40000mAh Big Capacity Semi-Solid State Drone Battery 350Wh/kg 10C

350Wh/kg Solid State Battery descriptions from the supplier:

⚠️ Warning:

1. Avoid Physical Damage: Impact, puncture, or compression may cause internal short circuits or failure.

2. Temperature Control: Operate/store within specified ranges (e.g., -40°C to 70°C). High temperatures accelerate degradation; extreme cold may trigger protective shutdowns.

3. Charge/Discharge Safely: Use only approved chargers. Overcharging or deep discharging permanently reduces cell lifespan.

4. No Tampering: Unauthorized disassembly risks damaging the solid-state electrolyte structure, leading to safety hazards.

5. Proper Disposal: Dispose of spent cells as electronic waste per regulations—do not discard or incinerate.

Note: If abnormalities occur (swelling, leakage, odor), power off immediately and isolate the cell.

Company Introduction:

Shenzhen Defnocopower Technology Co.,Ltd. is specialized in manufacturing high power rechargeable batteries which is use for drone, bicycle&scooter, jump starter, electric tools, home application, power storage, etc.
Own battery cell manufacturer has more than 14 years of history, based in Loudi,Hunan with annual turnover of RMB 2 billion. Having a team of well experienced technicians & engineers taking in charging of the core products’ researching & designing. Shenzhen Defnocopower Technology Co.,Ltd. win the great praise from the professional clients in our focus area. With the advantages of excellent safety profile, reliability,High discharge platform, long cycle time, we get the full trust and support from our customers.

FAQ:

1. who are we?
We are based in Guangdong, China, start from 2023,sell to North America(60.00%),Northern Europe(20.00%),Western Europe(20.00%).
Totally about 51-100 employees in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?

FPV drone battery, lipo battery, Solid state battery, bicycle&scooter battery, jump starter.

4. why should you buy from us not from other suppliers?
3 factories; Own R&D team; 10 Yeas experience in the Industry; More to know.

5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,Express Delivery；
Accepted Payment Type: T/T,Credit Card,PayPal,Western Union;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,French