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- Wed, 04 Apr 2018, 13:51
- Forum: Batteries, charging, management and monitoring
- Topic: Arvio 3.5kWh drop-in-battery-replacement supercapacitor on sale
- Replies: 384
- Views: 74934
A quick search on the web archive revealed how the claims of this company morphed from phantastic to outrageous. In 2015 they claimed to have a hybrid lithium ion / supercap battery with 80 to 100Wh/ kg energy density and a 500,000 life cycle rating. By 2017, this became a pure supercap storage batt...