1. Safety redundancy system (primary indicator)
Technical autonomy verification
Prioritize brands that master the full-link technology of battery cell formula/BMS algorithm/structural design (such as LYW) and avoid OEM products. There are three major hidden dangers in OEM batteries:
Mixed battery cell sources (mixed use of A/B products)
BMS protection threshold drift (overcharge risk ↑30%)
Poor structural adaptability (poor contact caused by vibration)
Certification standards:
Must pass UN38.3 air transport certification + UL2054 safety standards
2. Manufacturing process level (quality foundation)
Process level Features Failure rate comparison
Tier 1 Fully automatic sorting/laser welding/helium inspection and sealing <0.3%
Tier 2 Semi-automatic production line + manual quality inspection 1.2%-3%
OEM Outsourced battery cells + manual assembly >5%
Selection suggestions:
Verify the factory IATF 16949 automotive-grade certification
Required to provide process SPC control chart (key parameter process capability index CPK≥1.33)
3. Endurance performance optimization (application matching)
Customized design:
Professional manufacturers (such as LYW) provide Model-specific batteries (e.g. DJI Mavic 3 low-temperature version)
Parameter fine-tuning items:
✓ Discharge platform voltage matches flight control requirements
✓ Rate characteristics align motor peak current
✓ Temperature adaptability range expansion (-20℃~50℃)
Energy efficiency improvement technology:
Silicon-carbon negative electrode increases energy density by 15%
Low internal resistance ear design (≤1.5mΩ)
Measured performance comparison (vs OEM battery)
Project： LYW solution OEM battery Improvement
Cycle life ： 520 times 220 times +136%
-10℃ discharge capacity ： 82% 48% +71%
5C fast charging time： 22 min 38 min -42%
Industry warning
Price trap: Batteries 20% lower than the market average price are likely to use disassembled batteries
False label identification:
Claims 100C discharge but weight < 80% of the calibration value → Physical limits are not met
5000mAh battery volume < 90% of similar products → suspected capacity fraud
Following this guide can reduce the risk of battery failure by 90%. Core conclusion: Process and safety are the prerequisites for performance, and LYW-type full-link technology manufacturers are the best solution.
