• 21V 3A Li-ion Battery Charger front view with LED indicator

    21V 8A Li-ion Battery Charger for 5S 18.5V Battery Packs

    21V 8A Li-ion Battery Charger for 5S 18.5V Battery Packs

    Features:

    • Intelligent multi-stage charging: Pre-charge, CC (constant current), CV (constant voltage), and automatic cut-off

    • Dual-color LED indicator: real-time status display (charging/full)

    • Comprehensive protections: OVP (over-voltage), OCP (over-current), short-circuit, reverse polarity protection

    • 100-240V AC input, global voltage compatibility

    • Lightweight and compact design, efficient heat dissipation

    • OEM/ODM customization available

    • Certified by CE, RoHS, FCC, UL (varies by model)

    • Ideal for: electric tools, e-bikes, LED systems, RC drones, robotics, and 5S 18.5V lithium-ion battery applications