Client Name: John
Client Location: United States
Product Model: CATL 120Ah Lithium Battery Cells (96 Pieces)
Brand: CATL
Manufacturer: Shenzhen Starnax Energy Technology Co., Ltd.
Application Scenario: Full Battery Pack Replacement & Upgrade for Nissan Leaf Electric Vehicle
This project covers a professional battery upgrade solution for US-based customer John’s Nissan Leaf, adopting 96 pieces of brand-new CATL 120Ah high-performance battery cells to completely replace the original aging factory battery pack. Manufactured and integrated by Shenzhen Starnax Energy Technology Co., Ltd., the customized CATL battery solution effectively solves the core pain points of the original Nissan Leaf battery such as severe capacity attenuation, insufficient cruising range, poor power output and frequent battery failure. After professional installation and debugging, the vehicle achieves restored full power performance, extended service life, stable charging and discharging efficiency and significantly improved driving experience. This upgrade provides a reliable, cost-effective and long-lasting battery renewal option for aging Nissan Leaf models in the US market.
The customer’s Nissan Leaf has been used for years, and the original factory battery pack exposed multiple intractable problems that seriously affected daily commuting and long-distance driving, bringing core challenges to vehicle use and battery replacement:
First, severe battery capacity degradation and insufficient cruising range. The original battery suffered obvious aging after long-term cycle charging and daily use, with sharp capacity loss. The actual available cruising range dropped greatly, failing to meet the customer’s daily travel and suburban driving demands, and causing serious range anxiety.
Second, unstable power output and degraded driving performance. The aging original battery had inconsistent discharge efficiency, resulting in weak vehicle acceleration, unstable power output during high-speed driving and climbing, and greatly reduced overall driving smoothness, which damaged the original driving experience of the electric vehicle.
Third, high hidden failure risks and short residual service life. The original battery module had aging internal chemical structure, accompanied by potential problems such as inconsistent cell balance and slow charging speed. It was prone to abnormal power failure and battery alarm, and the maintenance cost of the original battery was high while the renewal cycle was short.
Fourth, strict matching and compatibility requirements. The Nissan Leaf battery pack has a specialized installation structure and BMS adaptation logic. Ordinary replacement cells have poor compatibility, which may lead to system adaptation failure, inaccurate power display and even hidden safety hazards, putting forward high requirements for cell quality and integrated installation technology.
In response to the above pain points and challenges, Shenzhen Starnax Energy Technology Co., Ltd. provided a targeted full battery replacement and upgrade solution with 96PCS CATL 120Ah high-quality automotive-grade battery cells as the core, realizing perfect adaptation and performance upgrade for Nissan Leaf:
First, adopt top-tier CATL 120Ah A-grade automotive battery cells. As a world-leading power battery brand, CATL cells feature advanced stable chemical formula, ultra-low self-discharge rate, excellent cycle life and consistent charging and discharging performance. Compared with the original factory cells, they have higher safety, stronger durability and more stable long-term performance, fundamentally solving the aging and attenuation problems of the original battery.
Second, customize the 96-cell matching assembly scheme. According to the original size, installation space and series-parallel structure of the Nissan Leaf battery pack, our technical team optimized the collocation of 96 CATL 120Ah cells to ensure precise matching with the vehicle’s original BMS battery management system, realizing seamless adaptation of power signal, charging logic and power display without modifying the original vehicle circuit.
Third, conduct professional cell screening and balanced grouping. Before installation, all 96 CATL 120Ah cells undergo strict capacity screening, internal resistance testing and voltage balancing grouping to ensure consistent parameters of each cell, avoid local over-discharge and over-charge, and improve the overall stability and service life of the battery pack.
Fourth, support full-scenario adaptive use. The upgraded CATL 120Ah battery pack adapts to daily urban commuting, long-distance driving and conventional fast and slow charging modes in the US, with strong environmental adaptability, stable operation in different temperature environments, and effectively reduced battery failure rate.
Our professional technical team completed the whole process of original battery removal, cell assembly, wiring debugging, BMS adaptation and vehicle testing for the US customer’s Nissan Leaf efficiently and standardizedly. After the installation and commissioning were fully completed, the vehicle passed multiple rounds of charging and discharging tests and road tests, achieving remarkable upgrade results:
This Nissan Leaf battery upgrade project for US customer John fully verifies the excellent performance and strong compatibility of CATL 120Ah battery cells in the field of electric vehicle battery renewal. Relying on high-quality CATL brand cells and the professional integration and customization capability of Shenzhen Starnax Energy Technology Co., Ltd., the project successfully solves various aging problems of the original battery of Nissan Leaf, realizes comprehensive upgrade of vehicle cruising range, power performance and battery stability.
As a reliable and cost-effective battery replacement solution, 96PCS CATL 120Ah cell upgrade is highly suitable for the renewal and transformation of aging Nissan Leaf models in the US and global markets. In the future, we will continue to provide global electric vehicle users with high-quality, safe and customized battery upgrade and replacement solutions based on top-tier cell technology and professional engineering experience, helping more aging new energy vehicles regain excellent performance and extend service life.
