# CATL Naxtra sodium-ion battery

10 Hacker News commenters recommended CATL Naxtra sodium-ion battery and 2 criticized it, November 2025 to November 2026. It was recommended in 8 of 13 months. It meets the Hacker Approved badge rule.

**Verdict:** Sodium-ion cells that resist fire, work in extreme cold and heat, and avoid rare materials; critics say energy density is not a breakthrough.

## Why people recommend it

- Works in extreme cold and heat (3 comments): "The benefits are cold performance, durability and potentially price in the future." ([source](https://news.ycombinator.com/item?id=47525910)) "offer an exceptionally Wide Operation-Temperature Range from −70 to 100." ([source](https://news.ycombinator.com/item?id=49698213)) "They can also charge at temperatures as low as -30°C to -40°C." ([source](https://news.ycombinator.com/item?id=47064651))
- Durable with high charge rates (2 comments): "The benefits are cold performance, durability and potentially price in the future." ([source](https://news.ycombinator.com/item?id=47525910)) "it is durable and has much higher charge/discharge amperage limits" ([source](https://news.ycombinator.com/item?id=47525531))
- Resists fire under puncture or heat (2 comments): "CATL sodium are manufacturable batteries that don't violently deflagrate under puncture, cutting, or high temperature" ([source](https://news.ycombinator.com/item?id=49194651)) "CATL's Naxtra sodium-ion batteries while only 175 Wh/kg are far safer" ([source](https://news.ycombinator.com/item?id=46512603))
- Promising for home and grid storage (2 comments): "will very likely be a game changer for several power storage use cases" ([source](https://news.ycombinator.com/item?id=46524443)) "Looks ideal for a power wall at home." ([source](https://news.ycombinator.com/item?id=48510754))

## Where to get it

- [Visit the official site](https://www.catl.com/)

## Cite as

Hacker Approved, "CATL Naxtra sodium-ion battery", https://hackerapproved.com/p/catl-naxtra-sodium-ion-battery/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).