751835 Batterie LiPo à haute consommation 420mAh

A high drain LiPo battery 420mAh uses a single pouch-cell structure. Engineers set its nominal voltage at 3.7V and limit full charge to 4.2V. In addition, the design supports high current output while keeping internal resistance low. Manufacturers also control capacity through strict electrode matching and electrolyte dosing. This approach keeps electrical behavior stable during fast load changes.

Material Composition and Cell Structure

Producers build the cell with lithium cobalt or blended cathode materials. They pair these with graphite anodes to support fast ion movement. Copper and aluminum foils guide electron flow inside the cell. Meanwhile, a microporous separator prevents electrode contact and blocks internal short circuits. The outer pouch uses aluminum-plastic laminate. It keeps the internal chemistry sealed and stable under physical stress.

Assemblage et configuration électrique

Technicians sort cells by impedance and voltage before assembly. This step reduces imbalance in the final battery pack. Next, they use spot welding to attach nickel tabs. The process forms a low-resistance electrical path. It also limits heat impact on the electrodes. After that, a protection circuit module is installed. It controls overcharge, over-discharge, and over-current conditions. In addition, lead wires receive strain relief to prevent connection failure during movement.

Étanchéité et finition structurelle

Workers seal the pouch cell using heat-lamination. This step locks in electrolyte and blocks moisture entry. Then, they apply insulation layers to strengthen the outer structure. These layers also help maintain shape stability. After sealing, technicians run pressure and insulation tests. They check for leaks and electrical safety before final packaging.

Normes et contrôle électrique

Manufacturing follows UN38.3, CE, and RoHS requirements. These standards guide transport and material safety. Charging uses a constant-current/constant-voltage method. The system limits voltage to 4.2V per cell. Finally, cycle tests run under controlled temperature conditions. These tests confirm stable discharge behavior during repeated use.

Caractéristiques du produit

• Personnalisation prise en charge : Peut être personnalisée selon les besoins des clients
• Puissance élevée : décharge jusqu’à 20°C
• Charge rapide : Jusqu’à 3°C
• Longue durée de vie : Répond aux exigences pour une utilisation à long terme du produit
• Système multi-matériaux : Couvre LCO, NCM, NCA, LFP et autres systèmes matériels
• Sécurité élevée : Réussit les tests de performance en sécurité
• Capacité suffisante : Répond aux exigences de capacité de conception du produit
• Haute résistance à haute température : plage de température de fonctionnement -20°C ~ 80°C

Scénarios d’application

• Atomiseurs électroniques
• Enregistreurs vocaux
• Casque
• Appareils de beauté