🔋 18650 Button Top Li-ion Battery 🔋
(3.7V 9900mAh High Capacity)
✔ Premium Performance
• Designed for high-drain devices
• Button top (+) contact design
• Not compatible with flat top devices
⚡ Key Advantages
✅ Extended Runtime - 9900mAh high capacity
✅ Stable Power - Consistent 3.7V output
✅ Long Lifespan - 1000+ charge cycles
✅ Built-in Protection - Safe and reliable
📐 Technical Specifications
• Type: Rechargeable Li-ion
• Size: Standard 18650 (18×65mm)
• Weight: Approx. 45g
• Temperature Range: -20°C to 60°C
🔌 Smart Charger Options
2-Slot/4-Slot Charger Features:
• Intelligent LED indicators (Red=Charging, Green=Full)
• Auto shut-off when fully charged
• Fast charging capability
• Input: DC5V 1-3A / Output: DC4.2V 1000mA
• Universal compatibility (18650/16650/14500 etc.)
• Multiple safety protections
🛠 Ideal For:
• High-power flashlights & work lights
• Power tools & DIY equipment
• Emergency lighting systems
• Portable electronic devices
📦 Packaging Options
• Battery only
• Battery + Charger set
⚠ Important Safety Notes
✖ Not for flat top battery devices
✖ Do not mix with other battery types
✖ Avoid water exposure and extreme temperatures
✔ Store at room temperature