LD Series Lithium-Ion Battery Pack Solutions for Speakers
| Model | LD16500-1S2P | LD16500-2S1P | LD16500-1S3P | LD16500-3S1P |
|---|---|---|---|---|
| Configuration | 1S2P | 2S1P | 1S3P | 3S1P |
| Nominal Voltage (V) | 3.7 | 7.4 | 3.7 | 11.1 |
| Capacity (mAh) | 2,400 | 2,400 | 7,200 | 2,400 |
| Energy (Wh) | 8.88 | 17.76 | 26.64 | 26.64 |
| Full Charge Voltage (V) | 4.2 | 8.4 | 4.2 | 12.6 |
| Max Continuous Load (A) | 4A | 4A | 12A | 4A |
| Dimensions (L×W×H) | 52×32.5×17.5mm | 104×32.5×17.5mm | 52×97.5×17.5mm | 156×32.5×17.5mm |
| Cycle Life | 600 cycles | 500 cycles | 800 cycles | 700 cycles |
| Protection Features | OCP/OVP/SCP | OCP/OVP/OTP | OCP/OVP | OCP/OVP/OTP |
| Operating Temp | -10°C~60°C | -10°C~60°C | -20°C~60°C | -10°C~55°C |
| Warranty | 12 months | 12 months | 12 months | 12 months |
(OCP=Over-current, OVP=Over-voltage, SCP=Short-circuit, OTP=Over-temperature Protection)
Retains ≥80% capacity after 600 cycles at 1C discharge rate (25°C ambient)
LD95565-1S3P Lithium-ion Battery Pack: Optimized Power Solution for Speakers
Core Technical Features
- Cell Architecture
- 1-series, 3-parallel configuration with premium 18650 Li-Ion cells
- Ultra-low internal resistance (<25mΩ) for high-efficiency discharge
- Laser-welded nickel-plated steel interconnects
- Safety Assurance
- Quad-protection PCB:
- Overcharge cutoff: 4.25V (±0.05V)
- Over-discharge cutoff: 2.5V (±0.1V)
- Short-circuit response: <0.15ms
- OTP triggers at 75°C
- Flame-retardant casing (UL94 V-0 rated)
- Quad-protection PCB:
- Mechanical Design
- Reinforced ABS+PC housing with IP54 dust/water resistance
- Anti-vibration cell fixation technology
- Integrated mounting slots for easy installation
Validated Performance
- Stress Testing:
- 1,000+ cycles at 0.5C rate (25°C ambient)
- 48-hour thermal shock test (-20°C↔60°C)
- 10G shock resistance (MIL-STD-810G compliant)
- Standards Compliance:
- IEC 62133-2:2017
- UN 38.3
- CE/RoHS 3
Application-Specific Engineering
- Device Compatibility
- Optimized for high-drain portable devices (e.g., drones, power banks)
- Supports 10A pulse discharge (3-sec duration)
- Integration Support
- Pre-installed XT30 connector (optional USB-C/PD)
- Dual NTC thermistors (±0.5°C accuracy)
- 3D CAD models available for enclosure design
Competitive Advantages
| Metric | LD95565-1S3P | Industry Average |
|---|---|---|
| Energy Density | 265Wh/kg | 200-230Wh/kg |
| Charge Time (0-100%) | 2.5hrs (0.5C) | 3-4hrs |
| Self-Discharge Rate | <3%/month | 5-8%/month |
Service Commitments
- Certified Production
- ISO 9001 & IATF 16949 certified
- Full batch traceability via QR code
- Technical Support
- Free integration toolkit (BMS schematics, DFMEA templates)
- 18-month extended warranty
- Custom Solutions
- Capacity scaling: 8Ah–15Ah
- Custom BMS with Bluetooth monitoring
Implementation Guidelines
- Installation: Requires thermal pad (1mm thickness) for heat dissipation
- Charging: CC/CV mode with 4.2V cutoff (0.5C recommended)
- End-of-Life: Replace when capacity <60% or swelling observed
Safety Precautions
- Do not expose to temperatures >60°C
- Avoid mechanical puncture or compression
- Use only with certified BMS-enabled chargers
Ordering Options
| Packaging Type | MOQ | Lead Time |
|---|---|---|
| Standard Bulk | 500 pcs | 20 days |
| Branded Packaging | 1,000 | 30 days |
| OEM Integration Kit | 5,000 | 45 days |
Certifications
- RoHS 3 / REACH SVHC <0.1%
- MSDS & UN38.3 Test Report Available
