STERLING

Professional energy and charging technology for stationary and mobile applications
STERLING Power Products develops high-quality products for energy management of stationary and mobile units. The focus is on chargers, inverters, high-power regulators for alternators and other devices to optimize power supply. Thanks to its technically well-engineered and proven products, STERLING has become a well-known brand, especially in the world of water sports. For example, the engineers of STERLING Power Products developed waterproof chargers for use in completely exposed areas without protection (open boats or outdoors). Worth mentioning are the STERLING high-performance regulators, which practically turn a conventional alternator to a high-performance alternator with optimum IUoUo characteristics. Learn more about STERLING...
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Product image of STERLING Pro Charge Ultra 24V / 20A Charging Device / 3 charging outputs
STERLING Pro Charge Ultra 24V / 20A Charging Device / 3 charging outputs
only €516 76
No rating yet
Only 2 in stock
Pro Charge Ultra 24V / 20A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 20A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 20A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 20A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 20A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 20A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 20A Charging Device / 3 charging outputsPreview image
Product image of STERLING Pro Charge Ultra 12V / 50A Charging Device / 3 charging outputs
STERLING Pro Charge Ultra 12V / 50A Charging Device / 3 charging outputs
only €537 77
(1)
Only 2 in stock
Pro Charge Ultra 12V / 50A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 50A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 50A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 50A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 50A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 50A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 50A Charging Device / 3 charging outputsPreview image
Product image of STERLING Pro Charge Ultra 12V / 30A Charging Device / 3 charging outputs
STERLING Pro Charge Ultra 12V / 30A Charging Device / 3 charging outputs
only €403 32
(2)
Only 2 in stock
Pro Charge Ultra 12V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 30A Charging Device / 3 charging outputsPreview image
Product image of STERLING Pro Charge Ultra 12V / 60A Charging Device / 3 charging outputs
STERLING Pro Charge Ultra 12V / 60A Charging Device / 3 charging outputs
only €626 01
(3)
6 left in stock
Pro Charge Ultra 12V / 60A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 60A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 60A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 60A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 60A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 60A Charging Device / 3 charging outputsPreview image
Product image of STERLING Pro Charge Ultra 12V / 40A Charging Device / 3 charging outputs
STERLING Pro Charge Ultra 12V / 40A Charging Device / 3 charging outputs
only €457 94
(1)
Only 3 in stock
Pro Charge Ultra 12V / 40A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 40A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 40A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 40A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 40A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 40A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 12V / 40A Charging Device / 3 charging outputsPreview image
Product image of STERLING Pro Charge Ultra 24V / 30A Charging Device / 3 charging outputs
STERLING Pro Charge Ultra 24V / 30A Charging Device / 3 charging outputs
only €672 23
No rating yet
Only 1 in stock
Pro Charge Ultra 24V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 30A Charging Device / 3 charging outputsPreview image
Pro Charge Ultra 24V / 30A Charging Device / 3 charging outputsPreview image
Product image of STERLING PRO POWER Q Mobile Power Inverter 12 V / 100 W / SCHUKO connection
