YONHAN 12V/24V Adjustable Battery Charger 0.5–15A — Smart 10-Stage Protection, Pulse Repair

The YONHAN Battery Charger 0-15A is a versatile 12V/24V smart charger that adjusts current from 0.5A to 15A, recovers deeply discharged batteries, and maintains batteries with a 10-stage safety system.

Designed for home garages, workshops and mobile use, this compact YONHAN unit handles a broad variety of lead-acid and LiFePO4 chemistries. Its adjustable current range and specialized modes let you charge small motorcycle batteries at low current, top up car batteries at medium rates, and deliver higher current for heavy-duty batteries in RVs, trucks or marine applications. Built-in protections and intelligent charging stages keep batteries conditioned without frequent manual monitoring.

How does the adjustable current help with different vehicles?

Being able to pick a charging current from 0.5A to 15A lets you match the charger to the battery size and type, avoiding under- or overcharging. Low amperage is suitable for small batteries and long-term maintenance, while higher amperage shortens charging time for large capacity batteries.

• 0.5A setting for motorcycles, scooters and small chargers
• 5–10A settings for passenger cars and light trucks
• Up to 15A for RVs, commercial trucks and large deep-cycle batteries
• Adjustable current gives control for delicate chemistries like LiFePO4

What makes SUPPLY mode useful for deeply discharged batteries?

SUPPLY mode allows the YONHAN charger to act as a stable 12V power source and to revive batteries that have dropped to very low voltages. This mode supports recovery efforts and provides a reliable DC supply for diagnostics or when swapping batteries during maintenance.

• Recovers batteries down to 0 volts that many chargers won’t detect
• Provides steady 12V power for vehicle diagnostics and accessory use
• Useful during battery replacement to power electronics safely

Can this charger improve older batteries and extend service life?

Equipped with pulse repair technology, the charger targets sulfation—a common cause of capacity loss in lead-acid batteries. Regular use of the repair cycle can help break down deposits and restore charge acceptance, improving start reliability and reducing the need for premature replacements.

• Pulse repair reduces sulfate buildup on battery plates
• Restores charging efficiency for neglected or idle batteries
• Helps maintain usable battery capacity and reduce replacement frequency

How does the unit protect batteries and ensure safe operation?

The YONHAN charger features a 10-stage charging routine with multiple safety layers, so charging progresses automatically while guarding against common faults. Temperature compensation and protections for reverse polarity, short circuits and overcharge help preserve battery health across conditions.

• Reverse polarity and short-circuit protection prevent misuse damage
• Overcharge protection and smart trickle/maintainer modes avoid battery stress
• Temperature compensation adapts charge profile to ambient conditions

Who is this for: The YONHAN 0–15A 12V/24V charger is aimed at homeowners, DIY mechanics and small fleet operators who need one reliable unit to service motorcycles, cars, trucks, RVs and marine batteries. It’s also suited for workshops that manage mixed battery chemistries and want a charger that can both revive weak batteries and keep seasonal vehicles on standby without overcharging.