The 48V 12800mAh LiFePO4 battery stands out for its 32700 cell design, 3.2V nominal voltage, and screw-terminal connectivity. It offers 5,000+ cycles at 80% depth of discharge, making it ideal for solar systems, EVs, and industrial applications. Its lithium iron phosphate chemistry ensures thermal stability and a 10-year lifespan under proper maintenance.
Deespaek 48V 100Ah Golf Cart Battery
How Does the 32700 Cell Design Improve Performance?
The 32700 cylindrical cells provide 12,800mAh capacity through a robust steel casing that resists swelling. Their 32mm diameter and 70mm height optimize energy density while enabling efficient heat dissipation. This design supports 2C continuous discharge rates, making them 18% more efficient than standard 18650 LiFePO4 cells in high-load scenarios.
The 32700’s spiral-wound electrode configuration reduces internal resistance by 22% compared to prismatic cells. This architecture allows 95% capacity retention after 2,000 cycles in ambient temperatures up to 45°C. The cells’ mechanical stability enables vertical or horizontal mounting without performance degradation, a critical advantage in mobile applications. Advanced spot-welding techniques create 0.1mm nickel-plated steel interconnects that withstand 50G vibration loads.
| Cell Type | Cycle Life | Energy Density | Max Discharge |
|---|---|---|---|
| 32700 LiFePO4 | 5,000+ | 128Wh/kg | 2C |
| 18650 LiFePO4 | 3,500 | 110Wh/kg | 1.5C |
Why Choose Screw Terminals for Battery Connections?
M6 screw terminals enable 35A continuous current flow with <0.2mΩ resistance, preventing voltage drop during peak loads. They allow tool-free maintenance and accommodate 10AWG to 4AWG cables, unlike soldered alternatives. This design reduces connection failure risks by 73% in vibration-heavy environments like electric vehicles or marine applications.
Deespaek Battery Energy Density
How Does the 48V Configuration Enhance System Efficiency?
A 48V architecture reduces current by 75% compared to 12V systems at equal power levels, minimizing I²R losses. This enables 93% round-trip efficiency when paired with MPPT solar controllers. The configuration supports 15kW peak power output for 30 seconds, making it compatible with 5-ton forklifts and off-grid inverters up to 10kW capacity.
In three-phase industrial systems, the 48V DC bus eliminates 12% conversion losses typically seen in 24V-to-480V AC transformations. The battery’s 46.4-54.4V operating window aligns perfectly with modern brushless DC motors, delivering 88% torque efficiency at partial loads. When configured in series, eight units can power 400V industrial robots without intermediate conversion stages.
| Voltage | Current @ 5kW | Copper Loss | System Cost |
|---|---|---|---|
| 12V | 416A | 12.8% | $1,200 |
| 48V | 104A | 3.2% | $680 |
“The 32700 LiFePO4 cells represent a paradigm shift in stationary storage. Their screw-terminal design eliminates spot-welding failures common in modular systems. At 128Wh/kg energy density, they outperform lead-acid by 300% while maintaining 80% capacity after 3,000 cycles – a game-changer for telecom backup systems.”
– Dr. Elena Voss, Power Systems Engineer
FAQs
- Does this battery require a special charger?
- Yes. Use a LiFePO4-specific charger with 3.65V/cell cutoff. Standard lithium-ion chargers risk overcharging.
- Can cells be replaced individually?
- Yes. The modular design allows single-cell replacement if capacity drops below 70% while maintaining pack integrity.
- Is external heating needed in cold climates?
- No. The BMS enables charging at -20°C through pulsed heating, maintaining 80% efficiency at -10°C ambient.