Renogy 51.2V 210Ah Smart Lithium Iron Phosphate Battery
The Renogy 51.2V 210Ah Smart Lithium Iron Phosphate Battery is a battery pack with a nominal voltage of 51.2 V and a nominal capacity of 210 Ah.
Last updated: 21 September 2026
What we found
- Specifications are published for it, each with its source.
- 1 recall or safety notice is matched to it.
- 1 figure is contradicted by another credible source. Both readings are shown below, and neither is presented as the correct one.
Battery and charging
- Voltage
- 51.2 V
- Cell supplier
- Shenzhen Lithtech Energy, in Shenzhen
- Nominal capacity
- 210 Ah
“Battery pack rated at 51.2 Volts and a storage capacity of 210-Ah. Used by customers to store electrical energy.”
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
“Component Manufacturer Name : Shenzhen Lithtech Energy Co.,Ltd”
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
“Battery pack rated at 51.2 Volts and a storage capacity of 210-Ah. Used by customers to store electrical energy.”
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
Battery care and safety
- Warning signs of a failing battery
- "Cell Imbalance" on the screen, or live terminals with the battery off
“Identification of Any Warning that can Occur : "Cell Imbalance" on the samkoon screen Live voltage on the battery terminals when the battery is in the off position”
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
Identity
- Model code
- RBT210LFP51S-12
- Part number — the maker's documents disagree
- Sources disagree
RBT210LFP51S-12-G1-U in Equipment Information
“Part No. : RBT210LFP51S-12-G1-U”
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
RBT210LFP51S-12-G1-US in Involved Components
“Component Part Number : RBT210LFP51S-12-G1-US”
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
“Model : RBT210LFP51S-12 Part No. : RBT210LFP51S-12-G1-U”
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
Buying and owning it
- What it is said to be best for
- Built for RVs, fitted by Renogy's OEM partners
“The battery packs subject to the recall were originally designed for installation in recreational vehicles of OEM partners.”
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
Other findings
- Recall advice at notification
- Renogy advised continued use at the owner's own risk
- Recall defect in makers words
- Relay logic that lets the battery wear its own contactors out
- Recall notified party
- The letter went to a component distributor, not to owners
“During this recall process, we advise consumers to exercise caution and continue using the product at their own risk.”
Source: static.nhtsa.gov/odi/rcl/2024/RCMN-24E005-1269.pdf
“Battery relay activation, protection, and recovery logic do not fully safeguard the battery from being engaged in a negative feedback loop that exasperates relay mechanical life. This condition may result in stuck relay contactors.”
Source: static.nhtsa.gov/odi/rcl/2024/RCMN-24E005-1269.pdf
“[…] Business Unit Director - Patrick Distribution […] Web www.patrickind.com […] 5400 Beck Drive, Elkhart, IN 46516”
Source: static.nhtsa.gov/odi/rcl/2024/RCMN-24E005-1269.pdf
Recalls (1)
Most recalls cover only certain model years, serials or build dates — view each notice to check it against your own unit.
- 2024-01-26NHTSA & Coast GuardUnder certain conditions, contactors that are stuck in a closed position could lead to a thermal runway event when charging.packs built between 17 May 2021 and 15 December 2023 — Renogy put 1,800 in the field and estimated 10% carried the defect.View recall →
Recalls and fire safety
- Units the manufacturer's notice covers
- Built 17 May 2021 to 15 December 2023 — 1,800 packs, 10% thought defective
“Production Dates : MAY 17, 2021 - DEC 15, 2023”
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
Sources
- Archived document
Source: static.nhtsa.gov/odi/rcl/2024/RCLRPT-24E005-9015.PDF
Retrieved September 11, 2026
- Archived document
Source: static.nhtsa.gov/odi/rcl/2024/RCMN-24E005-1269.pdf
Retrieved September 21, 2026