| Parameter | Value |
|---|---|
| Nominal Capacity | 27000mAh @ 0.5C discharge |
| Minimum Capacity | 26000mAh @ 0.5C discharge |
| Nominal Voltage | 3.7V |
| Full Charge Voltage | 4.2V |
| Discharge Cut‑off Voltage | 2.8V |
| Standard Charge | 0.5C CC/CV to 4.2V, cut‑off ≤0.05C @25°C |
| Fast Charge | 1C CC/CV to 4.2V, cut‑off ≤0.05C @25°C |
| Super Fast Charge | 2C CC/CV to 4.2V, cut‑off ≤0.05C @25°C |
| Standard Discharge Current | 0.5C (13.5A) |
| Continuous Discharge Current | 5C (135A) |
| Pulse Discharge Current | 15C (≤3s) |
| AC Internal Resistance | ≤1.6mΩ |
| Energy Density (Gravimetric) | ≥275Wh/kg (0.5C/0.5C) |
| Energy Density (Volumetric) | ≥620Wh/L (0.5C/0.5C) |
| Weight | ~360g |
| Operating Temperature (Charge) | 0°C ~ 45°C |
| Operating Temperature (Discharge) | -20°C ~ 60°C |
| Shipment Voltage | 3.5V – 3.6V |
| Dimension | Value |
|---|---|
| Thickness (T) | 9.9 ±0.3 |
| Width (W) | 87.0 ±1.0 |
| Length (L) | 187.0 ±2.0 |
| Tab Width (L1) | 25.0 ±0.2 |
| Tab Center Distance (L2) | 41.5 ±3 |
| Tab Edge Distance (L3) | 10.25 ±1 |
| Tab Exposed Length (L4) | 17 ±1 |
| Positive Tab Thickness | 0.3 ±0.03 |
| Negative Tab Thickness | 0.2 ±0.02 |
| Discharge Rate | Capacity Retention | Test Condition |
|---|---|---|
| 0.5C | ≥98% | Standard charge, rest 5min, CC discharge to 2.8V |
| 3C | ≥98% | Same as above |
| 5C | ≥90% | Same as above |
| Temperature | Capacity Retention | Test Condition |
|---|---|---|
| 40°C | ≥90% | Standard charge, store 2h at temp, 0.5C discharge |
| 25°C | 100% (reference) | – |
| 0°C | ≥85% | – |
| -10°C | ≥70% | – |
| Cycle Condition | Min. Cycles | End of Life Criteria |
|---|---|---|
| Standard (0.5C charge / 0.5C discharge) | ≥800 cycles | Capacity ≥80% of initial |
| 3C Discharge (0.5C charge) | ≥500 cycles | Capacity ≥80% of initial |
| 5C Discharge (0.5C charge) | ≥300 cycles | Capacity ≥80% of initial |
| Test | Requirement | Condition |
|---|---|---|
| Self‑Discharge (28 days @25°C) | Capacity retention ≥85% | Standard charge, store 28d at 25±3°C, 0.5C discharge |
| High Temperature Performance (55°C, 4h) | Capacity retention ≥98% | After standard charge, hold 4h at 55±2°C, 0.5C discharge |
| Test | Requirement | Method |
|---|---|---|
| Vibration | No explosion, fire, leakage | 10Hz–55Hz sweep, 1.6mm excursion, 30min/axis (X,Y,Z) |
| Drop | No explosion, fire, leakage | Free fall from 1.2m onto 30mm wood board, 3 times |
Storage Temperature: 0°C ~ 35°C
Storage Humidity: ≤75% RH
Storage Voltage: 3.75V – 3.9V (40%–50% SOC)
Note: Do not store above 3.9V for more than 7 days. Self‑discharge and IR increase over time are normal.
Warranty Period: 12 months from shipment date, or within specified cycle life (whichever comes first).
Exclusions:
Use beyond conditions in this specification
Incompatible external equipment
Post‑acceptance assembly damage
Expired warranty period
DANGERS
Do not expose to fire or high temperature.
Avoid puncturing, cutting, or disassembling.
Never mix with different battery types.
WARNINGS
Use only designated charger.
Do not charge in wet environments.
Stop use if swelling, leakage, or deformation occurs.
PRECAUTIONS
Fully charge before first use.
Ensure ventilation during charging.
Store in cool, dry place away from sunlight/magnets.
For long‑term storage, keep at 50%–60% SOC.
Use within specified altitude range.
Avoid excessive frequent charging.
Customizable: We are a leading uav battery manufacturer offering tailored solutions – connectors, wires, PCM, voltage, capacity.
High Discharge Rate: 5C continuous supports high‑power motors for industrial drones.
Long Endurance: 27000mAh and high energy density maximize flight time.
Proven Safety: Semi‑solid electrolyte reduces thermal runaway risk.
Global Shipping: Trusted drone battery pack supplier for clients worldwide.
Our products are sold all over the world, you can rest assured.
