e-card battery 3.7V/80mAh with refined PCB
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It's mainly applied in the ecard.Only 0.8mm thickness with good performance;long cycle life;
1. Low material cost and low production cost
2. No limit of high and larger capacity cell production
3.Very easy to change the size
4.Good discharging performance.
5. Safe performance and long cycle life.
6. Environment-friendly.