Weight Swatter Electronic Scales Li-ion Battery 4V 4.4-8.8AH DIY SLA cell FMA

4V Li-ion Battery 4.4-8.8Ah - Electronic Scales & Swatter DIY Battery Pack

Professional-grade 4V (3.6V-4.2V) lithium-ion rechargeable battery available in three capacities: 4.4Ah, 6.6Ah, and 8.8Ah. Designed for electronic scales, electric swatters, and various 4V applications. Features compact size, lightweight design, and superior performance compared to traditional SLA batteries. Perfect for DIY battery pack projects and device replacements.

Key Features

• Three Capacity Options: 4.4Ah, 6.6Ah, 8.8Ah - choose based on your needs
• SLA Replacement: Replaces 4V sealed lead-acid batteries
• 18650 Cells: Premium lithium-ion cells
• Compact Size: 47mm × 47mm × 100mm
• Lightweight: 157-200g depending on capacity
• Long Cycle Life: 500+ charge cycles
• DIY Friendly: Easy to integrate into projects

Package Contents

• 1× 4V Li-ion Battery Pack (capacity as selected)

Technical Specifications

Capacity Comparison

Common Applications

• Electronic Scales: Digital weight scales and weighing equipment
• Electric Swatters: Rechargeable electric fly/mosquito swatters
• Portable Devices: 4V portable electronic devices
• DIY Projects: Custom battery pack projects
• SLA Replacement: Replace 4V sealed lead-acid batteries
• Backup Power: Small 4V backup applications

Why Choose Li-ion Over SLA?

1. Lightweight Design:

• Much lighter than equivalent SLA batteries
• Perfect for portable devices like swatters
• Easier to handle and install

2. Longer Runtime:

• Higher usable capacity than SLA
• Stable voltage throughout discharge
• Better performance for electronic scales

3. Longer Lifespan:

• 500+ cycles vs 200-300 for SLA
• Lasts 2-3 times longer
• Better long-term value

4. Faster Charging:

• Charges in 2-4 hours
• Much faster than SLA batteries
• Less downtime

5. Maintenance-Free:

• No maintenance required
• No leakage or corrosion
• Safe for indoor use

Charging Information

Recommended Chargers:

• Use 4.2V Li-ion charger (recommended)
• 5V charger can also be used (slower charging)
• Do NOT use standard 6V or higher chargers
• Charging time: 2-4 hours depending on capacity

Charging Tips:

• Charge at room temperature (10-40°C)
• Do not overcharge (use proper Li-ion charger)
• Unplug when fully charged
• Store at 40-60% charge for long-term storage

Safety Information

Charging: Use only 4.2V Li-ion chargers or 5V chargers. Do not use higher voltage chargers.

Storage: Store at 40-60% charge in cool, dry place.

Operation: Do not short-circuit, puncture, crush, or disassemble the battery.

Temperature: Charge: 0-45°C, Discharge: -20-60°C, Storage: -20-35°C.

Disposal: Dispose according to local regulations. Recycle lithium-ion batteries properly.

DIY Use: Ensure proper connections and polarity when integrating into projects.

Shipping & Transportation Notice

Hazardous Material: This product contains lithium batteries and is classified as dangerous goods for shipping purposes.

Air Transport Restrictions: Due to international air transport regulations, battery shipments may be subject to additional restrictions and longer transit times.

Packaging Compliance: All shipments comply with UN3480 or UN3481 packaging requirements for lithium batteries.

Delivery Time: Battery-containing parcels may experience extended delivery times due to stricter customs inspections and carrier handling procedures.