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2016 Sterling Power Catalog2016 Sterling Power Catalog

 NEW Sterling Power 60 Amp & 120 Amp Battery to Battery Charger  

 Read About   /  Instalation Instructions        

Sterling Power ProCharge-B                                  
Bass Angler Magazine Review
           Waterproof Battery to Battery Chargers            

ProCharge Ultra Now Available in 12V, 24v, 36v and 48V models.
        Can also be configured for 72v and 96v battery banks as well.

Battery Chemistry Module

           Battery Chemistry Module  

  Read About


 sterling power alternator to battery charger
Alternator to Battery Chargers 

 Digital Battery Tester / Load Tester  




Battery Chargers (10A-60A) 12V/24V                          Waterproof Battery Chargers (20A)            

sterling power advanced alternator regulator                                                                                         


Advanced Alternator Regulators                                 Alternator to Battery Chargers


Waterproof  Battery to Battery Chargers                       Battery to Battery Chargers                        


       Ignition Fed Relays                                                    Voltage Sensitive Relays                   

sterling power cvsr                                  

Current Limiting Voltage Sensitive Relays               Programable Latching Relays


Battery Isolators (Diode Based)              Zero Voltage Drop Battery Isolators (Relay Based)                  



    Combi Inverter / Charger                                        Power Management Panel 
(Modified and Pure Sine Wave)                                 


    ANL Fuses and Holders                                      500A / 1000A Fuse Holder and Fuses

Battery Maintainer / Trickle Chargers                                    Test Meters


sterling power alternator protection device

    Alternator Protection Device

Featured Product

Sterling Power ProCharge Ultra 36 Volt Marine Battery Charger
Price: $650.00
Sterling Power ProCharge Ultra 36 Volt Marine Battery Charger
The new Sterling ProCharge Ultra. The Ultimate Marine Grade Battery charger. Delivers great performance, features and value.
Sterling Power ProCharge Ultra 48 Volt Marine Battery Charger
Price: $650.00
Sterling Power ProCharge Ultra 48 Volt Marine Battery Charger
The new Sterling ProCharge Ultra. The Ultimate Marine Grade Battery charger. Delivers great performance, features and value.

Sterling Power Battery Chemistry Module

Sterling Power Pro Charge Ultra - courtesy of Bainbridge Technologies

Sterling Power Pro Charge B IP68 - courtesy of Bainbridge Technologies

Charles Sterling discussing the range of batteries for the leisure market.

Charles Sterling discussing wives' tales surrounding alternators and their power curves.

Charles Sterling discussing inverters, pure and modified (quasi) sine wave inverters.

Charles Sterling discusses 3 stage battery charging profiles and battery charging

Welcome to Sterling Power USA

Whether you're a recreational or professional consumer, we can help with your battery charging and condition needs. Sterling Power USA specializes in Marine, RV, and Industrial battery charging solutions. Our marine grade products like our new ProCharge Ultra Marine Grade Battery Charger provide award winning, high performance battery charging solutions. With our battery charging products you can decrease run time, maximize charging speeds and provide your batteries the correct charging profiles. Doing so maximize battery performance and battery life. Your batteries are an expensive investment, be sure you are charging them correctly. Providing the correct charge voltage for your battery is easy with innovative battery charging products like our newest marine grade battery charger, the ProCharge Ultra. With 11 pre-set battery charging profiles, and one user customizable setting, this battery charger can be set to charge all types of 12v and 24v batteries. 

Not near shore power? Why wait to plug in your battery charger until you get home? With unique battery charging products like the Sterling Power "Battery to Battery Charger" or the "Alternator to Battery Charger", you can provide a multistage charge to the auxiliary batteries while the boat or vehicle is running, away from shore power.

Other Sterling Power Products we offer include a DC to DC IP68 marine battery charger, a Power Factor Corrected IP68 battery charger, drymount marine battery chargers, marine battery isolators, zero volt drop battery charging systems, advanced alternator regulators, Amp Hour Counters, a variety of DC powered battery chargers, IP68 waterproof battery charging relays and combination inverter chargers. Our battery charging solutions can meet the power demands being placed on your vessel today.

A United Kingdom based firm, Sterling Power Products, Ltd., manufactures many different lines of battery chargers, marine battery chargers, power inverters, battery charging relays, marine battery isolators and AC/DC power management products and accessories. They've been designing and manufacturing power products for almost 20 years in the UK, and Sterling Power USA recently launched to better serve customers with Sterling Power products. Sterling Power USA is poised to become North America’s leading supplier of electrical power management products for use in marine pleasure craft, recreational and emergency mobile vehicles, off grid applications --anywhere control of electrical power is needed.

At Sterling Power USA, we have a customer-driven approach to product development. We listen to your needs and use this to continually create and change our battery charging product line to make what you, our customer, is looking for. We believe in offering practical solutions that offer great value for your money. Our products have seen service in the marine market, the RV motor home market & the emergency vehicle market. Sterling Power USA has the AC and DC power management products to keep it all running safely.