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Hollyland NP-F550 Battery — 3,000 mAh NP-F series replacement battery for Hollyland Mars and Cosmo wireless video transmission systems. The Hollyland NP-F550 is a rechargeable lithium-ion battery in the industry-standard NP-F form factor, designed to power Hollyland’s Mars and Cosmo series wireless HDMI/SDI transmission units. The NP-F format is widely adopted across broadcast and production equipment, so these batteries are also compatible with many third-party monitors, video lights, and accessories that accept the same footprint. The NP-F550 is the most compact option — ideal for lightweight kit builds where size matters more than maximum run time. Pair with the Hollyland S-HOL-DC01 dual-slot charger for efficient back-to-back location charging. Key features NP-F standard form factor — fits Hollyland Mars & Cosmo series and compatible third-party gear 3,000 mAh capacity for extended run time 7.4 V nominal voltage Rechargeable lithium-ion Compatible with Hollyland S-HOL-DC01 dual-slot charger Specifications Model: NP-F550 Capacity: 3,000 mAh Voltage: 7.4 V (nominal) Chemistry: Lithium-ion Form factor: NP-F Compatibility: Hollyland Mars & Cosmo series Need help choosing? Contact us at +27 32 586 3694 or support@audicoonline.co.za.