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Why do lithium batteries be equipped with a protection board?

June 22, 2026

Why must lithium batteries be equipped with a protection board? And how does voltage difference come about? I’ll explain everything clearly in one go.

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Helith Technology (Guangzhou) Co., Ltd.

quality LiFePO4 Solar Battery, 12V LiFePO4 Lithium Battery manufacturer from China

Why do lithium batteries be equipped with a protection board?

Hive L50-1 Wall-Mounted/Floor-Standing LiFePO4 Battery for Solar Storage, 5.12kWh, Residential Use

51.2V 100A Stackable Lithium Battery Rack Mount For Household

Helith Factory

Stable 72A RV Lithium Battery IP65 Waterproof With LCD Display

36 Ton Approx. Commercial And Industrial Energy Storage within W6058D2438H2896 Mm 20HC

Waterproof Lifepo4 Battery 1000ah Stable , 1280WH All In One Solar Battery

Optimize Your B2B Experience with All In One Energy Storage System 280 Ah LFP Cell Type

Why do lithium batteries be equipped with a protection board?

GREAT POWER - HENAN PRODUCTION

Max-20HC-5000

215 C＆I energy storage system

Multi Function Electric Scooter Rechargeable Battery Waterproof Practical

Air Cooled Industrial Energy Storage System , 13716x2438x2896mm All In One Battery

48V LiFePO4 Lithium Battery

Helith Technology (Guangzhou) Co., Ltd.

quality LiFePO4 Solar Battery, 12V LiFePO4 Lithium Battery manufacturer from China

Why do lithium batteries be equipped with a protection board?

Hive L50-1 Wall-Mounted/Floor-Standing LiFePO4 Battery for Solar Storage, 5.12kWh, Residential Use

51.2V 100A Stackable Lithium Battery Rack Mount For Household

Helith Factory

Stable 72A RV Lithium Battery IP65 Waterproof With LCD Display

36 Ton Approx. Commercial And Industrial Energy Storage within W6058*D2438*H2896 Mm 20HC

Waterproof Lifepo4 Battery 1000ah Stable , 1280WH All In One Solar Battery

Optimize Your B2B Experience with All In One Energy Storage System 280 Ah LFP Cell Type

Why do lithium batteries be equipped with a protection board?

GREAT POWER - HENAN PRODUCTION

Max-20HC-5000

215 C＆I energy storage system

Multi Function Electric Scooter Rechargeable Battery Waterproof Practical

Air Cooled Industrial Energy Storage System , 13716x2438x2896mm All In One Battery

48V LiFePO4 Lithium Battery

36 Ton Approx. Commercial And Industrial Energy Storage within W6058D2438H2896 Mm 20HC