DC to DC Charger With MPPT, 30A 350W, Solar Alternator Input

DC to DC charger with MPPT delivers fast, stable charging from your alternator or solar panel to keep RV, camper, and off-grid batteries ready. Designed for 12V/24V systems, it provides up to 30A charging current with smart multi-stage charging to support LiFePO4 and common lead-acid types. LED status indication, quick-connect wiring, and built-in protections make setup straightforward for vehicles and backup power builds.

• Delivers up to 30A / 350W charging for quicker battery top-ups versus low-power accessory ports


• Optimizes solar input with MPPT while supporting dual input from solar panel and alternator


• Supports 12V↔12V, 12V↔24V, 24V↔12V, 24V↔24V charging modes for mixed-voltage setups


• Includes DIP switch keys to select battery type for LiFePO4, AGM, GEL, flooded lead-acid, and calcium


• Protects with fan cooling plus over/under-voltage, reverse polarity, over-temp, and short-circuit safeguards

Built for mobile power systems that can’t afford slow charging or mismatched battery settings, this onboard charger helps you prioritize solar energy when available and reduce demand on the alternator. It can also enable reverse charging from an auxiliary battery to support a low starter battery when configured correctly. Use it in RVs, cars, trailers, portable power stations, and home backup power setups where dependable multi-stage charging matters. Grab yours today and simplify your charging system.

• Charging current: 30A


• Max output power: 350W


• Input voltage: 12V / 24V


• Charging voltage range: 12.6V–29.4V


• Inputs: solar panel + alternator (dual input)


• Indicators & accessories: LED indicator, XT60 quick-connect cable, 2 DIP switch keys