LG RESU 10H battery recall: what it means and what to do

LG Energy Solution Michigan recalled LG Chem RESU 10H home batteries in December 2020, August 2021 and October 2022 because they can overheat and pose a risk of fire and harmful smoke. The 2020 and 2021 recalls cover batteries whose serial number begins with R15563P3 and offer a free replacement. The 2022 recall uses a remote software update that monitors the cells and shuts the battery down if a fire risk is detected.

Safety: act now

Common causes

  • Battery cells that can overheat, according to the U.S. Consumer Product Safety Commission recall notices.

Safe steps to try

  1. Find your serial number CPSC says the serial number is behind the access door of the RESU 10H. Recalled units in the 2020 and 2021 recalls have serial numbers beginning with R15563P3. If you cannot see it without opening equipment, ask your installer to check.
  2. Contact LG Energy Solution Michigan Call 888-737-8104 (9 a.m. to 5 p.m. ET, Monday to Friday) or email [email protected] to confirm whether your battery is affected and schedule the free remedy.
  3. Keep the battery online The 2022 recall remedy is a remote software update for batteries that are connected online, so keep your inverter and battery connected to the internet.
  4. If the battery shuts down, leave it off CPSC's 2022 notice says that if the battery shuts down, contact LG for instructions and do not try to turn it on again.

When to call a professional

If you smell burning, see smoke or notice heat from the battery, leave the home and call 911. Otherwise contact LG Energy Solution Michigan, and your installer, to confirm recall status and schedule replacement.

Frequently asked questions

How many batteries were recalled?
CPSC lists about 1,815 units in December 2020, about 10,000 in August 2021 and about 11,500 in October 2022.
Does the recall cost anything?
The 2020 and 2021 recalls offer a free replacement. The 2022 remedy is a software update arranged by LG.
Which batteries are covered?
The notices cover LG Chem RESU 10H lithium-ion home batteries sold through solar storage distributors from 2017 to 2020. Check your serial number with LG to be sure.

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