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4YRSEtop Technology Co., Ltd.

Confirm cell capacity

Confirm the capacity and internal resistance of each single cell, and distinguish between different grades

Battery pack welding

The matched battery pack is welded by a laser spot welder to ensure that the series and parallel connection are correct

Battery pack aging test

The welded semi-finished battery pack is used for charging, discharging, voltage, internal resistance and other performance tests

Battery pack aging test

All battery packs are subject to charge discharge cycle aging test. 1. fully charged; 2. Discharge to cut-off voltage; 3. Recharge to nominal voltage

ready for packaging

All batteries after aging test start to be installed into the shell, and then use the performance tester to test the battery performance again

مصنع حجم	10,000-30,000 square meters
موقع المصنع	Tangxia Town, Dongguan City, Guangdong Province
لا. من خطوط الإنتاج	Above 10
عقد تصنيع	OEM Service Offered, Design Service Offered, Buyer Label Offered
السنوي قيمة الانتاج	Above US$100 Million

خط الإنتاج	المشرف	لا. من مشغلي	لا. من في خط QC/QA	التحقق

التحقق

Confirm cell capacity

Confirm the capacity and internal resistance of each single cell, and distinguish between different grades

Battery performance test

The semi-finished battery pack is charged, discharged, voltage, internal resistance and other performance tests through the performance tester

Battery pack aging test

All battery packs are subject to charge discharge cycle aging test.

High and low temperature test

Each newly developed battery, Will carry out low temperature aging test of minus 20 and high temperature of 60

21 - 30 People