Shenzhen Ryder Electronics Co., Ltd. is one of the leading manufacturers and suppliers of Ryder 34438 12V Li-ion Battery Pack with Solar Charging & Bluetooth – Reliable Power for Harsh Environments 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.
Product Overview
The RYDER 34438 Li-ion Battery Pack (Model: Li-21700-3S4P-10.8V 20(19.6)Ah-PCM-case-with heating function) is a rugged, high-performance power system engineered for demanding environments. Designed around 18650 lithium-ion cells, this 12V-compatible battery delivers:
✅ 60W Rated Output – Dual Chogori ports for flexible power distribution.
✅ Solar-Ready – Compatible with 18V PV panels via built-in MPPT (14–20V input).
✅ Wide Temperature Range – Operates from -20°C to 60°C with automatic heating activation below -20°C.
✅ Bluetooth 5.0 Monitoring – Real-time tracking of battery level, temperature, and solar input via mobile app.
✅ Advanced BMS – Protects against overcharge, over-discharge, short circuit, and thermal runaway.
✅ Parallel Scalability – Connect up to 4 units for expanded capacity.
✅ OTA Updates – Firmware upgrades wirelessly for improved performance and features.
Key Applications:
Remote monitoring stations, solar-powered IoT devices, industrial-grade backup systems, and harsh-environment deployments requiring reliable 12V lithium-ion power.
Technical Specifications
Core Parameters
| Category | Specification |
|---|---|
| Voltage | 10.8V (12V compatible) |
| Capacity | 20Ah (Min. 18.6Ah) |
| Energy Storage | 216Wh |
| Max Continuous Discharge | 6A (108W peak) |
| Charge Voltage | 12.45V (constant voltage) |
| Solar Charging Input | 14–20V, up to 56.1W |
| DC Charging | 12.15–12.89V, 4.2–4.8A |
| Charging Efficiency | 80–91% |
| Operating Temperature | -20°C to 60°C |
| Self-Discharge Rate | <3% per month at 25°C |
| Cycle Life | >300 cycles (80% capacity retention) |
Intelligent Features
Parallel Scalability:
Connect up to 4 units via Chogori ports
Real-Time Monitoring:
Battery level, temperature, and solar input via Bluetooth app
OTA Firmware Updates:
Wireless upgrades for enhanced functionality
Environmental Adaptability:
Built-in humidity/temperature sensors
Why Choose Ryder's 12V Li-ion Battery Pack?
Proven Reliability
20+ Years Innovation: Leader in lithium battery system design
Military-Grade Testing: Passes extreme temperature (-40°C to 85°C), vibration, and drop tests
Compliance: UL, CE, FCC Class A, UN38.3 certifications
Sustainable Performance
Long Cycle Life: >300 cycles (80% capacity retention)
Low Self-Discharge: <3% per month at 25°C
Quick Charging: Full charge in 5-6 hours (12.45V DC input)
Industry-Leading Applications
Outdoor Solutions: Remote monitoring, solar street lights, agricultural sensors
Industrial Mobility: E-bike conversion kits, material handling equipment
Backup Systems: Telecom towers, security systems, medical devices
document services.
Technical Support & Warranty
- Global Warranty: 3-year coverage (defects & performance)
- Customization: Tailored solutions for voltage, capacity, and form factor
- Documentation: Full technical manuals, compliance reports, and user guides
Contact Us
Why Choose Ryder Batteries?
🏆 Proven Reliability
With over 20 years of innovation in lithium battery systems, Ryder combines advanced R&D with rigorous testing. Our batteries pass military-grade environmental tests (-40°C to 85°C), vibration, and drop tests, and are certified to UL, CE, FCC Class A, and UN38.3 standards.
🌿 Sustainable Performance
Long cycle life, low self-discharge, and high charging efficiency make Ryder batteries a cost-effective and eco-friendly choice for long-term deployments.
🔧 Customizable Solutions
Need a specific voltage, capacity, or connector? Ryder specializes in custom 12V Li-ion battery packs tailored to your project requirements.
Contact Us
Email: manager@ryderbattery.com
Tel: 86-0752-5880937
Address: Building C,Huaming Industrial park,Huaming Road, Dalang,
Longhua,Shenzhen,Guangdong,China
Request a Custom Quot
Contact Ryder for a tailored 12V lithium battery solution - designed to perform, built to last.
Keep auspicious forever, ready to support ever!
Ryder-Lithium-choice for you.
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