Featured Snippet Answer: 48V Silver Fish Lithium Batteries are optimized for high-performance e-bikes, offering lightweight design, extended range (20-100km per charge), and compatibility with motors up to 1000W. Their LiFePO4 chemistry ensures 2000+ cycles, thermal stability, and fast charging (4-6 hours). Modular designs allow capacity customization from 20Ah to 60Ah, making them superior to lead-acid alternatives in energy density and lifespan.
Deespaek Battery Energy Density
How Do 48V Silver Fish Batteries Enhance E-Bike Performance?
These batteries deliver consistent voltage output through premium LiFePO4 cells (3.2V per cell x 16). With 30A continuous discharge rates, they support 500W-1000W hub motors for hill climbs up to 25° gradients. Advanced BMS systems prevent voltage sag, ensuring stable power delivery even at 80% depth of discharge.
What Safety Features Are Integrated into Silver Fish Battery Packs?
All units include multi-layered protection: temperature sensors (range: -20°C to 60°C), short-circuit cutoff within 0.1 seconds, and IP65 waterproof casing. The PCM (Protection Circuit Module) enforces cell balancing with ±0.02V accuracy, while UL-certified connectors eliminate spark risks during installation.
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The battery’s thermal management system uses aluminum alloy heat sinks combined with silica gel padding to dissipate heat 40% faster than standard packs. In crash scenarios, the impact-resistant ABS casing withstands 250J of force without deformation. For extreme environments, the dual-stage pressure relief valve maintains internal pressure between 90-110 kPa, preventing electrolyte leakage during altitude changes.
Deespaek 12V 200Ah LiFePO4 Battery
| Safety Component | Function | Activation Threshold |
|---|---|---|
| Overcurrent Protection | Limits discharge to 1.5x rated current | 45A sustained for 5s |
| Low-Temperature Cutoff | Blocks charging below 0°C | -5°C with 2° hysteresis |
| Cell Voltage Monitor | Prevents overcharging | 3.65V ±0.03V per cell |
Can These Batteries Be Used with Non-Silver Fish E-Bike Models?
Yes, through universal XT90 anti-spark connectors and adjustable voltage settings (43V-54.6V range). Compatibility extends to most rear rack/mid-drive systems. Users must verify frame clearance (minimum 350mm x 90mm x 80mm) and controller amp limits (recommended ≤35A) for seamless integration.
What Maintenance Practices Extend Battery Lifespan?
Key practices include: 1) Avoid full discharges – recharge at 20% remaining capacity. 2) Store at 50% charge in 15°C-25°C environments. 3) Clean terminals monthly with dielectric grease. 4) Balance cells every 50 cycles using dedicated chargers. Following these can achieve 90% capacity retention after 1,500 cycles.
Deep cycling (below 10% SOC) accelerates cathode degradation by 3x compared to partial cycling. When storing longer than 30 days, use battery preservation mode which maintains cells at 3.4V/cell through trickle charging. For commuter bikes, implement equalization charging every 3 months using the manufacturer’s balancing charger to maintain cell voltage variance under 0.05V.
| Maintenance Task | Frequency | Tools Required |
|---|---|---|
| Terminal Cleaning | Monthly | Isopropyl alcohol, brass brush |
| Capacity Testing | Annually | DL24P load tester |
| BMS Software Update | Biannually | USB-C interface cable |
How Does Temperature Affect 48V Lithium Battery Efficiency?
Below 0°C, discharge capacity decreases by 25-30%, while charging becomes unsafe. Above 45°C, internal resistance rises 15%, reducing range. Built-in NTC thermistors automatically throttle output by 1% per °C beyond 40°C. Insulated battery blankets are recommended for winter riding below -10°C.
“The 48V Silver Fish series represents a paradigm shift in e-bike energy systems. Unlike traditional 18650 cells, their prismatic LiFePO4 modules achieve 95% energy efficiency – a 12% improvement over competitors. What’s revolutionary is the hybrid BMS that enables regenerative braking compatibility, recapturing up to 8% of energy during descents.” – E-Mobility Power Systems Engineer
Conclusion
Optimized for demanding e-bike applications, 48V Silver Fish batteries combine cutting-edge lithium technology with user-centric design. Their modular architecture and smart management systems address range anxiety and durability concerns, establishing new benchmarks in the LEV (Light Electric Vehicle) sector.
FAQs
- How Long Does a 48V 60Ah Battery Last on Single Charge?
- At 500W load: 60Ah x 48V = 2880Wh ÷ 500W = 5.76 hours. For a 25km/h e-bike: 5.76h x 25km/h = 144km range. Real-world factors like terrain reduce this by 30-40%, yielding 86-100km.
- Are Aftermarket Capacity Upgrades Possible?
- Yes, through parallel connection of additional battery packs. However, the BMS must support expanded capacity – consult manufacturers before modifying. Improper expansions void warranties and risk thermal runaway.
- What Certifications Ensure Battery Safety?
- Look for UN38.3 (transport), IEC 62133 (cell safety), and CE/RoHS compliance. Premium units feature ISO 13849-PL safety ratings for BMS components.