Recent content by nx6

Hello everyone, I have a question regarding the difference between 2-pole (2P) and 3-pole (3P) DC surge protective devices (SPDs) used in PV systems. As I understand it, a 2P SPD protects the positive and negative lines, while a 3P SPD protects the positive, negative, and grounding lines. My...

When installing a fuse for a DIY battery, it is common to place it as close as possible to the positive terminal of the battery cell. While installing a fuse on both the positive and negative sides can provide redundancy, typically, a single high-quality, reliable fuse installed on the positive...

The datasheet of the LF304, which has a similar capacity to the EVE MB30, states that it has 4000 cycles until its capacity degrades to 80% when charged and discharged at 0.5C. Considering this point, isn't the MB30 an upgraded cell that has a large capacity yet maintains durability similar to...

Some high-end home energy storage systems incorporate Aerosol Fire Extinguishing devices. These are fire suppression systems that release aerosolized particles containing potassium ions and other radicals to inhibit the combustion chain reaction. Although I have never seen these sold to general...

It appears that Xinrong has recently released a new battery case called 'XR-08' equipped with a JK BMS. Although the lack of protective devices like circuit breakers or fuses is a concern, the price is attractive. https://aliexpress.com/item/1005006827900134.html