VTC18650-7S3P 25.2V 9000mAh Lithium-Ion Battery Pack for E-bike controllers, portable power modules, industrial backup devices
| Parameter | Specification |
|---|---|
| Model | VTC18650-7S3P |
| Battery Type | Cylindrical Lithium Ion Rechargeable Battery Pack |
| Nominal Voltage | 25.2V |
| Nominal Capacity | 9000mAh |
| Pack Dimensions | 56 x 73 x 129mm Max |
| Weight | 1.2kg |
VTC18650-7S3P 25.2V 9000mAh Lithium-Ion Battery Pack for E-bike controllers, portable power modules, industrial backup devices
The VTC18650-7S3P is a lithium-ion battery pack built in a 7S3P cylindrical assembly with 25.2V nominal voltage, 9000mAh nominal capacity, 8700mAh minimum capacity, 29.4V limited charge voltage, and 17.5V discharge cut-off voltage. This pack supports 0.2C standard charge and discharge at 1800mA, rapid charge up to 0.5C, and maximum discharge up to 0.5C, while the finished pack size is controlled within 56 x 73 x 129mm and the weight is about 1.2kg. The datasheet also defines overcharge, overdischarge, overcurrent, and short-circuit protection parameters, making it suitable for OEM equipment integration where stable electrical management is required.
VTCBATT provides factory supply, custom lithium battery pack development, connector and wire matching, sample support, OEM/ODM production, and battery wholesale service for customers that need repeatable batch delivery.
Application Ready Connectors
The outline drawing shows a DC5521 charge connector, separate P+ and P- discharge terminals, 150+/-5mm wire length, and 18AWG charge and discharge leads, which gives integrators a clearer starting point for enclosure layout and harness matching. VTCBATT can use this pack structure for connector adaptation, lead customization, and application-specific output configuration in sample or batch supply.


High Energy 25.2V Pack
Protected 7S3P Assembly


Stable Batch Supply
Full Certification & Extended Warranty
VTCBATT 18650-7S3P 25.2V 9000mAh Li-ion battery pack meet global certifications including CB, CE, UL, and UN38.3, and offer a 14-month warranty—two months longer than standard—to maximize customer confidence and profit.

VTCBATT 18650-7S3P 25.2V 9000mAh Li-ion battery pack passed all the major global certifications, such as CB, CE, EN61000,IEC62133,MSDS.UN38.3,ROHS,UL,BIS,KC Certification,which makes your product more competitive.

Compared to a normal 12-month warranty, VTCBATT 18650 batteries have 14-month warranty and two extra months for shipping and customs clearance ,which ensure the customer’s profit.
VTCBATT Production and Service
VTCBATT not only focuses on customized design and excellent service to meet the diverse demands of different customers, but also devotes itself to precise and standardized manufacturing in every process to ensure the highest-quality batteries. Meanwhile, VTCBATT will provide comprehensive support from pre-sales to after-sales, focusing on customers’ feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your best custom battery experts to assist with reliable and fast services at any time.
From the raw materials mixing to the cell test, VTCBATT adopts an automatic manufacturing process to maximize production efficiency and enhance the batteries quality, safety, and reliability. The entire manufacturing process is monitored and 100% tested before flowing to the next procedure to ensure zero defects before delivery.
Over the past 20 years, VTCBATT has built strong partnerships with customers in more than 50 countries worldwide. With reliable quality, responsive service, and tailored battery solutions, we have earned the trust of our clients—many of whom have maintained long-term cooperation and lasting friendships with us for over a decade. Together, we continue to grow and move forward toward a brighter future.
Application for 18650-7S3P 25.2V 9000mAh Li-ion battery pack
This 25.2V 9000mAh battery pack fits equipment that needs a compact rechargeable power source with moderate current output, including portable testing instruments, industrial standby modules, mobile control systems, light electric mobility accessories, and custom electronic housings. Its 7S3P cylindrical structure, protected output design, and defined temperature charging and discharging ranges help equipment manufacturers choose a pack that is easier to integrate into controlled power systems rather than loosely specified replacement batteries. VTCBATT supports application-specific customization such as connector matching, wire length adjustment, label updates, protection circuit selection, sample testing, and batch production planning for distributors, brand owners, and device manufacturers that need factory-direct battery wholesale support.

















