Custom high-performance lithium battery packs for all mainstream industrial and consumer UAV categories

Case Study 1: Firefighting UAV Battery Solution

Firefighting UAV Needs Analysis

The firefighting UAV manufacturer required a high-power battery system capable of supporting emergency response missions in demanding environments.

• • Increase effective mission time by at least 20%
  • Maintain stable power output while carrying firefighting equipment
  • Support rapid climbing and emergency maneuvering
  • Improve reliability in high-temperature, smoky, dusty environments
  • Provide battery redundancy for safe landing after single-pack failure
  • Reduce charging time between emergency missions
  • Meet commercial industrial UAV safety standards

Unlike ordinary camera drones, firefighting UAVs carry fire extinguishing tanks and sensors, working close to heat sources, requiring both high energy and strong instantaneous pulse power with low voltage drop.

Firefighting UAV Battery Specifications

• • • Battery architecture: Dual-redundant 24S system
    • Nominal voltage: 88.8V, Max charge voltage: 100.8V
    • Capacity ≥30Ah, Total energy ≈2.66kWh
    • Continuous discharge: 300A; Peak 500A (10s)
    • Max system weight: 18kg
    • Cell: High-power NMC lithium ion
    • Operating temp: -20°C ~ 60°C; Protection grade ≥IP55

BMS Core Functions

Dual independent BMS, CAN communication, 0.01V high-precision cell monitoring, multi-point temperature collection, real-time SOC/SOH upload, staged power derating under high temperature, full electrical short/overcharge/over-discharge protection, fault log recording, emergency low-power landing mode.

PKCELL Solution Design & Performance Result

Modular dual independent battery modules, flame retardant thermal insulation shell, multiple NTC temperature sensors, dual CAN channels, anti-vibration reinforced internal structure, temperature adaptive fast charge algorithm.

• • • Flight time upgraded from 18min to 23min (+28%)
    • High-power climbing voltage drop reduced by 24%
    • System weight cut by nearly 10%
    • 80% SOC fast charge within 42 mins
    • Dual module redundancy ensures safe landing after single pack fault

Safety compliance: UN38.3, IEC 62619 multi-layer thermal and electrical protection design.

Case Study 2: Cleaning UAV Battery Solution

Cleaning UAV Needs Analysis

For high-rise building, solar panel and industrial wall cleaning drones, power must resist water mist, detergent corrosion and continuous hovering load.

• • • Extend hovering time ≥25%
    • Stable output under water jet recoil force
    • Water mist & chemical corrosion resistance
    • Quick swap battery & fast charging
    • Dual power redundancy for emergency landing

Core Battery Parameters

• • • Dual 14S modules, 51.8V nominal, max 58.8V charge
    • 24Ah capacity, total energy ~1.24kWh
    • 180A continuous / 300A peak (10s)
    • Max weight 8.5kg, IP67 fully sealed enclosure

PKCELL Waterproof Solution Highlights

IP67 full sealing structure, waterproof high-current connectors, anti-corrosion cable, BMS conformal coating, built-in drainage channel, pressure balance safety valve, quick release buckle for fast field swap, optional tether backup power interface.

• • • Flight time upgraded 14min → 19min (+36%)
    • Weight reduced by 12%
    • Spray operation voltage fluctuation down 30%
    • 80% charge within 38 minutes

Case Study 3: Cargo UAV Battery Solution

Cargo UAV Needs Analysis

Medium & heavy-lift delivery drones require balanced high energy density and ultra-high peak current for full-load takeoff, supporting fleet intelligent management.

• • • Loaded flight time +25%
    • 700A peak discharge for full payload takeoff
    • Lightweight high energy density design
    • Fast charge within 40 mins to 80%
    • CAN fleet SOH & cycle data recording
    • Low-temperature self-heating function

Specifications & Technical Design

24S8P dual parallel modular system, 86.4~88.8V nominal, 40Ah capacity, total 3.45~3.55kWh, 350A continuous, 700A 10s peak, max weight 23kg, high-power 21700 NMC cells. Dual module current sharing BMS, multi-point temperature monitoring, pre-charge contactor, low temp heating circuit, reinforced anti-vibration metal shell.

• • • Loaded flight time increased by 26%
    • Takeoff voltage sag reduced 21%
    • 80% SOC charging finished in 36 mins
    • Real-time cycle & SOH data for fleet maintenance

Case Study 4: Consumer Filming UAV Battery Solution

Filming UAV Needs Analysis

Consumer & professional photography drones prioritize light weight, small size, long flight duration and user-friendly intelligent management.

• • • Flight time increase ≥25%
    • Reduce battery weight ~15%
    • Stable power under strong wind maneuvering
    • Accurate remaining flight time calculation
    • Automatic storage discharge protection

Miniature Battery Specs

• • • 6S1P architecture, nominal 21.6V, max 25.2V charge
    • ≥5000mAh, energy ~108Wh
    • 30A continuous / 45A peak (10s)
    • Dimension: 150×90×50mm, weight ≤520g
    • Temp range: -10°C ~ 50°C

High energy 21700 cells, lightweight polymer shell, compact intelligent BMS, automatic storage discharge function, accurate coulomb counting SOC algorithm, splash dust resistant casing.

• • • Flight time 25min → 32min (+28%)
    • Weight reduced from 610g to 515g (-15.6%)
    • 80% charge within 35 minutes
    • Accurate power prediction for aerial shooting

General Conclusion

PKCELL delivers differentiated customized lithium battery solutions for four mainstream UAV categories: high-temperature redundant power for firefighting drones, IP67 waterproof anti-corrosion packs for cleaning UAVs, high-energy modular systems for heavy cargo logistics drones, and lightweight high-density compact batteries for aerial filming equipment. Each solution is tailored to unique load, environment, weight and communication demands, with full BMS intelligent monitoring, fast charging and complete safety certification to support industrial and consumer drone manufacturers mass commercial launch.

FAQ