50 Amp DC to DC MPPT Charger - ShopSolar.com
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Rich Solar 50 Amp DC to DC Lithium Battery Alternator Charger with MPPT

Current price $250
Original price $350
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Original price $350
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In Stock Get yours today!
10+ sold In the last 7 days
Free Returns Free Returns within 30 Days of Delivery

The DC to DC MPPT Charger allows you to charge your battery with your alternator or solar panels, giving you the comfort and confidence to go fully off-grid!


  • Can connect to PV and alternator
  • Charges both leisure and starter battery
  • MPPT with up to 99.9% efficiency
  • Supports TTL communication


Model: RS-MPPT50DC


  • Max. Voltage of Open Circuit: 55Vdc
  • MPPT Voltage Range: 17-36Vdc
  • Max PV Input Current: 45A
  • Max PV Input Power: 800W

BATTERY TYPE - Li-ion / Lead Acid / User Defined

  • Rated Battery Voltage: 12Vdc
  • Battery Voltage Range: 9-17Vdc
  • Max MPPT Charging Current: 50A
  • Max Alternator Charging Current: 60A
  • MPPT Charging Mode: Buck


  • Rated Battery Voltage: 12Vdc
  • Max MPPT Charging Voltage: 13.8V
  • Max MPPT Charging Current: ≤25A
  • Max Alternator Input Voltage (Conventional) - 13.2-16Vdc
  • Max Alternator Input Voltage (Euro 6 Standard) - 12-16Vdc
  • Alternator Charging Mode: Buck, Boost, Buck-Boost


  • MPPT Tracking Efficiency: >99%
  • Max Charging Conversion Efficiency: 98%


  • Embedded Interfaces: TTL, Remove Switch


  • Weight: 4.7 lbs
  • Dimensions: 8.7 x 6.9 x 3.2 inches
  • Protection Degree: IP32
  • Operating Temperature Range: -35°C~65°C(-31℉~149℉)


  • Safely: IEC62109
  • EMS: IEC61000, FCC sDoC
  • Rohs: YES

Still Have Questions About The DC to DC MPPT Charger? Give us a call today 1-877-242-2792

What is the Shop Solar Kits returns policy?

Returns are free in the first 30 days with no restocking or processing fees, although the customer must pay for the return shipping costs. See our complete return policy on our Shipping, Deliver, and Returns page.

What’s covered by the Shop Solar Kits returns policy?

Our returns policy covers all purchases made through Shop Solar Kits. For warranty issues, as authorized distributors, we honor the full manufacturer warranty of ALL the brands on our website. See our complete returns and warranty policies on our Shipping, Deliver, and Returns page.

How long will it take to receive my Shop Solar Kits order?

All orders are processed within 72 hours and you can expect delivery within 5 to 10 business days. You will receive access to our customer portal after ordering, where it is easy to track all your shipments. See our Shipping, Delivery and Returns page for more details.

What are the financing and payment options at Shop Solar Kits?

We offer several ways to pay to make getting your solar kit simple:

  • Credit Card: if the purchase is greater than your card’s limit, you can split the cost onto multiple cards as well as Paypal, financing through Affirm, and ACH/bank transfer
  • You can arrange financing during the checkout process, see our Financing page for more details

How does the Shop Solar Kits Lifetime Support work?

Our legendary lifetime customer support has helped make us the #1 solar kit retailer. We have a dedicated team of solar professionals standing by to help you navigate the world of solar with ease. From selecting the perfect solar kit to installation and beyond, we provide support and expertise at every step of the journey.If you need help with ordering, shipping, troubleshooting, expanding your system, warranty issues, or anything else you have questions about for as long as you own your Shop Solar Kits equipment, we’ve got you covered: we’re always only a phone call or email away.

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