HKD 1×18650 Battery Holder & Charger Board V3 with Cable

The HKD 1×18650 Battery Holder/Charger Protection Board V3 is a compact and efficient solution for powering and charging a single 18650 lithium battery. With a Micro USB input and a USB Type-A output, this module is perfect for DIY power banks, portable projects, and embedded systems. The board features built-in overcharge and discharge protection to keep your battery safe.

LED indicators provide clear charging status: red for charging, green for full. The included cable makes it easy to get started right away.

Features:

• Supports 1×18650 lithium battery (not included)
• Micro USB input for charging
• USB Type-A output for powering devices
• 0.5A charging current
• Dual output: 3V 1A ×3 & 5V 4A ×3
• LED charge status indicator (Red = charging, Green = full)
• Onboard switch to control USB output
• Compact size: 9.8 × 2.9 cm
• Built-in battery protection against overcharge/discharge

Specifications:

• Input Voltage: 5-8V
• Charging Current: 0.5A
• Output Voltage: 3V & 5V
• Max Output Current: up to 4A (5V output)
• Size: 98 × 29 mm

Note: Follow the + / - polarity marks when inserting the battery. Incorrect placement may permanently damage the charging chip.

What's in the box
1 × 18650 Battery Holder/Charger Protection Board V3
1 × USB Cable