Certification & Compliance

Lithium Battery Safety: Overcharge, Short Circuit and Temperature Protection

2026-10-05
JYOVEX

Four-Layer Protection Mechanisms

Overcharge protection: When battery voltage reaches charging upper limit, built-in protection circuit automatically cuts off charging loop, preventing battery overcharge swelling or fire. JYOVEX lithium battery charging upper limit is precisely controlled by protection board, charging error <1%.

Over-discharge protection: When battery voltage drops below safe lower limit, protection circuit cuts off discharge loop, preventing cell damage from excessive discharge. This ensures battery is not damaged even under extreme usage conditions.

Short circuit protection: When battery positive and negative terminals are directly connected by a conductor, protection circuit cuts off loop within milliseconds, preventing battery overheating, fire or explosion. This is the most basic and important safety protection for lithium batteries.

Temperature protection: Built-in temperature sensor monitors battery temperature in real-time, automatically stops working when temperature exceeds safe range (charging 0-45°C, discharging -20-60°C), preventing thermal runaway.

Certification Verification

IEC62133 certification covers overcharge, over-discharge, short circuit, crush, impact, thermal shock and other safety tests. UL2054 certification covers similar test items, is North American market access requirement. JYOVEX products have passed all safety tests, complete test reports available.

For OEM customers, choosing safety-certified battery suppliers reduces product return rate and legal risks. JYOVEX can provide safety test reports for each battery batch, supporting customer product certification applications.

Tags:Safety ProtectionOvercharge ProtectionShort CircuitIEC62133

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