery voltage and when it gets low, it automatically disconnects any loads connected to the device.

12v or 24v automatic system voltage detection.
Delayed load disconnect feature - allows surges.
MOSFET switching (no sparks, ignition proof).
Programmable LVD ranges with delay timer.
Delayed alarm or relay output feature.
Remote on / off switch function.
Marinised, potted electronics.
Load over-voltage protection.

60A Maximum continuous load current.
4ma self consumption - active.
2ma self consumption - off.

Dims: 80 x 60 x 40 mm
Weight: 0.2 kg  


datasheet Product brochure
datasheet Product manual


Price:   £39.00 / €43.68 (Ex VAT at 20%)


Victron BP-65 12v/24v Low Voltage Disconnect
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Victron BP-220 12v/24 Low Voltage Disconnect
These Low Voltage Disconnect (LVD) battery protection devices are designed to prevent damaging over-discharge of a battery bank.
The Victron LVD unit senses the battery voltage and when it gets low, it automatically disconnects any loads connected to the device.

12v or 24v automatic system voltage detection.
Delayed load disconnect feature - allows surges.
MOSFET switching (no sparks, ignition proof).
Programmable LVD ranges with delay timer.
Delayed alarm or relay output feature.
Remote on / off switch function.
Marinised, potted electronics.
Load over-voltage protection.

200A Maximum continuous load current.
4ma self consumption - active.
2ma self consumption - off.

Dims: 60 x 120 x 110 mm
Weight: 0.2 kg  


datasheet Product brochure
datasheet Product manual


Price:   £96.00 / €107.52 (Ex VAT at 20%)


Victron BP-220 12v/24 Low Voltage Disconnect
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