LD21700 8S4P 20000mAh 28.8v

Lan Dazzle 21700 8S4P Lithium-Ion Battery Pack

Maximize both capacity and voltage in a single, robust package with Lan Dazzle’s 21700 8S4P lithium-ion battery pack. Featuring eight cells in series and four in parallel, this configuration delivers a nominal 28.8 V at 20000mAh — ideal for long-endurance drones, heavy-duty robotics, electric vehicles, and stationary backup power systems.


Key Features

  • High Energy & Voltage
    Eight cells in series provide a nominal 28.8 V, and four in parallel yield 20000mAh of capacity for extended runtime without increasing pack footprint.

  • Robust Power Delivery
    Continuous discharge currents up to 500A, with peak output to 720A, meet the demands of high-power motors and surge loads.

  • Superior Thermal Management
    Standard flame-retardant wrap; optional aluminum or steel enclosure, phase-change thermal pads, or forced-air cooling interfaces for high-duty-cycle applications.

  • Configurable Connectors & Form Factor
    Standard XT90. Pack dimensions, mounting holes, and harness routing are tailored to your mechanical design.

  • Global Compliance
    Fully certified to UN38.3, IEC 62133, and RoHS standards for safe transport and operation worldwide.


Technical Specifications

Specification Details
Cell Type 21700 Lithium-Ion (3.6 V nominal, 5000mAh per cell)
Configuration 8S4P (8 cells in series × 4 parallel)
Nominal Voltage 28.8 V
Nominal Capacity 20000mAh
Operating Temperature –20 °C to +60 °C (discharge); 0 °C to +45 °C (charge)
Dimensions ~84mm ×168mm × 70mm (customizable)
Weight ~2.34kg
Connectors XT90; custom
Certifications UN38.3, IEC 62133, RoHS

Applications

  • Long-Endurance Drones & UAVs: Extended flight times under heavy payloads.

  • Electric Vehicles & E-Mobility: Reliable 24–30 V systems for scooters, e-bikes, and light EVs.

  • Industrial & Service Robotics: High-torque motors and multi-axis manipulators.

  • Stationary Backup Power: UPS and off-grid energy storage for telecom and edge-compute sites.

  • Portable Power Stations: High-capacity energy for field operations and emergency response.


Why Choose Lan Dazzle?

  1. Fully Customizable
    Cell chemistry, BMS parameters, pack dimensions, enclosure materials, and connectors are all tailored to your exact specs.

  2. Unmatched Quality
    In-house manufacturing, rigorous testing (cycle, vibration, thermal), and Grade A cells ensure peak performance and long life.

  3. Scalable Production
    From small R&D runs to high-volume manufacturing, our agile production lines meet your delivery schedules.

  4. End-to-End Technical Support
    Design consultation, certification assistance, and responsive after-sales service ensure seamless integration and lifecycle support.


Ordering & Support

Power your next breakthrough with Lan Dazzle’s 21700 8S4P battery pack. Contact us to discuss customization, pricing, and lead times:

Lan Dazzle — Bespoke lithium-ion solutions engineered for innovation.

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