STERLING PRO POWER Q Mobile Power Inverter 12 V / 100 W / SCHUKO connection
only €56 26
(1)
Only 1 left in stock
PRO POWER Q Mobile Power Inverter 12 V / 100 W / SCHUKO connectionPreview image
PRO POWER Q Mobile Power Inverter 12 V / 100 W / SCHUKO connectionPreview image
PRO POWER Q Mobile Power Inverter 12 V / 100 W / SCHUKO connectionPreview image
Product image of STERLING ZINC SAVER II Galvanic Isolator
STERLING ZINC SAVER II Galvanic Isolator
only €110 04
(26)
18 in stock
ZINC SAVER II Galvanic IsolatorPreview image
ZINC SAVER II Galvanic IsolatorPreview image
ZINC SAVER II Galvanic IsolatorPreview image
Product image of STERLING Digital Battery Tester / 12 V
STERLING Digital Battery Tester / 12 V
only €57 10
No rating yet
Only 3 in stock
Digital Battery Tester / 12 VPreview image
Digital Battery Tester / 12 VPreview image
Digital Battery Tester / 12 VPreview image
Digital Battery Tester / 12 VPreview image
Product image of STERLING Manual 3-Way Switch / 16 A
STERLING Manual 3-Way Switch / 16 A
only €20 97
(2)
7 left in stock
Manual 3-Way Switch / 16 APreview image
Manual 3-Way Switch / 16 APreview image
Manual 3-Way Switch / 16 APreview image
Manual 3-Way Switch / 16 APreview image
Manual 3-Way Switch / 16 APreview image
Manual 3-Way Switch / 16 APreview image
Product image of STERLING Manual 3-Way Switch / 32 A
STERLING Manual 3-Way Switch / 32 A
only €32 73
No rating yet
7 left in stock
Product image of STERLING ProSwitch Automatic Switch / 32 A
STERLING ProSwitch Automatic Switch / 32 A
only €340 29
No rating yet
Only 2 in stock
ProSwitch Automatic Switch / 32 APreview image
ProSwitch Automatic Switch / 32 APreview image
ProSwitch Automatic Switch / 32 APreview image
Product image of STERLING Remote Control for Pro Charge Ultra Chargers
STERLING Remote Control for Pro Charge Ultra Chargers
only €106 68
(2)
9 left in stock
Remote Control for Pro Charge Ultra ChargersPreview image
Remote Control for Pro Charge Ultra ChargersPreview image
Remote Control for Pro Charge Ultra ChargersPreview image
Remote Control for Pro Charge Ultra ChargersPreview image
Product image of STERLING Temperature Sensor for STERLING Pro Charge Ultra Chargers
STERLING Temperature Sensor for STERLING Pro Charge Ultra Chargers
only €18 45
No rating yet
8 left in stock
Product image of STERLING TSAY Temperature Sensor for STERLING BB1230, BB1260 and BBW Series
STERLING TSAY Temperature Sensor for STERLING BB1230, BB1260 and BBW Series
only €19 29
No rating yet
Only 4 in stock
TSAY Temperature Sensor for STERLING BB1230, BB1260 and BBW SeriesPreview image
TSAY Temperature Sensor for STERLING BB1230, BB1260 and BBW SeriesPreview image
Product image of STERLING DIGITAL High-Performance Regulator / waterproof
STERLING DIGITAL High-Performance Regulator / waterproof
only €143 66
(4)
Only 2 in stock
DIGITAL High-Performance Regulator / waterproofPreview image
DIGITAL High-Performance Regulator / waterproofPreview image
DIGITAL High-Performance Regulator / waterproofPreview image
DIGITAL High-Performance Regulator / waterproofPreview image
Product image of STERLING Pro Protect A Alternator Protection Switch
STERLING Pro Protect A Alternator Protection Switch
from €46 18
(3)
2 variants
Pro Protect A Alternator Protection SwitchPreview image
Pro Protect A Alternator Protection SwitchPreview image
Pro Protect A Alternator Protection SwitchPreview image
Product image of STERLING PRO REG DW Advanced Alternator Regulator
STERLING PRO REG DW Advanced Alternator Regulator
only €214 24
(1)
Only 3 in stock
PRO REG DW Advanced Alternator RegulatorPreview image
PRO REG DW Advanced Alternator RegulatorPreview image
Product image of STERLING PRO BATT ULTRA Battery-to-Battery Charger / 12 - 12 V / 60 A
STERLING PRO BATT ULTRA Battery-to-Battery Charger / 12 - 12 V / 60 A
only €365 50
(1)
Only 1 in stock
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 12 V / 60 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 12 V / 60 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 12 V / 60 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 12 V / 60 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 12 V / 60 APreview image
