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  What is the ampere-hour of a battery？ The ampere-hour (Ah) of a battery refers to its capacity to supply a certain amount of current over a period of time. It's a unit that measures the charge stored in the battery, but it's distinct from amperes (A), which measure the flow of current. For example, a  12v lithium battery  rated at 80Ah means it can supply 20 amps of current for 4 hours before being depleted. If the current draw increases to 40 amps, the battery will only last 2 hours. These calculations are based on ideal conditions, such as stable power, no vibrations, and a perfect temperature. In reality, factors like internal resistance and energy loss can affect battery life. If the load exceeds the battery’s capabilities (like a 90-amp draw), the battery would last much less than expected, and it could overheat or fail entirely. In simpler terms, ampere-hours help you understand the total charge a battery can store, letting you estimate how long it can power devic...

  On April 21, 2025, CATL (Contemporary Amperex Technology Co. Limited) held its first Super Tech Day, unveiling three groundbreaking EV battery products — the   Sodium-ion Passenger Vehicle Battery , the   Xiaoyao Dual-Core Battery , and the s econd-generation Shenxing Superfast Charging Battery   — along with one storage battery product: the Sodium-ion 24V Integrated Start-Stop Battery for heavy-duty trucks. These disruptive innovations push the boundaries of battery technology and mark the beginning of a new multi-core era for the new energy industry. The Xiaoyao Dual-Core Battery introduces an entirely new design that bridges different chemical systems, breaking the technical limitations of single-chemistry solutions to meet customized user needs. This flagship product is built upon CATL’s dual-core architecture and its pioneering self-forming anode technology, offering deep integration between structure and intelligence. The dual-core structure means the battery...

  Are you in the market for a  LiFePO4 battery charger ? With so many options available, it can be hard to choose the best option for your specific needs. In this blog post, we'll discuss the essential features and considerations of LiFePO4 battery chargers so that you can make an informed decision. Types of LiFePO4 Chargers First, let’s take a look at the different types of LiFePO4 battery chargers available on the market today. There are three main types: fast charge, programmable and automatic. The type that is best suited for your application depends on its purpose and how often it will be used. Fast Charge:  A fast charge LiFePO4 charger is designed to quickly top up batteries while they are in use, making them ideal for applications such as electric vehicles or small power tools where frequent re-charging is necessary. As with any technology, faster charging comes at a cost—namely a decrease in cycle life due to more rapid voltage fluctuations over time (though not ...

What are LFP and AGM Batteries? LFP Battery An LFP battery, or Lithium Iron Phosphate battery, is a type of lithium-ion battery that uses lithium iron phosphate for the positive electrode and carbon for the negative electrode. Its nominal voltage is 3.2V. One of its most reassuring features is its excellent safety performance, which is why many manufacturers favor LFP batteries. AGM Battery An AGM battery is a type of valve-regulated sealed lead-acid battery that uses a glass fiber separator. Its positive and negative electrodes are made of lead and lead oxides, and it uses sulfuric acid as the electrolyte. The nominal voltage is 2.0V. AGM batteries have a long history and are among the most widely used batteries globally. Differences Between LFP and AGM Batteries 1. Weight and Volume LFP batteries are generally less than half the weight of AGM batteries and are also smaller in size. For the same capacity, the size and appearance difference between these two batteries is substantial. 2...

  From June 19 to 21, the European Smart Energy Exhibition opened in Munich, Germany. At the exhibition, Svolt brought high-safety short-knife energy storage cells, industrial and commercial, power liquid cooling energy storage , and a full range of products. In the face of new energy storage safety challenges under low-cost competition, Svolt's latest dynamic storage thermal power separation technology has also made a stunning debut, protecting the new safety of energy storage from the triple protection of battery cell, PACK, and system-level according to the car-gauge level standard. Vehicle gauge level multi-technology route energy storage battery protects the new safety of energy storage from the "core" At this exhibition, Svolt exhibited its unique short knife energy storage battery series, VDA and soft pack energy storage battery, and other 9 batteries. In the short knife energy storage special battery, in addition to the 325Ah battery that has been mass-produced, ...

  How to Test New LiFePO4 Cells and the Tools You’ll Need If you’ve just received a shipment of  new LiFePO4 cells ,  congratulations! These lithium iron phosphate batteries are renowned for their high energy density, long cycle life, and excellent safety profile. However, before integrating them into your project, it’s crucial to test them to ensure they are functioning correctly and to detect any defects or issues early on. This guide will walk you through the steps of testing your new LiFePO4 cells and the necessary tools. Step 1: Check the Voltage The first step after receiving your new LiFePO4 cells is to check their voltage. You’ll need a multimeter, a tool that measures electrical voltage, current, and resistance. Ensure the battery is disconnected from any circuits and set the multimeter to DC voltage. Touch the multimeter’s positive (red) lead to the battery’s positive terminal and the negative (black) lead to the negative terminal. The voltage reading should fa...