Comprehensive 4-in-1 adapter set for seamless connections with DC5521 and DC7909 in solar applications. Efficient power delivery - Maximum current up to 7 A - Designed for solar modules up to 140 W at 18 V or up to 280 W at 36 V to maximize energy transfer Stable power cable - Oxygen-free copper wire minimizes resistance - Ensures steady current across all devices connected via this charging cable Key features and benefits - Compatibility: supports DC5521 and DC7909 configurations to adapt to a range of solar equipment - Function: provides versatile 4-in-1 adapter options to streamline connections in solar setups - Performance: materials and design focus on low resistance and reliable current delivery for stable operation - Practicality: reduces the need to carry multiple cables by covering multiple common connector configurations Use scenarios - Off-grid solar installations: connect a solar panel to a compatible charge controller or battery system using the adapters - Portable solar setups: adapt panel output for RVs, camping, or small portable power stations that require DC5521 or DC7909 connections - Field service and maintenance: quickly swap adapters to fit different devices in remote or temporary installations