CATL Naxtra sodium-ion battery
Hacker ApprovedSodium-ion battery
Sodium-ion cells that resist fire, work in extreme cold and heat, and avoid rare materials; critics say energy density is not a breakthrough.
Sodium-ion cells that resist fire, work in extreme cold and heat, and avoid rare materials; critics say energy density is not a breakthrough.
12 people gave an opinion
- recommend it
- 10
- criticize it
- 2
- approval share
- 83%
Recommended in 8 of 13 months
- November 2025: not recommended
- December 2025: recommended
- January 2026: recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: not recommended
- May 2026: recommended
- June 2026: recommended
- July 2026: not recommended
- August 2026: recommended
- September 2026: recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it carries the badge
- 10 people recommend itNeeds 10 or more, met.
- 5 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 8 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Works in extreme cold and heat
“The benefits are cold performance, durability and potentially price in the future.”
Comment from 26 Mar 2026 in “Sodium-ion EV battery breakthrough delivers 11-min charging and 450 km range” “offer an exceptionally Wide Operation-Temperature Range from −70 to 100.”
Comment from 14 Sep 2026 in “'Offensively cheap': solar power is looking up” “They can also charge at temperatures as low as -30°C to -40°C.”
Comment from 18 Feb 2026 in “Vermont EV buses prove unreliable for transportation this winter” Durable with high charge rates
“The benefits are cold performance, durability and potentially price in the future.”
Comment from 26 Mar 2026 in “Sodium-ion EV battery breakthrough delivers 11-min charging and 450 km range” “it is durable and has much higher charge/discharge amperage limits”
Comment from 26 Mar 2026 in “Sodium-ion EV battery breakthrough delivers 11-min charging and 450 km range” Resists fire under puncture or heat
“CATL sodium are manufacturable batteries that don't violently deflagrate under puncture, cutting, or high temperature”
Comment from 6 Aug 2026 in “Why Is Everyone Trying to Build a Solid-State Battery?” “CATL's Naxtra sodium-ion batteries while only 175 Wh/kg are far safer”
Comment from 6 Jan 2026 in “Worlds's first all-solid-state battery ready to power up production vehicles now” Promising for home and grid storage
“will very likely be a game changer for several power storage use cases”
Comment from 7 Jan 2026 in “CATL EV batteries significantly outperform rivals in degradation, tests show” “Looks ideal for a power wall at home.”
Comment from 12 Jun 2026 in “Renault: Electric motors with no rare earths”
What people said
All 13 comments that mention it, newest first. Each links to the original comment.
“offer an exceptionally Wide Operation-Temperature Range from −70 to 100.”
“CATL sodium are manufacturable batteries that don't violently deflagrate under puncture, cutting, or high temperature”
“Looks ideal for a power wall at home.”
“you end up paying twice as much for half the power”
“You probably shouldn't invest to heavily in gen1 (production) sodium-ion batteries.”
“they do not use anything expensive, rare, or particularly damaging to extract from the environment”
“The benefits are cold performance, durability and potentially price in the future.”
“it is durable and has much higher charge/discharge amperage limits”
“Useful, but not a "breakthrough" in energy density.”
“They can also charge at temperatures as low as -30°C to -40°C.”
“will very likely be a game changer for several power storage use cases”
“CATL's Naxtra sodium-ion batteries while only 175 Wh/kg are far safer”
“It's a real breakthrough in battery tech.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.