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E-Bike Battery Specs: What the Numbers Don’t Tell You

E-Bike Battery Specs: What the Numbers Don’t Tell You

Oct 5, 2026 | Battery Technology, e-Bikes, Electric Vehicles

An e-bike battery is sold on three numbers: voltage (V), amp-hours (Ah) and watt-hours (Wh). Multiply the first two to get the third — a 48-volt, 14-amp-hour pack holds 672 watt-hours — and watt-hours is the one that predicts how far you will ride. The number that...
The BrightVolt Take: Geely’s Nio Deal Won’t Fix Car Swapping

The BrightVolt Take: Geely’s Nio Deal Won’t Fix Car Swapping

Oct 1, 2026 | Battery Technology, Charging & Infrastructure, Electric Vehicles

Geely is buying 30% of Nio’s battery-swapping arm at a valuation of about 16 billion yuan ($2.2 billion), and the market is reading it as the moment car battery-swapping finally cleared the problem that has always defined it: nobody else’s cars can use the...
The BrightVolt Take: China’s EV Boom Is Outrunning Battery Validation

The BrightVolt Take: China’s EV Boom Is Outrunning Battery Validation

Sep 29, 2026 | Battery Technology, Electric Vehicles, Policy & Regulations

China launched more than 600 new vehicle models in the first half of 2026 — close to four a day — and the man whose company builds the batteries in a third of them thinks that is the problem. At the World Power Battery Conference in Yibin in early September, CATL...
Wave-Making Resistance: Why Speed Drains an Electric Boat

Wave-Making Resistance: Why Speed Drains an Electric Boat

Sep 28, 2026 | Boats, Electric Vehicles

A Candela C-8 electric hydrofoil carries a 69 kWh battery and covers 57 nautical miles at 20 knots. A conventional electric boat with a 110 kWh pack — 60% more battery — manages 20 to 30. The bigger battery loses. The reason is not the cells or the motor. It is a wave...
Denza Z9S: The World’s Longest EV Range, Decoded

Denza Z9S: The World’s Longest EV Range, Decoded

Sep 24, 2026 | Battery Technology, Cars, Electric Vehicles

Denza, BYD’s premium marque, launched the Z9S on 23 September 2026 with a record bolted to the press release: at 1,100 km on China’s CLTC cycle, it is the longest-range mass-produced electric car on sale. The figure is genuine. It is also the least...
The BrightVolt Take: Europe’s 30% EV Month Is One Month

The BrightVolt Take: Europe’s 30% EV Month Is One Month

Sep 18, 2026 | Electric Vehicles, Policy & Regulations

Europe’s electric-car share hit a record 30.5% in August, and the number travelled around the world in a day. It is real, and it is misleading. The figure covers one month, in sixteen hand-picked markets, compiled by an electric-vehicle industry group. The...
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