🔋 4.0V 850mAh Sealed Lead Acid (SLA) Rechargeable Battery

📌 Product Overview

The 4.0V 850mAh Sealed Lead Acid (SLA) Rechargeable Battery is a compact and reliable power source designed for low-voltage electronic devices and backup applications. Built with sealed maintenance-free technology, this battery provides stable output voltage, long service life, and safe operation.

It is ideal for emergency lights, small UPS systems, toys, security devices, and DIY electronics projects.

⚙️ Key Features

• ✅ Rated Voltage: 4.0 Volts

• ✅ Capacity: 850mAh

• ✅ Sealed Lead Acid (SLA) technology

• ✅ Maintenance-free & leak-proof design

• ✅ Rechargeable and reusable

• ✅ Stable and reliable DC output

• ✅ Compact and lightweight

• ✅ Long service life

• ✅ Good deep discharge recovery

🔧 Technical Specifications

🔌 Charging Information

• Recommended Charging Voltage: 4.8V – 5.0V

• Use appropriate SLA battery charger

• Avoid overcharging or deep discharge

• Charge in well-ventilated area

🎯 Applications

• 🔦 Emergency lights

• 🚨 Security alarm systems

• 🧸 Rechargeable toys

• 🔌 Small UPS backup systems

• 🔋 Portable electronic devices

• 🧪 DIY electronics projects

• 📻 Small radio or audio devices

💡 Advantages

• Reliable backup power source

• Spill-proof and safe operation

• Long shelf life

• Cost-effective solution

• Easy installation

📦 Package Includes

• 1 × 4.0V 850mAh Sealed Lead Acid Rechargeable Battery

⚠️ Safety Precautions

• Do not short circuit terminals

• Avoid overcharging

• Keep away from fire and high heat

• Do not open or dismantle battery

• Dispose properly according to local regulations