Renogy 30A 50A 12V DC to DC On-Board Battery Charger with MPPT Required

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Renogy offers a variety of shipping methods as listed below as well as free ground shipping on many of our products. Any items that qualify for free shipping will be identified on the product listing page. Shipping times are based on business days (Monday to Friday) excluding Holidays and weekends. Depending on your order, your purchase may arrive in multiple packages. For orders with a value of $200 or more, a signature may be required. Please note:
Not all items are eligible for Two Day or One Day shipping due to size, weight, hazardous materials, and delivery address. Shipments cannot be rerouted once a package has been shipped. Any orders in need of replacements due to shipping errors or damages in shipment will be sent out via ground shipping. Replacement orders cannot be expedited.
RETURN POLICY
At Renogy, we work hard to ensure a positive shopping experience with us. For purchases made directly from our online store, if for any reason you are not fully satisfied with your purchase, you may return your products with original package within 30 days as long as they are new, undamaged, and unmodified. We cannot guarantee that your item will be accepted for a refund or exchange if it does not meet these requirements. Return requests outside of 30 days require special authorization.
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REPLACEMENT POLICY
If you have received a defective product or one damaged during shipping, you are eligible for a refund or replacement.
In the event of a replacement, Renogy will arrange for return shipment of the defective unit, and once the part has been received and inspected, we will ship out the replacement part.
If damage results due to improper handling during the setup or installation, whether done professionally or by the customer, then the product is no longer eligible for replacement or refund. Contact Us
- 12V 30A/50A DC-DC On-Board Battery Charger w/ MPPT -
categories Description
The Renogy Dual Input DC-DC On Board Battery Charger with MPPT is designed to charge your service battery to 100% from two inputs: solar and alternator. Featuring multi-battery compatibility including Lithium with 3-phase MPPT charging technology, and providing multiple smart protections, this DCDC ensures stable, efficient, and most importantly, safe battery charging to make sure that you're always charged and can enjoy being off-grid longer. Package Includes

  1 x 12V 50A DC-DC On-Board Battery Charger with MPPT

  1 x Battery Temperature Sensor

  1 x IGN Signal Wire

  1 x RS485 Communication Cable

Note

  1. Do not reverse the polarity since the reverse polarity of the battery connections can cause injury and damage to the device.

  2. When connecting the charger and the battery, make sure the battery poles are clean when connecting the terminals, select a sufficient cross-section for the connection cable, tighten the nuts and bolts with proper torque as loose connections may cause overheating.

  3. Be careful not to over-torque the terminals on the DCDC as over-torquing may cause irreparable damage (Do not exceed 16 N-m / 3.3 ft-lb).

  4. Use the following cable colors: Red: positive connection; Black: negative connection

  5. If the battery charger is connected to the starting battery and solar panels at the same time, the maximum input current will be 15A(25A) for each; if the battery charger only connects one of the two DC inputs, the maximum input current will be 30A(50A).

2-year Material and workmanship warranty
Sturdy Design for UltraSafe Comes with sturdy compact design, this Renogy DC-DC On-Board Battery Charger with MPPT can be safely and easily connected to any 12-volt system and allows safe operation in any position or portable devices without the worry of incorrect connections or sparks.
Built-in MPPT Maximizing Solar Power WIth Built-in Maximum Power Point Tracking (MPPT) technology, this battery charger with MPPT maximizes the solar power when charging from solar panels, and ensures that the loads receive maximum current to be used.
Multi-alternator Compatibility This Renogy DC-DC On-Board Battery Charger with MPPT is compatible with both traditional and smart alternators. For smart alternator, an IGN Port is featured to connect the Vehicle Ignition for auto-trigger once it detects the vehicle is started.
Built-in Voltage Sensitive Relay (VSR) When connected with two batteries, it is vital to be able to isolate the two start and service batteries for charging safety. Renogy Dual Input DC-DC On Board MPPT Battery Charger with its built-in VSR allows vehicle owners to enjoy the benefits of fully charged deep cycle service batteries while reliably isolating it to the engine starting battery with one easy-to-install charging system.
Temperature Monitor and Voltage Adjust Featured with Remote Temperature Sensor Port, the Voyager can measure the temperature at the battery in real-time and uses this data for very accurate temperature compensation for both too high or low battery temperature, and thus adjust charging voltage to assure stable and constant charging to the battery.
Silent and Efficient Heat Dissipation This Renogy DC-DC On-Board Battery Charger with MPPT was specially die-cast aluminum designed for efficient and ZERO dB noiseless heat dissipation.

