House2Start 12V DC-DC Battery Charger & Float Maintainer for Recreational Vehicles and Boats

House2Start keeps your starter battery charged, automatically.

Input: Universal 12V, compatible will all batteries chemistries (Lithium, LiFePO4, SLA, AGM, etc)

Output: 12V 2-Amp smart lead-acid battery charger & float maintainer optimized for AGM and sealed lead acid batteries. 

User selectable on/off voltage set points to let you choose the best configuration for your needs.

Built in temperature compensation

Safety features: Over-temperature shutoff, Over-voltage and under-voltage protection, Reverse polarity protection, output battery disconnect detection. 

Convenient 18" leads attached for easy installation

Installation Notes: Installation may require separate fuse and crimp terminals.

**House2start units shipped after Dec 22 2025, Gen2b modules, do not need a diode when installing to Mastervolt chargemate.

• Install Guide
• Install Videos
• FAQ
• Product Manual
  • Gen2c
  • Gen2
  • Gen1