Power Battery

D21 50.5Ah 3.65V NMC Pouch Cell

50.5Ah NMC pouch battery cell with 3.65V nominal voltage, 185Wh energy, 17.3A standard charge/discharge current and 3000-cycle life.

Send an Inquiry

PRODUCT DETAILS

Product Specifications & Technical Documentation

Complete product details — specifications, images, FAQ, and downloadable resources for this VoltCrave power solution

Details Specifications Certifications FAQ

50.5Ah NMC Pouch Battery Cell 3.65V 185Wh 3000 Cycles Product Details (3)

50.5Ah NMC Pouch Cell

The D21 NMC polymer pouch cell provides a rated capacity of 50.5Ah, combining a flat cell structure with defined electrical performance for battery system integration.

50.5Ah NMC Pouch Battery Cell 3.65V 185Wh 3000 Cycles Product Details (2)

3.65V and 185Wh Energy

With a nominal voltage of 3.65V and 185Wh energy, the cell provides a specified voltage range of 2.50V to 4.20V for battery pack engineering.

17.3A Standard Charge and Discharge

Standard charge and discharge currents are both specified at 17.3A (1/3C), providing consistent parameters for system design and cell integration.

50.5Ah NMC Pouch Battery Cell 3.65V 185Wh 3000 Cycles Product Details (4)

3000-Cycle Service Life

The D21 cell is specified for 3000 cycles, supporting battery systems designed for repeated charge and discharge operation.

≤1.20mΩ AC Impedance

A specified AC impedance of ≤1.20mΩ provides a defined electrical resistance characteristic for pack design and cell performance evaluation.

50.5Ah NMC Pouch Battery Cell 3.65V 185Wh 3000 Cycles Product Details (1)

-30°C to 55°C Operating Range

The cell has a specified operating temperature range from -30°C to 55°C and a storage temperature range from 0°C to 60°C.

Flat Pouch Structure for Pack Integration

The supplied product uses a long, thin pouch construction with flat metallic terminal tabs at opposite ends, providing a distinctive form factor for battery module integration.

Multiple Electric Mobility Applications

The cell is specified for applications including golf carts, electric bicycles/scooters, electric forklifts, electric vehicles and electric boats.

Customizable for B2B Battery Projects

VoltCrave Power supports specification customization according to customer requirements, helping adapt battery solutions to different system and pack projects.

Parameter Specification
Model D21
Battery Chemistry NMC
Cell Type Polymer Pouch Cell
Rated Capacity 50.5Ah
Nominal Voltage 3.65V
Voltage Range 2.50V–4.20V
Energy 185Wh
Standard Charge Current 17.3A (1/3C)
Standard Discharge Current 17.3A (1/3C)
AC Impedance ≤1.20mΩ
Cycle Life 3000 Cycles
Operating Temperature -30°C to 55°C
Storage Temperature 0°C to 60°C
Customization Specifications can be customized according to customer requirements

Representative safety, transport and market-compliance documents supporting qualified VoltCrave Power battery solutions for international B2B projects. Certification availability varies by product model and target market — contact VoltCrave Power to confirm the applicable compliance documents for your selected product.

  • Safety

    IEC 62133-2

    IEC 62133-2 battery safety test report
  • Market Compliance

    CE / EMC

    CE and EMC electromagnetic compatibility document
  • Transport

    UN38.3

    UN38.3 lithium battery transport safety document
  • Environmental

    RoHS

    RoHS restricted substances compliance document
  • Safety Documentation

    MSDS

    MSDS material safety data document
  • Cell Safety

    UL 1642

    Lithium cell component document. This is not certification of a complete VoltCrave Power energy-storage system.
    UL 1642 lithium cell component safety document
What is the rated capacity and voltage of this cell?
The D21 pouch battery cell has a rated capacity of 50.5Ah, a nominal voltage of 3.65V and a specified voltage range of 2.50V–4.20V.
What is the energy rating of the D21 cell?
The cell has a specified energy rating of 185Wh.
What are the standard charge and discharge currents?
Both the standard charge current and standard discharge current are specified at 17.3A (1/3C).
What operating temperature range does the cell support?
The specified operating temperature range is -30°C to 55°C, while the storage temperature range is 0°C to 60°C.
Can the battery specifications be customized for different projects?
Yes. VoltCrave Power supports specification customization according to customer requirements for different B2B battery projects.

No download files have been uploaded yet.

MANUFACTURING

OEM & ODM LiFePO4 Battery Manufacturer — Full Customization

End-to-end custom lithium battery manufacturing — from cell selection and BMS programming to enclosure design, branding, and global certification

Enclosure & Electrical Customization

Custom LiFePO4 battery enclosure dimensions, colors, terminal layouts, and connector types. Tailor voltage (12V / 24V / 48V) and capacity to your target market requirements.

White-Label & Private-Label Branding

Full OEM battery branding: laser-engraved logos, custom label nameplates, silk-screened enclosures, and exclusive retail packaging. Your brand, our lithium battery technology.

Global Certification & Compliance Support

We assist distributors with CE, UL 1973, IEC 62619, UN38.3, and RoHS compliance for lithium battery imports. Complete technical documentation, MSDS, and test reports included for customs clearance.

RELATED

Explore More VoltCrave Power Solutions

Browse our full range of portable power stations, wall-mounted home batteries, RV energy systems, industrial power solutions, and more

YTJ5KWh 5.12kWh 51.2V 100Ah LiFePO4 All-in-One Solar Energy Storage System (5)

YTJ5KWh 5.12kWh 51.2V 100Ah LiFePO4 All-in-One Solar Energy Storage System

5.12kWh all-in-one LiFePO4 solar energy storage system with 5000W inverter, 60–450V PV input, MPPT charging, and customizable specifications for OEM/ODM projects.

Learn More
ZD40V20Ah 36V 48V 52V Silver Fish Lithium E-Bike Battery Pack (2)

ZD40V20Ah 36V 48V 52V Silver Fish Lithium E-Bike Battery Pack

Silver Fish lithium e-bike battery pack with 36V–52V options, 10.4Ah–28Ah capacity, 3C discharge, configurable BMS and OEM/ODM support.

Learn More
G963 6000mAh 600A Car Jump Starter with Air Pump (1)

G963 6000mAh 600A Car Jump Starter with Air Pump

6000mAh car jump starter with 600A peak current, built-in wireless air pump, LED emergency light, 12V/2A output and customizable configurations.

Learn More

Partner with a Leading LiFePO4 Battery Manufacturer

VoltCrave is actively recruiting exclusive distributors and OEM partners across our energy storage and portable power product lines. Competitive factory-direct pricing, dedicated account management, and full marketing support for your region.

✓ Exclusive Territory Rights
✓ Factory-Direct Wholesale Pricing
✓ OEM / Private-Label Design
✓ Complete Marketing & Certification Support
Apply for Distribution

Get a Quote

Our engineers will contact you within 24 hours