This diagram shows the whole connection of the DC-DC On-Board Battery Charger.

Please note:

An external fuse is required for installation.
Specification Manual Specification
Renogy 12V 30A DC-DC On-board Battery Charger w/ MPPT System Voltage: 12VDC Battery voltage Range: 9-16VDC Maximum Charging Current: 30A Battery Types: SLD/AGM, GEL, FLD, LISER Service Battery Charging Mode: MPPT Charging Efficiency: Up to 97% Max. Solar Input Voltage: 25V Max. Solar Input Power: 400W Alternator Input Voltage: Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC Max. Alternator Input Power: 400W Self-consumption: 60mA Ground Type: Negative Terminal Size: M8*1.25 - 10mm Temperature Compensation: -3mV/C/2V Operating Temperature Range: -31°F - 149°F Storage Temperature Range: -40°F - 176°F Operating / Storage Humidity: 0%-95%, No Condensation Dimensions (L x W x D): 9.6*5.7*3.0in Weight: 3.13Ibs Communication Protocol: RS485 Certification: CE/ROHS/FCC Part 15 class B
Renogy 12V 50A DC-DC On-board Battery Charger w/ MPPT System Voltage: 12VDC Battery voltage Range: 9-16VDC Maximum Charging Current: 50A Battery Types: SLD/AGM, GEL, FLD, LISER Service Battery Charging Mode: MPPT Charging Efficiency: Up to 97% Max. Solar Input Voltage: 25V Max. Solar Input Power: 660W @ 50A Alternator Input Voltage: Traditional Alternator: 13.2-16VDC Smart Alternator (Euro 6): 12-16VDC Max. Alternator Input Power: 660W @ 50A Self-consumption: 60mA Ground Type: Negative Terminal Size: M8*1.25 - 10mm Temperature Compensation: -3mV/C/2V Operating Temperature Range: -31°F - 149°F Storage Temperature Range: -40°F - 176°F Operating / Storage Humidity: 0%-95%, No Condensation Dimensions (L x W x D): 9.6*5.7*3.0in Weight: 3.13Ibs Communication Protocol: RS485 Certification: CE/ROHS/FCC Part 15 class B Warranty FAQs
Q/A
1. What type of alternator is this on-board battery charger compatible with?
This battery charger is compatible with both traditional and smart alternators. However, since standard/traditional alternator has a fixed voltage when charging, while smart alternator has a controlled charging output based on operating conditions, it is required to connect the charger to the smart alternator through the Vehicle Ignition Port by the IGN Signal Wire comes with the package.
2. What will happen if the service battery is fully charged?
This Renogy's DC to DC MPPT on-board Battery Charger has a built-in Voltage Sensitive Relay (VSR), thanks to which the charger will Trickle Charge the service battery and maintain its fully charged status, and will also Trickle Charge the starting battery via solar panels. The VSR also ensures reliable isolation between the starting battery and service battery, avoiding charging interference.
3. What types of battery does the charger support?
This controller supports Gel, AGM, Flooded, and Lithium battery, but please make sure to set the correct battery type once it is installed. For battery settings please refer to the Manual Book on page 12&15.
4. How do I set the battery since there is no display screen?
To change the battery type you will need to press the push button that is located on the PV+ and ALT+ side of the DCDC, then continue to press the button and the LED will display different colors with each representing a single type of battery. Please refer to the manual on page 15 for Battery Type LED.
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