RNG International Battery Pack (RNG) – Relay Contactor Issue (2024)
Check Your Product
According to the National Highway Traffic Safety Administration (NHTSA)
Product
RNG INTERNATIONAL BATTERY PACK
Brand
RNG INTERNATIONAL
Lot Codes / Batch Numbers
Not specified in NHTSA notice. Check official source for details.
Renogy is recalling certain RNG INTERNATIONAL BATTERY PACK equipment due to electrical system:12v/24v/48v battery issues. Relays that are stuck in the closed position increase the risk of a fire during battery charging..
Summary derived from NHTSA notice
Reason for Recall
As stated by NHTSA
Renogy is recalling certain battery packs with model number RBT210LFP51S-12 and part number RBT210LFP51S-12-G1-U. The battery relay contactors may become stuck in the closed position.
Reported concern (NHTSA)
Relays that are stuck in the closed position increase the risk of a fire during battery charging.
Recommended Action
Per NHTSA guidance
Dealers will update the firmware, free of charge. Vehicle manufacturers were notified February 2024. Owners may contact Renogy customer service at 1-909-760-6898.
Verify this information on the official source
For complete details and official instructions, check the National Highway Traffic Safety Administration (NHTSA) directly.
View official NHTSA recall noticePage updated: Jan 10, 2026