Shenzhen Ryder Electronics Co., Ltd. is one of the leading manufacturers and suppliers of high-performance lithium-ion battery pac in China. Welcome to buy CE approved batteries in stock here and get free sample from our factory. All customized products are with high quality and low price.
Key Features
High Capacity: 20Ah nominal capacity with ≤50mΩ internal resistance
Smart Protection: Integrated PCM (Protection Circuit Module) with CAN protocol communication
Safety-Certified: Compliant with UN38.3, UL, and IEC safety standards
Longevity: ≥300 cycles at 25°C (80% capacity retention)
Wide Operating Range: -20°C to 60°C discharge / 5°C to 45°C charge
Technical Specifications
|
Category |
Specifications |
|
Battery Type |
7S4P Li-NMC Cylindrical Cells (INR21700-50GB, Samsung) |
|
Voltage |
Nominal 25.9V |
|
Capacity |
20Ah (min 18.62Ah) |
|
Dimensions |
227mm × 135.5mm × 90mm (H×W×L) |
|
Weight |
≈2.75kg ±0.5kg |
|
Thermal Management |
Built-in PCM with temperature sensors (BMS) |
|
Connectivity |
CAN 2.0B Interface (250 kbps) |
|
Certifications |
UN38.3, UL1642, CE, RoHS |
Advanced Protection Features
Multi-Layer Safety:
Overcharge/over-discharge protection (hardware + software)
Short-circuit protection (<15μs response)
Overcurrent protection (up to 80.3A hardware cutoff)
Temperature monitoring (charge/discharge limits: -24°C to 74°C)
Balancing System: Active cell balancing during charge/idle modes (±30mV threshold)
Long-Term Reliability:
1-year warranty (300-cycle minimum)
IP67-rated enclosure for dust/water resistance
Application Areas
Industrial Mobility
Electric forklifts, AGVs, and material handling equipment
Marine vessels and off-road vehicles
Energy Storage
Renewable energy systems (solar/wind backup)
UPS and emergency power supplies
Heavy-Duty Tools
High-torque electric power tools
Why Choose Ryder?
20+ Years of Expertise
Specialized in lithium battery systems since 2005
ISO 9001 & IATF 16949 certified production facilities
Customization Capabilities
Tailored solutions for voltage, capacity, and connectivity
Rapid prototyping and compliance testing
Global Reach
Offices in Shenzhen (HQ) and Huizhou (manufacturing hub)
Export experience to Europe, Americas, and Asia-Pacific
Get in Touch
Request a Quote or Technical Consultation:
Email: manager@rvderbatterv.com
Tel: +86-755-32903801
Address:
Shenzhen HQ: Room 1008-1009, OCT Innovation Mansion, Longhua District
Huizhou Factory: No.16 Sanhe Avenue, China-Korea Industrial Park, Huizhou
Keep auspicious forever, ready to support ever!
Ryder-Lithium-choice for you.
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