optimumnano
Description
Factory sale 38121 LiFePO4 battery 3.2V 16Ah is a high-quality Grade A cylindrical lithium iron phosphate cell designed for electric bikes, scooters, solar energy storage systems, and lead-acid battery replacement applications. This battery ensures stable performance, long cycle life, and reliable consistency for OEM and wholesale customers.
Manufactured in an ISO-certified factory with fully automated production lines, the 38121 LiFePO4 battery guarantees strict quality control and consistent large-scale supply. It is suitable for energy storage systems, consumer electronics, and industrial power solutions.

Product Overview
38121 LiFePO4 cylindrical battery cell, 16Ah rated capacity
Nominal voltage of 3.2V, stable and safe lithium iron phosphate chemistry
Designed for EVs, electric bikes, scooters, solar energy storage, and lead-acid replacement
High consistency for series and parallel battery pack assembly
Long cycle life with low self-discharge
OEM and wholesale solutions available
Technical Specifications
| Item | Specification |
|---|---|
| Battery Type | LiFePO4 Cylindrical Cell |
| Model | 38121 |
| Nominal Capacity | 16Ah |
| Nominal Voltage | 3.2V |
| AC Impedance | ≤6mΩ |
| Cell Size | 38.3 ±0.2 mm (Dia.) × 121.5 ±0.3 mm (Height) |
| Cell Weight | 340 ±5 g |
| End-of-Charge Voltage | 3.65V |
| End-of-Charge Current | 0.6A |
| Max Continuous Discharge Current | 30A |
| Max Pulse Discharge Current | 45A (5s) |
| Cycle Life | ≥2000 cycles |

Key Features and Benefits
Grade A 38121 LiFePO4 chemistry with high thermal and chemical stability
Low internal resistance for efficient energy output
Long cycle life suitable for repeated charge/discharge
Excellent consistency for battery pack manufacturing
Safe alternative to lead-acid and other lithium chemistries
Stable performance for industrial and commercial applications

Applications
Electric bikes, scooters, and low-speed EVs
Solar energy storage systems and off-grid power solutions
Replacement of lead-acid batteries in industrial equipment
Consumer electronics and home appliances
Power tools and backup energy storage
OEM and large-scale battery pack assembly

Manufacturing Capability
Jiangsu OptimumNano Energy Co., Ltd. (JS OptimumNano) is a lithium battery platform under China Aerospace Science and Technology Corporation. The headquarters and main production base are in Gaoyou, Jiangsu Province, with a total planned area of 3,000 mu.
The factory operates fully automated cylindrical battery production lines, with 1 R&D pilot line and 7 fully automated production lines, daily output of 420,000 cylindrical batteries, and an annual production capacity of up to 5GWh.
JS OptimumNano has over 20 years of experience in LiFePO4 technology, focusing on EVs, energy storage systems, and lead-acid battery replacement. OEM and customized solutions are supported.

Our Advantages
ISO-certified production facility
Fully automated lines ensuring high cell consistency
Large-scale production capacity for stable supply
Strict quality control from raw materials to finished cells
Strong technical expertise in LiFePO4 chemistry
OEM and customized battery solutions available
FAQ
Is this 38121 LiFePO4 battery Grade A?
Yes, all 38121 cells are Grade A.What is the nominal voltage and capacity?
Nominal voltage is 3.2V, and capacity is 16Ah.What is the cycle life?
The cycle life is at least 2000 cycles under standard conditions.Can these cells be used in battery packs?
Yes, they are designed for series and parallel assembly.Is the factory ISO certified?
Yes, the production facility is ISO certified.What is the max continuous discharge current?
The maximum continuous discharge current is 30A.What is the max pulse discharge current?
The maximum pulse discharge current is 45A for 5 seconds.Do you support OEM and bulk orders?
Yes, we provide OEM and wholesale solutions for large-volume customers.Are these batteries suitable for electric bikes and scooters?
Yes, they are widely used in EV mobility applications.Can these cells be used in solar energy storage systems?
Yes, they are suitable for solar and off-grid energy storage.