Product image of STERLING PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 A
STERLING PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 A
only €466 34
No rating yet
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 - 24 V / 70 APreview image
Product image of STERLING PRO CHARGE B Battery-to-Battery Charger / 24 V to 12 V / 13 A
STERLING PRO CHARGE B Battery-to-Battery Charger / 24 V to 12 V / 13 A
only €247 86
No rating yet
Only 1 left in stock
PRO CHARGE B Battery-to-Battery Charger / 24 V to 12 V / 13 APreview image
PRO CHARGE B Battery-to-Battery Charger / 24 V to 12 V / 13 APreview image
PRO CHARGE B Battery-to-Battery Charger / 24 V to 12 V / 13 APreview image
PRO CHARGE B Battery-to-Battery Charger / 24 V to 12 V / 13 APreview image
Product image of STERLING PRO BATT ULTRA Battery-to-Battery Charger / integr. MPPT solar regulator/ 12 V to 12 V / 30 A
STERLING PRO BATT ULTRA Battery-to-Battery Charger / integr. MPPT solar regulator/ 12 V to 12 V / 30 A
only €336 09
No rating yet
Only 2 left in stock
PRO BATT ULTRA Battery-to-Battery Charger / integr. MPPT solar regulator/ 12 V to 12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / integr. MPPT solar regulator/ 12 V to 12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / integr. MPPT solar regulator/ 12 V to 12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / integr. MPPT solar regulator/ 12 V to 12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / integr. MPPT solar regulator/ 12 V to 12 V / 30 APreview image
Product image of STERLING PRO CHARGE B Battery-to-Battery Charger / 12V to 12V / 30A
STERLING PRO CHARGE B Battery-to-Battery Charger / 12V to 12V / 30A
only €260 46
(4)
Only 2 in stock
PRO CHARGE B Battery-to-Battery Charger / 12V to 12V / 30APreview image
PRO CHARGE B Battery-to-Battery Charger / 12V to 12V / 30APreview image
PRO CHARGE B Battery-to-Battery Charger / 12V to 12V / 30APreview image
PRO CHARGE B Battery-to-Battery Charger / 12V to 12V / 30APreview image
Product image of STERLING PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 A
STERLING PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 A
only €298 28
(2)
Only 2 in stock
PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 12 -12 V / 30 APreview image
Product image of STERLING PRO BATT ULTRA Battery-to-Battery Charger / 24 - 24 V / 35 A
STERLING PRO BATT ULTRA Battery-to-Battery Charger / 24 - 24 V / 35 A
only €466 34
(2)
Only 2 in stock
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 24 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 24 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 24 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 24 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 24 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 24 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 24 V / 35 APreview image
Product image of STERLING PRO BATT ULTRA Battery-to-Battery Charger / 24 - 12 V / 35 A
STERLING PRO BATT ULTRA Battery-to-Battery Charger / 24 - 12 V / 35 A
only €466 34
No rating yet
Only 2 in stock
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 12 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 12 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 12 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 12 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 12 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 12 V / 35 APreview image
PRO BATT ULTRA Battery-to-Battery Charger / 24 - 12 V / 35 APreview image
Product image of STERLING Temperature Sensor
STERLING Temperature Sensor
only €18 45
(2)
Only 3 in stock
Temperature SensorPreview image
Temperature SensorPreview image
Temperature SensorPreview image
Product image of STERLING Remote Control with Display for B2B-Charger
STERLING Remote Control with Display for B2B-Charger
only €106 68
No rating yet
Only 2 in stock
Remote Control with Display for B2B-ChargerPreview image
Remote Control with Display for B2B-ChargerPreview image
Remote Control with Display for B2B-ChargerPreview image
