The XTAR SC1 charges 3.6V/3.7V lithium cells at a genuine 2A rate using a Micro USB connection, making it compatible with USB wall adapters, power banks, solar panels, and any other 5V/2.1A USB source. It accepts 18650, 18700, 20700, 21700, 22650, 25500, and 26650 format batteries.

Built-in protections cover reverse polarity, short circuit, overload, and overheating, and an LED indicator shows charge status at a glance. The compact 35×105×39mm body and 37g weight make it straightforward to carry and store.

Key Features

• Genuine 2A charge current — charges a VTC5 cell fully in 1.25 hours
• Micro USB input port compatible with USB 5V power sources
• Accepts 7 lithium formats: 18650, 18700, 20700, 21700, 22650, 25500, 26650
• LED charge status indicator
• Reverse polarity, short circuit, overload, and overheating protection

Product Benefits

• 2A charge rate cuts charge time compared to 1A single-cell chargers
• Micro USB connectivity means any USB wall plug, power bank, or solar panel can power the charger — no proprietary adapter required
• Wide cell format support covers the most common high-drain lithium sizes
• Automatic cut-off at 4.2V ±0.05V prevents overcharging and extends cell life
• Multiple protection circuits reduce risk of damage to both charger and battery

Technical Specifications

• Compatible Battery Voltages: 3.6V / 3.7V
• Compatible Cell Formats: 18650, 18700, 20700, 21700, 22650, 25500, 26650
• Power Input: DC 5V 2.1A (Micro USB)
• Charge Current: 2A × 1 slot
• Charge Cut-off Voltage: 4.2V ± 0.05V
• Operating Temperature: 0–40°C
• Dimensions: 35×105×39mm
• Weight: 37g

Why You'll Love It

• Micro USB port works with the same cables used for phones and tablets — nothing new to buy
• Fast 2A charge means less waiting, even with high-capacity 21700 cells
• Compact dimensions and light 37g weight fit easily in a bag or toolkit
• Package includes 1× XTAR SC1 battery charger 2A / 3.6V/3.7V