Battery-to-Battery Charger 12V, 30amp

Why wait to arrive at your destination to plug in your battery charger?
Now you can easily smart charge the housebank in your Boat with your standard alternator.

DC Powered Smart Charger, perfect for smart charging your auxillary battery bank in your boat, Doesnt have the limitations of a tradional relay.

It correctly calculates the charging needs of the house bank and smart charges anytime the boat engine is started and goes into float voltage when the battery is full.
Choose from 9 preset output charge profiles, or set your own w/ a user customizable profile. Loaded with features, optional remote displays available.

Simply connect in between a starting battery and house bank and any time the alternator is running this smart charger will smart charge the output bank. Sterling's range of Battery to Battery Chargers (B2Bs) has grown significantly over the past few years. The B2Bs have become extremely popular as they fast charge batteries without the need for complex wiring, touching your alternator, voiding the alternator's warranty and tampering with the electronic control units (ECUs). You can provide the onboard batteries with a fast 4 stage charging profle with a very simple and speedy installation. All of the benefits of advanced charging without any of the drawbacks. Simply connect the B2B between the battery being charged and the battery you wish to charge.

Features:

1) Multiple Activation Modes.
2) Input 12v & Output charging at 12V.
3) Much larger model up to 3000W coming soon.
4) Current is NOT taken from the input battery and given to the output battery. The B2B uses alternator power to charge the output battery. Manual mode allows you to override this.
5) Safety features:
100% fire proof plastic box.
No screws to corrode.
Thermal power reduction.
Multi stage fan cooling.
The internal heat sink temp is between 158 - 180F. The unit shall drop to half power by this point - additionally reducing temperature.
6) Night Time Setting: Allows the unit to ran at half the power so the fan noise is kept down.
7) Boost / Reduce Charging: The B2Bs ensure batteries get the correct charging profile irrespective of high or low input voltages.
8) B2B turns on at 13.3V and turns off at 13.0V (x 2 for 24V). Thus, does not drain input battery.
9) Customizable Profile: Choose your own charging profile on the front panel.
10) 9 preset battery chemistry options: Including AGM, LiFePO4, Gel, Flooded and sealed lead acid.
11) 4 stage battery charging: Thge B2B charges batteries between 5-20 times faster than a stand alone alternator.
12) Very Simple to install: No electronic Control Unit (ECU) issues. No complex wiring. No warranty issues. Fully prepared for smart alternators.