Grepow Advances Next-Gen Energy Transition with Commercial Launch of High-Performance Sodium-Ion Pouch-Cell Platform

Nov 12, 2026

Livermore, California, United States, November 12, 2026 -- On Nov. 12, 2026, Grepow, a rechargeable cell and battery solutions manufacturer, introduced its all-new sodium-ion pouch-cell platform comprising five models. With capacities ranging from 2.0 Ah to 7.0 Ah, the cells are designed for low-temperature performance, high-rate pulse power, and flexible pack integration. The launch marks Grepow’s transition from technical validation toward commercial deployment of a multi-model sodium-ion product portfolio.

As the global battery industry places greater emphasis on supply-chain resilience, cost competitiveness, and performance in extreme environments, sodium-ion batteries are rapidly transitioning from laboratory technology to commercial applications. Compared to lithium-ion, sodium resources are more abundant and widely distributed; sodium-ion battery systems are also expected to reduce reliance on critical metals such as cobalt and nickel, thereby alleviating pressure on resource extraction, raw material price volatility, and supply chain concentration risks.

Furthermore, sodium-ion batteries offer improved safety and tolerance to over-discharge: their more stable electrochemical system helps reduce the risk of thermal runaway; even after deep discharge below the cutoff voltage, the batteries are expected to recover through subsequent charging, thereby reducing the risk of failure caused by long-term storage or extreme operating conditions.

Sodium-ion batteries also offer exceptional cold-weather resilience, helping address the classic winter bottlenecks of lithium-ion technology—fast battery drain and charging difficulties. Driven by unique material design and fast ion transport dynamics, sodium ions move smoothly in sub-zero temperatures, delivering impressive capacity retention, fast charge acceptance, and strong power delivery. For commercial fleets and users in frigid climates, this can reduce heavy reliance on auxiliary heating and support more reliable winter operation.

“Sodium-ion technology has potential beyond any single end product and should not be simply viewed as a full replacement for lithium-ion batteries. As material systems, manufacturing processes, and cell engineering mature, sodium-ion is emerging as an important complementary electrochemical route,” said Dr. Pi, a battery R&D expert at Grepow. With abundant raw materials, supply chain diversification, strong low-temperature resilience, enhanced safety, and superior over-discharge tolerance, sodium-ion batteries offer a compelling alternative for reliability-critical applications such as backup power, energy storage systems, industrial vehicles, and cold-weather starting. They are also well-positioned to become a key complement to lithium-ion systems across cost-sensitive energy storage, light mobility, and industrial sectors.

Targeting demanding cold-climate applications, Grepow prioritized validating the extreme-cold pulse discharge performance of its sodium-ion cells. High-rate pulse discharge trials were conducted on both sodium-ion and lithium iron phosphate (LFP) cells at -20°C (28C rate). Under these test conditions, the selected sodium-ion cell demonstrated stronger low-temperature pulse-discharge capability than the tested LFP cell, establishing a strong preliminary engineering benchmark for starter batteries, heavy machinery, and outdoor power systems operating in frigid environments.

Beyond low-temperature power performance, Grepow’s sodium-ion cells deliver longer cycle life, which can reduce replacement frequency and total cost of ownership, particularly for frequently used, long-life industrial and power applications. Under internal test conditions of 25°C, 1C charge, and 30C discharge, a selected sodium-ion cell retained 94% of its capacity after 2,000 cycles. Based on the current capacity-fade curve, the cell is projected to exceed 4,000 cycles before reaching 80% capacity retention, provided that the fade rate does not accelerate significantly.

Rather than introducing a single off-the-shelf battery pack, Grepow is launching a customizable sodium-ion pouch-cell platform for customer evaluation and application testing. The initial series of Grepow’s sodium-ion cells comprises five models with capacities of 2.0 Ah, 3.0 Ah, 3.5 Ah, 6.5 Ah, and 7.0 Ah, each with a nominal voltage of 3.0 V. The cells support discharge rates of up to 45C for 30 seconds and pulse discharge rates of up to 100C for 2 seconds, meeting short-duration, high-power needs such as cold cranking, transient acceleration, and peak-power compensation.

The range of pouch-cell formats provides flexibility in pack design and system integration. Based on customer requirements for voltage, current, operating temperature, available space, and installation method, Grepow supports cell selection and validation, sample testing, BMS and charging-system matching, structural design, and battery-system integration.

Looking ahead, sodium-ion batteries are expected to find broader applications in areas such as energy storage in cold regions, backup power for communication base stations, cold-weather starting for construction machinery and commercial vehicles, outdoor power equipment, robotics, and light electric vehicles. Customers can evaluate the suitability of sodium-ion cells based on requirements such as low-temperature power output, high pulse output, operating modes, and system costs. Grepow will continue to refine its sodium-ion cell platform and work with industry partners to drive the commercialization of sodium-ion technology in an even wider range of demanding application scenarios.

About Grepow

Established in 1998, Grepow is a developer and manufacturer of rechargeable battery cells, custom BMS, and integrated battery solutions. Grepow provides battery solutions for applications including drones, RC hobbies, robotics, industrial equipment, smart wearables, consumer electronics, physical AI hardware, jump starters, starter batteries, and other professional fields.

With the launch of its new sodium-ion pouch-cell platform, Grepow expands its engineering expertise into next-gen battery chemistry, delivering market-ready, customizable, and integration-friendly sodium-ion solutions for diverse commercial applications.

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Contact Info:
Name: Joyce Yang
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Organization: Shenzhen Grepow Battery Co., Ltd.
Phone: +86-755-88376378
Website: https://www.grepow.com/

Release ID: 89209390

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