from chemistry to pack
An AI training rack is not a bigger version of an old server rack. It draws power in a different pattern, at a different voltage, and the battery that protects it has moved from a separate battery room to a shelf inches from the accelerators. This post sets out what that shift asks of the … Read more
A grid battery is built to a specification, but it is paid for by markets. Which markets, and in what combination, decides how the battery is sized, how hard it is cycled and how long it lasts. This page explains the main revenue streams, what the term revenue stacking means, and how the choice feeds … Read more
Grid storage cells have grown quickly. The 280Ah and 314Ah LFP prismatic cells that defined the early 2020s are being displaced by 500Ah-plus formats, with 587Ah, 628Ah and 684Ah in production or launch, and claims above 1000Ah announced [1]. The interesting engineering question is where the benefit actually lands. Most of it shows up at … Read more
CATL and Quibo’s Mobile Power Plant Ultra 2.0 packs up to 2,036 kWh, a converter, EV chargers and a solar inverter into a 20-foot container. What the IAA 2026 placard discloses, what it leaves out, and how it compares.
Battery energy storage systems are specified differently from EV packs. The load profile, cycle regime, and contractual performance requirements all feed into the sizing process — and getting any one of them wrong means either under-delivering on paper or over-spending on hardware. This page walks through the key parameters and the logic that connects them, … Read more
Author: Arthur Claire, Sinovoltaics Factory acceptance testing is a structured verification process conducted at the manufacturer’s facility before a BESS is shipped to its installation site. The purpose is straightforward: confirm that the system meets the contractual specifications, performance requirements, and applicable safety standards before you take delivery. A comprehensive BESS factory acceptance testing program … Read more
Review based on Arthur Claire’s LinkedIn post. Many people think that BESS fires are always due to the batteries 🔋 🔥 This is not what the data are saying. Chinese researchers just published the most complete root-cause breakdown of global BESS fires from 2016 to 2025 with 102 incidents analysed. The root cause split is … Read more
Based on the analysis of the Battery Energy Storage System (BESS) applications, there is a clear correlation between the scale of the application and its nominal voltage. Key Findings: NOTE: this analysis has been done using AI to look at the Battery Pack Database. Hence it is based on the data we have provided along … Read more
Author: Sebastian Kawollek A look at this paper and how it compares to what we see in the field. Xu J, Li H, Hua S and Wang H (2025) Experimental investigation of grid storage modes effect on aging of LiFePO4 battery modules. Front. Energy Res. 13:1528691. Introduction: To investigate the degradation behavior of energy storage batteries … Read more
CATL published a document in 2024 that looked at BESS lifecycle and durability [1]. BESS = Battery Energy Storage System and covers everything from Home, Commercial through to grid storage. In this instance CATL were looking at grid storage units. As they point out, the characteristics: when compared to automotive they see the challenges: This … Read more