HQST 12V/24V 30A DC to DC Charger, Buck Boost Battery Charger, MPPT Solar Charge Controller, Dual Input Charger, with Smart Bluetooth APP Control, for LiFePO4, Sealed, AGM, Gel, Flooded Batteries

The HQST 12V/24V 30A DC to DC Charger is a versatile and efficient solution for dual battery systems. Its ability to support both solar and engine power inputs, with smart prioritization, makes it ideal for off-grid and RV setups. The buck and boost charging logic is a standout feature, allowing for flexible charging between 12V and 24V systems. The MPPT solar charge controller is highly efficient, and the Bluetooth app makes monitoring and adjustments easy. Safety features and high-temp resistant materials add peace of mind. Some users may find the setup a bit technical, but overall, this charger delivers reliable performance and great value for those needing advanced battery management.

This 12V/24V DC to DC charger gets the job done with smart dual-input charging and an MPPT solar controller that actually works. The Bluetooth app is handy for tracking power, but the range could be better. The build feels solid, and it handles different battery types well. Installation takes a little patience, but once it’s set, it runs smoothly. For the price, it’s a solid investment in keeping batteries charged without headaches.