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Chenj manuals

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CHENJ Universal Battery USB Charger Instruction Manual

Universal Battery USB Charger • January 18, 2026
Comprehensive instruction manual for the CHENJ Universal Battery USB Charger with LCD Indicator Screen, covering setup, operation, specifications, and safety guidelines for removable phone batteries.

HY300/HY300Pro/HY320 Projector Power Cord User Manual

HY300/HY300Pro/HY320 Projector Power Cord • November 13, 2025
Comprehensive user manual for the CHENJ HY300/HY300Pro/HY320 Projector Power Cord, including setup, operation, maintenance, troubleshooting, and specifications.