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LiFe Battery 6.6V 3.4AH Like Lead Acid 6V Cell for Security Alarm Baby Car Toy

LiFe Battery 6.6V 3.4AH Like Lead Acid 6V Cell for Security Alarm Baby Car Toy

Regular price $21.62 USD
Regular price $24.86 USD Sale price $21.62 USD
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6.6V 3400mAh LiFePO4 Battery - Replace 6V Lead-Acid

Professional-grade 6.6V 3400mAh Lithium Iron Phosphate (LiFePO4) rechargeable battery designed to replace traditional 6V lead-acid batteries. Features compact size, lighter weight, longer cycle life, and superior performance. Perfect for security alarm systems, baby cars (ride-on toys), electronic toys, and backup power applications.

Key Features

  • Lead-Acid Replacement: Direct replacement for 6V lead-acid batteries
  • High Capacity: 3400mAh for extended runtime
  • 26650 Cells: Premium large-capacity cylindrical cells
  • Compact Size: 27mm × 53mm × 69mm
  • Lightweight: Only 215g vs ~800g for lead-acid (73% lighter)
  • Long Cycle Life: 2000+ charge cycles
  • Safe Chemistry: LiFePO4 thermal stability

Package Contents

  • 1× 6.6V 3400mAh LiFePO4 Battery Pack

Technical Specifications

Nominal Voltage 6.6V (2S configuration)
Capacity 3400mAh (3.4Ah)
Energy ~22.44Wh
Chemistry LiFePO4 (Lithium Iron Phosphate)
Cell Type 26650 Cylindrical
Configuration 2S1P (2 cells in series)
Dimensions 27mm × 53mm × 69mm
Weight ~215g
Charge Voltage 7.3V (3.65V per cell)
Discharge Cut-off 5.0V (2.5V per cell)
Cycle Life 2000+ cycles
Replaces 6V Lead-Acid / SLA batteries
Brand FMA
Condition Brand New

LiFePO4 vs 6V Lead-Acid Comparison

Feature This LiFePO4 Battery 6V Lead-Acid
Weight 215g ~800g
Size 27×53×69mm Larger & bulkier
Usable Capacity ~100% (3400mAh) ~50%
Cycle Life 2000+ cycles 300-500 cycles
Self-Discharge ~3% per month ~15% per month
Lifespan 5-10 years 1-3 years
Maintenance Zero maintenance Requires checks
Environmental Eco-friendly Contains toxic lead

Common Applications

  • Security Alarm Systems: Burglar alarms and security panels
  • Baby Cars (Ride-on Toys): Electric ride-on vehicles for children
  • Electronic Toys: Battery-powered children's toys
  • Emergency Lighting: Exit signs and emergency lights
  • Backup Power: Small UPS and backup systems
  • Solar Lights: Garden and pathway solar lighting
  • Medical Devices: Portable medical equipment
  • Access Control: Door locks and access systems

Why Upgrade to LiFePO4?

1. Dramatic Weight Reduction:

  • 73% lighter than lead-acid (215g vs 800g)
  • Easier for children to operate (baby cars)
  • Easier to handle and install
  • Better performance in portable applications

2. Compact Size:

  • 27mm × 53mm × 69mm - very compact
  • Fits in smaller spaces
  • Ideal for space-constrained applications
  • Perfect for toys and compact devices

3. Exceptional Lifespan:

  • 2000+ cycles vs 300-500 for lead-acid
  • Lasts 4-6 times longer
  • 5-10 year lifespan vs 1-3 years
  • Better long-term value

4. Superior Performance:

  • Stable voltage throughout discharge
  • Better speed and power for baby cars
  • Faster charging (2-3 hours vs 8-12 hours)
  • Works better in extreme temperatures

5. Maintenance-Free & Safe:

  • No water topping or acid checks
  • No corrosion or leakage
  • Safe for children's toys
  • Environmentally friendly

Safety Information

Charging: Use only LiFePO4-compatible chargers (7.3V for 2S). Do not use standard lead-acid chargers.

Storage: Store at 40-60% charge (6.0-6.5V) 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. LiFePO4 is non-toxic but should be recycled.

Children's Safety: Safe chemistry for baby cars and toys. Adult supervision recommended during charging.

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.

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