SHENZHEN, China--(BUSINESS WIRE)--Nov 27, 2025-- WattCycle announces the launch of its U.S. Black Friday battery deals 2025, offer up to 60% off for LiFePO4 batteries plus an additional 8% discount at checkout with no minimum requirements. All users are covered by a 30-day price protection policy to ensure they secure the best available price during the promotion. This press release features multimedia.