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Brazil's ANATEL releases new regulations for certification of fixed lithium batteries, to be enforced in October 2026

Author.

LCS

Source:

Post time:

2026-06-30

ANATEL Brazil has issued Ato n º 5314/2026 on April 14, 2026, which specifies the certification requirements for fixed lithium-ion batteries and their BMS. This regulation is mainly aimed at energy storage products used in the Brazilian communication field, including communication backup power supplies, base station battery systems, and UPS supporting batteries, and is planned to be enforced from October 12, 2026.

 

According to the new regulations, the applicable objects are fixed lithium-ion secondary batteries used for communication equipment power supply or backup power supply scenarios, which usually need to meet the following basic conditions:

 

For fixed lithium-ion secondary batteries

The nominal voltage is 24V or 48V

The design service life shall not be less than 10 years (calculated based on 25 ℃ float charging conditions)

Applied to telecommunications equipment power supply or backup power supply scenarios

 

At the same time, such products must integrate BMS and have related functions such as communication, protection, and status monitoring. When applying for certification, the certificate holder also has clear restrictions and must be a local Brazilian company, usually assumed by the importer or distributor.

 

In terms of detection and evaluation, ANATEL adopts a designated standard system:

 

ABNT NBR 16975:2021, Used for electrical performance verification

ABNT NBR 16976:2021, Used for security performance testing

BMS communication needs to support MODBUS protocol and be able to output data such as voltage, temperature, SOC, SOH, and alarm status

 

This certification belongs to the type approval mode. After the certificate is approved, it is necessary to conduct a review of the product and its production management system every three years to confirm continued compliance with relevant regulatory requirements.

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