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Replace Lead Acid 6V 7AH Electronic Scale Security Alarm System Backup Power LiFePO4 6.4V 9-10.2Ah Li-Fe Rechargeable Battery
Replace Lead Acid 6V 7AH Electronic Scale Security Alarm System Backup Power LiFePO4 6.4V 9-10.2Ah Li-Fe Rechargeable Battery
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6.4V 9-10.2Ah LiFePO4 Battery - Replace 6V 7Ah Lead-Acid
Professional-grade 6.4V Lithium Iron Phosphate (LiFePO4) rechargeable battery designed to replace traditional 6V 7Ah lead-acid batteries. Available in two capacity options: 9000mAh (26650 3000mAh cells) or 10200mAh (26650 3400mAh cells). Features built-in PCM protection, lighter weight, longer cycle life, and superior performance. Perfect for electronic scales, security alarm systems, backup power, and emergency lighting.
Key Features
- Lead-Acid Replacement: Direct replacement for 6V 7Ah SLA batteries
- Two Capacity Options: 9000mAh or 10200mAh
- 26650 Cells: Large-capacity cylindrical cells for reliability
- PCM Protected: Built-in protection circuit
- Lightweight: ~570g vs ~1.3kg for lead-acid (56% lighter)
- Long Cycle Life: 2000+ cycles vs 300-500 for lead-acid
- No Charger Change: Usually works with existing 6V chargers
Package Contents
- 1× 6.4V LiFePO4 Battery Pack with PCM (capacity as selected)
Capacity Comparison
| Capacity | Cell Type | Weight | Runtime vs 9Ah | Best For |
|---|---|---|---|---|
| 9000mAh (9Ah) | 26650 3000mAh | 571g | Baseline | Standard replacement, cost-effective High rate discharging |
| 10200mAh (10.2Ah) | 26650 3400mAh | 566g | 13% longer | Extended runtime, maximum capacity |
Technical Specifications
| Nominal Voltage | 6.4V (2S configuration) |
| Capacity Options | 9000mAh (9Ah) / 10200mAh (10.2Ah) |
| Energy | ~57.6Wh (9Ah) / ~65.3Wh (10.2Ah) |
| Chemistry | LiFePO4 (Lithium Iron Phosphate) |
| Cell Type | 26650 Cylindrical |
| Configuration | 2S3P (2 series, 3 parallel) |
| Dimensions | ~27mm × 79mm × 135mm |
| Weight | 566-571g |
| Protection | PCM (Protection Circuit Module) |
| Charge Voltage | 7.3V (3.65V per cell) |
| Discharge Cut-off | 5.0V (2.5V per cell) |
| Cycle Life | 2000+ cycles |
| Replaces | 6V 7Ah Lead-Acid / SLA batteries |
| Condition | Brand New |
LiFePO4 vs 6V 7Ah Lead-Acid Comparison
| Feature | This LiFePO4 Battery | 6V 7Ah Lead-Acid |
|---|---|---|
| Weight | 566-571g | ~1300g |
| Capacity | 9-10.2Ah | 7Ah (3.5Ah usable) |
| Usable Capacity | ~100% | ~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
- Electronic Scales: Digital weighing scales and balances
- Security Alarm Systems: Burglar alarms and security panels
- Backup Power: UPS and emergency backup systems
- Emergency Lighting: Exit signs and emergency lights
- Medical Devices: Portable medical equipment
- Access Control: Door locks and access systems
- Fire Alarms: Fire detection and alarm systems
- Solar Systems: Small solar power storage
Why Upgrade to LiFePO4?
1. Dramatic Weight Reduction:
- 56% lighter than lead-acid (570g vs 1300g)
- Easier to handle and install
- Reduces strain on mounting brackets
- Perfect for portable applications
2. Higher Actual Capacity:
- 9-10.2Ah vs 7Ah nominal (lead-acid)
- 100% usable vs 50% for lead-acid
- Longer runtime between charges
- Better backup duration
3. Exceptional Lifespan:
- 2000+ cycles vs 300-500 for lead-acid
- Lasts 4-6 times longer
- 5-10 year lifespan vs 1-3 years
- Lower total cost of ownership
4. Maintenance-Free:
- No water topping required
- No acid leakage or corrosion
- Can be installed in any orientation
- Set it and forget it
5. Better Performance:
- Stable voltage throughout discharge
- Faster charging (2-4 hours vs 8-12 hours)
- Better performance in extreme temperatures
- Lower self-discharge (3% vs 15% per month)
Installation & Compatibility
Voltage Compatibility:
- 6.4V nominal is compatible with 6V systems
- Voltage range: 5.0V (empty) to 7.3V (full)
- Most 6V devices accept 5-8V input range
- Verify your device specifications before replacing
Physical Installation:
- Check battery compartment dimensions
- LiFePO4 may be smaller/lighter than original lead-acid
- Secure battery to prevent movement
- Ensure proper ventilation (though LiFePO4 produces no gas)
Charger Compatibility:
- Built-in PCM usually allows use of existing 6V chargers
- PCM protects against overcharge
- For best results, use LiFePO4-compatible charger (7.3V)
- Avoid chargers above 8V
Safety Information
Charging: Built-in PCM allows use of most 6V chargers. For optimal performance, use LiFePO4-compatible charger (7.3V).
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.
PCM Protection: Built-in Protection Circuit Module guards against overcharge, over-discharge, overcurrent, and short circuit.
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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