The HRG B3 Plus is a compact 20W smart charger designed for 2S and 3S LiPO and LI-ION batteries. It features a built-in power supply with universal 100–240V compatibility, making it ideal for use anywhere in the world.
Charge your 3S batteries at 1.6A or 2S batteries at 2.0A with reliable, consistent performance. The automatic charge start function eliminates manual intervention, while intelligent safety mechanisms protect against overcharging and short circuits.
Simple to operate and trusted by RC enthusiasts and hobbyists, the B3 Plus combines ease of use with dependable charging technology in a space-saving design.
When you charge a 2S battery, two cells will show red (not charged) until the battery is fully charged. When charging a 3S battery, three lights will show red until the battery is fully charged. When the battery is fully charged, all lights will be green.
