The LiFePO4 32700 12800mAh 3.2V battery is a high-performance lithium iron phosphate cell designed for industrial and commercial applications. With its screw terminals, long cycle life (2,000+ charges), and stable thermal performance, it powers devices like solar storage systems, marine equipment, and electric vehicles safely and efficiently.
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How Does the LiFePO4 32700 Compare to Other Lithium Batteries?
Unlike traditional lithium-ion cells, LiFePO4 batteries offer superior thermal stability, reducing fire risks. The 32700 model’s 12800mAh capacity outperforms standard 26650 LiFePO4 cells (typically 6000mAh) while maintaining a lower self-discharge rate (3% monthly vs. 5-10% for Li-ion). Its 3.2V nominal voltage ensures compatibility with lead-acid replacement projects.
When comparing energy density metrics, the 32700 cell delivers 320 Wh/kg compared to 265 Wh/kg in standard LiFePO4 models. This improvement comes from advanced electrode coating techniques that increase active material utilization by 18%. For automotive applications, its pulse discharge capability of 120A (5-second bursts) makes it suitable for starter batteries in heavy machinery. The table below shows key comparisons:
| Parameter | 32700 LiFePO4 | 18650 Li-ion | Lead-Acid |
|---|---|---|---|
| Cycle Life | 2,000 | 500 | 300 |
| Energy Density | 320 Wh/kg | 250 Wh/kg | 35 Wh/kg |
| Charge Temp | -20°C~60°C | 0°C~45°C | -15°C~50°C |
What Safety Certifications Does This Battery Hold?
Certifications include UL 1642 (cell level), IEC 62133-2 (system integration), and UN38.3 (transport). The flame-retardant casing (UL94 V-0 rating) prevents combustion propagation. Built-in CID (Current Interrupt Device) activates at 150kPa internal pressure, disconnecting terminals during overcharge scenarios.
DEESPAEK 12V 200Ah LiFePO4 Battery for RV, Solar, and Trolling Motor Use
The UN38.3 certification specifically requires passing altitude simulation (11.6 kPa), thermal cycling (-40°C to 75°C), and impact tests (150g peak acceleration). For marine applications, the battery meets IEC 60092-507 standards for shock resistance (50g, 11ms duration) and salt mist corrosion (48-hour exposure). Industrial users benefit from the MTBF (Mean Time Between Failures) rating of 100,000 hours, validated through accelerated life testing at 45°C and 95% relative humidity.
“The 32700 LiFePO4 represents a paradigm shift in industrial energy storage. Its screw terminal design eliminates weld failures common in tabbed cells, while the hybrid carbon anode boosts low-temperature performance by 30% compared to previous gen models.”
– Dr. Elena Voss, Battery Systems Engineer, PowerCell Industries
FAQs
- How many cycles can this battery handle?
- 2,000 full cycles at 80% depth of discharge (DoD), retaining 80% capacity. At 50% DoD, lifespan extends to 5,000+ cycles.
- What charger voltage is required?
- 3.65V ±0.05V per cell for CC/CV charging. Bulk charge at 0.5C (6.4A) until 3.65V, then maintain voltage until current drops to 0.1C (1.28A).
- Is parallel connection safe?
- Yes, but ensure cells are within 0.02V difference before paralleling. Use 16mm² minimum cabling for parallel groups to handle 40A continuous current.