optimumnano
Description
The 38121 3.2V 15Ah LiFePO4 battery cell is a high-performance lithium iron phosphate cylindrical cell designed for electric propulsion, energy storage and industrial power applications.
Featuring stable chemistry, high discharge capability and long cycle life, the 38121 3.2V 15Ah LiFePO4 battery cell delivers reliable and consistent power output, making it an ideal choice for replacing traditional lead-acid batteries in demanding operating environments.
With a standardized 38121 cylindrical format, the 38121 3.2V 15Ah LiFePO4 battery cell is widely used in electric vehicles, power tools, solar energy storage systems and backup power solutions where safety, durability and efficiency are critical.
Manufactured by a Large-Scale Aerospace Battery Producer
Jiangsu OptimumNano Energy Co., Ltd. is a lithium battery business platform under China Aerospace Science and Technology Group, a state-owned enterprise with decades of experience in advanced energy systems.
Headquarters: Gaoyou, Jiangsu, China
Production base: 3,000 mu industrial manufacturing park
Planned capacity: 50 GWh
Fully automated cylindrical cell production lines
Aerospace-grade quality control and manufacturing standards
Choosing OptimumNano means sourcing directly from a state-owned, large-scale battery manufacturer, not a trading company.
Key Product Advantages
Stable & Safe LiFePO4 Chemistry
Lithium iron phosphate technology ensures excellent thermal stability, low risk of thermal runaway and long-term safety.
High Discharge Performance
Supports high continuous and pulse discharge, suitable for electric propulsion and power tools.
Long Cycle Life
≥2000 cycles at 100% DOD, significantly extending system lifespan and reducing replacement costs.
Standardized Cylindrical Structure
Uniform size and consistency allow easy module and pack integration.
Low Self-Discharge Rate
Ideal for standby, backup and energy storage applications.
Excellent Environmental Adaptability
Stable performance across a wide temperature range.
Technical Specifications
Battery Type: LiFePO4 Cylindrical Cell
Model: 38121
Nominal Voltage: 3.2 V
Nominal Capacity: 15 Ah
AC Impedance: ≤ 8.0 mΩ
Diameter: 38.3 ± 0.2 mm
Height: 121.5 ± 0.3 mm
Cell Weight: 340 ± 5 g
End-of-Charge Voltage: 3.65 V
Max Continuous Discharge Current: 30 A
Max Pulse Discharge Current: 45 A (5s)
Cycle Life: ≥2000 cycles (1C, 100% DOD)
Charging Temperature: 0 ~ 60 ℃
Discharging Temperature: -20 ~ 60 ℃
Typical Applications
Electric bicycles, motorcycles and scooters
Slow-speed electric vehicles and sightseeing cars
Golf carts and electric trolleys
Power tools and industrial equipment
Solar and wind energy storage systems
RV, marine and off-grid energy systems
Telecom backup power and UPS systems
Security, lighting and emergency power solutions
OEM / ODM & Customization Support
We provide flexible OEM and ODM services, including:
Cell matching and grading
Customized battery packs
BMS configuration
Logo and labeling
Packaging solutions
Sample orders are available. MOQ is flexible depending on customization requirements.
Supply Capability & Delivery
Monthly Capacity: Large-scale stable supply
Lead Time:
Sample orders: fast delivery
Bulk orders: to be negotiated
Delivery Terms: EXW, FOB, CFR, CIF, DDP, DDU
Shipping Ports: Shanghai / Shenzhen
Quality Control & After-Sales Support
100% inspection before shipment
Strict process and performance testing
24-hour online technical support
Professional engineer assistance for integration and application
FAQ
1. Is this battery suitable for high-discharge applications?
Yes. It supports high continuous and pulse discharge currents.
2. Can this cell replace lead-acid batteries?
Yes. It offers longer cycle life, higher efficiency and lower weight.
3. Do you support OEM and ODM projects?
Yes. Full OEM and ODM customization is available.
4. Are all cells tested before shipment?
Yes. Every batch undergoes strict quality inspection.
5. What is the minimum order quantity?
MOQ is flexible. Samples are supported.
6. What payment terms do you accept?
T/T and L/C. Standard terms apply.
7. What delivery terms are available?
EXW, FOB, CFR, CIF, DDP and DDU.
8. Do you provide technical support after purchase?
Yes. Engineers provide remote and video technical support.