Remote Control with Display for B2B-ChargerPreview image
Remote Control with Display for B2B-ChargerPreview image
Product image of STERLING Remote Control for Alternator Charger
STERLING Remote Control for Alternator Charger
only €239 45
(1)
Only 3 in stock
Remote Control for Alternator ChargerPreview image
Remote Control for Alternator ChargerPreview image
Remote Control for Alternator ChargerPreview image
Remote Control for Alternator ChargerPreview image
Remote Control for Alternator ChargerPreview image
Product image of STERLING Remote Control for PRO DIGITAL High Performance Controller
STERLING Remote Control for PRO DIGITAL High Performance Controller
only €147 02
(2)
Only 1 in stock
Product image of STERLING Remote Control for Alternator Charger
STERLING Remote Control for Alternator Charger
only €120 97
(2)
Only 4 in stock
Remote Control for Alternator ChargerPreview image
Remote Control for Alternator ChargerPreview image
Remote Control for Alternator ChargerPreview image
Remote Control for Alternator ChargerPreview image
Product image of STERLING Remote control for PRO LATCH R
STERLING Remote control for PRO LATCH R
only €67 23 €87.31
No rating yet
Only 2 left in stock
Remote control for PRO LATCH RPreview image
Remote control for PRO LATCH RPreview image
Remote control for PRO LATCH RPreview image
Remote control for PRO LATCH RPreview image
Remote control for PRO LATCH RPreview image
-23%
Product image of STERLING PRO LATCH R Deep Discharge Protector
STERLING PRO LATCH R Deep Discharge Protector
from €139 45
No rating yet
2 variants
PRO LATCH R Deep Discharge ProtectorPreview image
PRO LATCH R Deep Discharge ProtectorPreview image
PRO LATCH R Deep Discharge ProtectorPreview image
Product image of STERLING Alternator to Battery Charger / 24 V / 100 A
STERLING Alternator to Battery Charger / 24 V / 100 A
only €537 77
(1)
Only 1 in stock
Alternator to Battery Charger / 24 V / 100 APreview image
Alternator to Battery Charger / 24 V / 100 APreview image
Alternator to Battery Charger / 24 V / 100 APreview image
Alternator to Battery Charger / 24 V / 100 APreview image
Alternator to Battery Charger / 24 V / 100 APreview image
Alternator to Battery Charger / 24 V / 100 APreview image
Alternator to Battery Charger / 24 V / 100 APreview image
Product image of STERLING Alternator to Battery Charger / 12 V / 130 A
STERLING Alternator to Battery Charger / 12 V / 130 A
only €428 53
(1)
Alternator to Battery Charger / 12 V / 130 APreview image
Alternator to Battery Charger / 12 V / 130 APreview image
Alternator to Battery Charger / 12 V / 130 APreview image
Alternator to Battery Charger / 12 V / 130 APreview image
Alternator to Battery Charger / 12 V / 130 APreview image
Product image of STERLING Alternator to Battery Charger / 12 V / 80 A
STERLING Alternator to Battery Charger / 12 V / 80 A
only €386 51
(7)
Only 1 in stock
Product image of STERLING Alternator to Battery Charger / 12 V / 160 A
STERLING Alternator to Battery Charger / 12 V / 160 A
only €483 15
(7)
Only 1 in stock
Alternator to Battery Charger / 12 V / 160 APreview image
Alternator to Battery Charger / 12 V / 160 APreview image
Alternator to Battery Charger / 12 V / 160 APreview image
Alternator to Battery Charger / 12 V / 160 APreview image
Alternator to Battery Charger / 12 V / 160 APreview image
Alternator to Battery Charger / 12 V / 160 APreview image

Charging technology from Sterling

- How do I charge my battery efficiently? -

The PRO CHARGE ULTRA convinces with numerous innovative features to optimally charge up to three batteries and ensure long battery life. They are available for both 12V and 24V vehicle electrical systems and in different current strengths.

Suitable for various types of batteries

The Pro Charge Ultra chargers have 11 pre-programmed charging characteristics for the following battery types: Gel, AGM, maintenance-free or open lead acid batteries, calcium or even LiFePo4 batteries. 
If your battery is not one of the pre-programmed types, you can easily set and save parameters for the final charge or trickle charge voltage via the device's control panel.