GENIUS10 Smart Battery Charger

A 10A smart charger and maintainer for 6V/12V batteries, with automatic charging, repair mode, diagnostics, thermal compensation, and force mode for deeply discharged batteries.

Why customers buy it

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Description

A 10A smart battery charger and maintainer for 6V/12V vehicle batteries, built for cars, trucks, motorcycles, boats, RVs, powersports, lawn equipment, and seasonal battery care.

10A smart charging for 6V and 12V batteries
Compatible with lead-acid, flooded, gel, AGM, SLA, VRLA, maintenance-free, and LiFePO4 batteries shown in source details
Automatic charging, maintenance, repair mode, and diagnostics
Force mode can charge deeply discharged batteries down to 0 volts according to the source listing
Integrated thermal sensor helps adjust charging for hot and cold conditions

Why customers love it

Dead batteries are easier to prevent than rescue. This charger is built for year-round battery care across cars, motorcycles, boats, RVs, lawn equipment, powersports, and seasonal vehicles, with automatic charging, maintenance, diagnostics, repair mode, and thermal compensation.

Specifications

Model shown: GENIUS10
Output current: 10A
Voltage compatibility: 6V / 12V
Battery compatibility: sealed lead-acid, flooded, gel, AGM, SLA, VRLA, maintenance-free, lithium-ion LiFePO4
Dead battery charging: as low as 1 volt; force mode down to 0 volts per source listing
Modes/features: automatic charging, repair mode, supply mode, year-round maintenance
Diagnostics: high voltage, bad battery, reverse polarity, standby mode, temperature
Thermal sensor: integrated digital thermal sensor
Dimensions: 4.4 x 4.4 x 8.9 inches
Weight: 3.9 pounds

How to use

Connect the charger clamps or eyelets to the battery terminals, select the correct battery mode when needed, and let the charger handle the charging and 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 GENIUS10 Smart Battery Charger in real clips.

Mayvnville Smart Battery Charger

✓ 10A charging for 6V and 12V batteries
✓ Automatic maintainer for year-round battery care
✓ Repair mode, diagnostics, and thermal compensation
✓ Works across cars, boats, RVs, motorcycles, and powersports batteries

Basic trickle charger

Less diagnostic feedback
May not support as many battery types
Less helpful with deeply discharged batteries
Less precise charging in hot or cold conditions

Questions & Support

Battery care for the whole garage.

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.