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GENIUS1 Smart Battery Charger

A compact 6V/12V smart charger and maintainer with automatic charging, repair mode, thermal compensation, force mode, and LED charge indicators.

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Description

A compact smart battery charger, maintainer, trickle charger, float charger, and desulfator for 6V/12V vehicle batteries across cars, motorcycles, lawn equipment, boats, RVs, powersports, and seasonal vehicles.

  • Compact GENIUS1-style smart charger and battery maintainer
  • Supports 6V/12V lead-acid and lithium-ion LiFePO4 batteries shown in source details
  • Automatic charging and maintenance with LED charge indicators
  • Battery repair mode and force mode for deeply discharged batteries
  • Integrated digital thermal sensor helps adjust charging in hot or cold conditions
Why customers love it
For cars, motorcycles, lawn mowers, boats, RVs, powersports gear, and seasonal batteries, a compact maintainer can help keep batteries ready instead of discovering a dead one when it is time to drive or ride.
Specifications
Model shown: GENIUS1
Voltage compatibility: 6V / 12V
Charger type: smart battery charger, maintainer, trickle charger, float charger, desulfator
Battery compatibility: lead-acid flooded, gel, AGM, SLA, VRLA, maintenance-free, and lithium-ion LiFePO4
Thermal sensor: integrated digital thermal sensor
Diagnostics/features: high voltage, battery repair, start voltage sensor, force mode
Charge indicators: pulsing red, pulsing green, solid green, slow pulsing maintenance
Dimensions: 3.5 x 4.0 x 6.7 inches
Weight: 0.9 pounds
How to use
Connect the clamps or eyelets to the battery terminals, choose the appropriate battery mode when needed, and let the charger run the automatic charging or maintenance cycle. Use repair or force mode only as directed by the included guide.
Shipping & returns
If your order arrives damaged, defective, missing expected parts, or not as expected, contact Mayvnville support within 30 days and we will help with the next step.
Product clips

Watch the GENIUS1 Smart Battery Charger in real clips.

Mayvnville GENIUS1 Charger

  • ✓ Compact charger and maintainer for 6V/12V batteries
  • ✓ Supports common lead-acid and LiFePO4 battery types
  • ✓ Repair mode, force mode, and thermal compensation
  • ✓ Useful for cars, motorcycles, boats, RVs, and seasonal equipment

Basic charger

  • Less support for multiple battery chemistries
  • Fewer diagnostics and maintenance indicators
  • Less useful for deeply discharged batteries
  • Less precise charging in temperature swings
Questions & Support

Small charger, broad battery coverage.

Review the product gallery, details, and offer options before checkout. If your order arrives damaged, defective, missing expected parts, or not as expected, contact Mayvnville within 30 days and we will help with the next step.