4-Slot 18650 Battery Charger BH-042100-04U

BH-042100-04U is a USB-powered charger designed for charging multiple Li-ion cylindrical batteries. The device features four independent charging slots, allowing batteries to be charged separately without affecting each other.

The charger operates from a standard 5V USB power source and automatically stops charging when the battery reaches full capacity to prevent overcharging. A two-color LED indicator displays the charging status for each slot.

Technical Specifications

• Model: BH-042100-04U
• Charger type: Li-ion battery charger
• Number of slots: 4 independent slots
• Input voltage: DC 5V (USB)
• Input current: 1–2 A
• Output voltage: 4.2 V DC
• Charging current: 1000 mA
• Charging cut-off voltage: 4.23 V
• Charging termination: automatic when fully charged
• Charging indicator:
• Red – charging
• Green – fully charged
• Dimensions: 90 × 30 × 122 mm
• Weight: 106 g

Compatible Battery Types

• 10440
• 14500
• 14650
• 16340
• 16650
• 18350
• 18500
• 18650