Renogy REGO 12V/24V 30A Bidirectional DC-DC Battery Charger

Renogy REGO 12V/24V 30A Bidirectional DC-DC Battery Charger for RV, truck, marine, overland, and mobile-power systems that need flexible charging between 12V and 24V battery banks.

• Exact SKU: RBC2115DS-21W-G1-US
• 30A rated charge current on 12V systems / 15A on 24V systems
• 450W rated charge power
• Supports 12V→12V, 12V→24V, 24V→12V, and 24V→24V operation
• Built-in Bluetooth plus RV-C / RS485 communication
• Automatic voltage detection and bidirectional charging
• AGM/SLD, GEL, flooded, lithium, and user-defined battery profiles
• IP43 enclosure with reverse-polarity, over/undervoltage, overcurrent, and overtemperature protection
• Dimensions: 9.41 × 6.15 × 2.74 in
• Weight: 3.72 lb
• Warranty: 5 years

Availability is supplier-controlled and rechecked during fulfillment. Remote-market shipping eligibility and rates are shown at checkout where supported.