Voltsky 8S 29.8V 25000mAh Heavy-Lift UAV Battery — 75C Flagship
Voltsky 8S 29.8V 25000mAh Heavy-Lift UAV Battery — 75C Flagship
Voltsky 8S 29.8V 25000mAh Heavy-Lift UAV Battery (75C)
The VS-HL-8S-25000 is the flagship of Voltsky's 8S heavy-lift series — delivering 25,000mAh of liquid pouch lithium ion energy at up to 75C discharge. Designed for the most demanding commercial UAV deployments where maximum payload, maximum range, and high reliability are simultaneously required. Strict incoming cell inspection and 100% discharge testing guarantee cell-grade consistency across large orders.
Key Benefits
- 25,000mAh Class-Leading 8S Capacity — the highest energy 8S pack in the Voltsky lineup
- 75C High Discharge Option — suitable for both endurance and high-power 8S motor systems
- 100% QC Tested — every cell capacity and IR tested before shipment; certificate of conformity available
- Liquid Pouch Architecture — optimized energy density and heat dissipation
- Full OEM Support — custom BMS thresholds, connector, housing, and branding
Technical Specifications
| Parameter | Value |
|---|---|
| Cell Chemistry | Liquid Pouch LiPo |
| Configuration | 8S (29.8V nominal) |
| Capacity | 25,000 mAh |
| Discharge Rate | 25C / 75C (selectable) |
| Operating Temperature | -20°C to 60°C |
| Certifications | CE, UN38.3, ISO 9001 |
| OEM/ODM | Supported (MOQ 25) |
Ideal Applications
Maximum-payload cargo UAVs, offshore inspection, long-range survey platforms.
Shipping & B2B Terms
MOQ 25 units for bulk. Sample from 2 units. OEM lead time: 15–25 business days.
Technical Specifications
Need a custom configuration or sample?
Our engineering team is ready to advise on the right battery solution for your UAV platform.
Performance Analysis
Discharge Curve (Real-world Test)
Cycle Life Reliability
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Technical Specifications
| Cell Chemistry | Semi-Solid State (NMC) |
| Nominal Voltage | 29.6V (8S) |
| Capacity | 25,000 mAh |
| Energy | 740.0 Wh |
| Max Discharge Rate | 75C Continuous |
| Cycle Life | 500+ cycles @ ≥80% capacity |
| Operating Temp. | -20°C to +60°C |
| Dimensions (L×W×H) | Contact for datasheet |
| Weight | Contact for datasheet |
| Connector | XT90 / Custom (OEM) |
| Certifications | UN38.3 · CE · RoHS · MSDS |
| MOQ | 2 units (Sample) |