Home Batteries Nano-diamond battery that lasts for 28,000 years closer to becoming commercial product Nano-diamond battery that lasts for 28,000 years closer to becoming commercial product 29 Aug 2020 | BatteriesHeadline5NewsTechnical Nano-diamond battery that lasts for 28,000 years closer to becoming commercial product US startup NDB announced that the proof of concept of its nano-diamond battery achieved a breakthrough 40% charge.