AUTTGINN Multi‑Voltage Battery Charger 6–24V (8‑Stage, 14A) Compact Smart Charger with LCD

Compact smart charger that automatically detects and charges 6V–24V lead‑acid batteries with an intelligent 8‑stage charging cycle and up to 14A output.

This AUTTGINN multi‑voltage battery charger adapts charging voltage and current to maintain and restore common lead‑acid battery types (AGM, GEL, STD). A microprocessor controls an 8‑stage routine—desulphation through automatic stop—while a backlit LCD shows progress and settings. The unit supports a wide range of small vehicle and equipment batteries, offers manual override for specific voltages, and includes fan control and safety protections for stable operation across normal ambient temperatures.

How does this charger handle different battery voltages?

The charger senses battery voltage on connection and selects the correct charging profile automatically, or you can set the target voltage manually using the front buttons. It supports 6V, 8V, 12V, 14V, 16V and 24V lead‑acid batteries and manages current delivery to suit each battery size.

• Automatic voltage detection when clamps connect to the battery.
• Manual selection available for specific needs (e.g., choose 8V for 6×8V golf cart configurations).
• Maximum charging current up to 14A for faster recharge on suitable batteries.
• LCD shows selected voltage and charging progress percentages.

What charging stages and protections are included?

The built‑in microprocessor runs an 8‑stage sequence to condition, charge and maintain batteries safely without overcharging. Safety features include thermal management, controlled current ramps, and an automatic end stage to stop charging when the battery is full.

• 8 stages: desulphation, soft start, bulk, absorption, float, battery test, recondition, and automatic stop.
• Intelligent fan speed adjustment during pulse and heavy charge phases.
• Displays charge progress in 25% increments to monitor status.
• Operates reliably between about 0°C and 40°C (32°F–104°F).

Which batteries and vehicles is this charger suitable for?

Designed for lead‑acid chemistries only (AGM, GEL, and flooded/standard), this charger works well for automotive, powersports, and light utility applications. It is not intended for lithium battery chemistries or completely frozen/irreversibly damaged cells.

• Compatible with cars, motorcycles, ATVs, lawn mowers, snowmobiles, RVs and vintage/antique vehicles.
• Can service multi‑battery golf cart banks using appropriate series configurations (e.g., 6×8V).
• Includes a recovery attempt mode for weak batteries, but cannot revive a truly dead or frozen pack.
• Manual override lets you force the charger to a desired voltage for special setups.

How fast and convenient is charging with this unit?

With up to 14 amps available the charger can replenish many small to medium automotive batteries in several hours while switching to a maintenance float to preserve charge. The LCD and status indicators simplify monitoring so you can leave the charger connected without constant supervision.

• High‑current 14A mode for quicker recharge when appropriate.
• Automatic float/maintenance stage keeps batteries topped up after full charge.
• Clear LCD readout and progress indicators (25%, 50%, 75%, 100%).
• Power switch for safe disconnection and to prevent parasitic drain while not in use.

Who this is for: The AUTTGINN multi‑voltage smart charger is a practical choice for hobbyists, repair shops, fleet operators, and owners of classic cars or powersports equipment who need flexible charging for different lead‑acid batteries. If you want an intelligent, hands‑off charger that conditions and maintains batteries across several voltages—while offering manual control for special cases—this unit provides a balance of safety features, diagnostics, and charging power. Avoid using it with lithium battery packs or frozen/irreparably damaged batteries.