BL-5C, BL-4C produced by automatic production machines, can provide with large quality and competitive price.

Chanda can produce BL-4C, BL-5C batteries with large quality, competitive prices as most of the production process can be produced by machines. We also do OEM battery/ customized battery packs based on our customer's requirements.

Below are some of the vedios for producing the battery:
1. PCM spot welding by machine

2. Automatically spot welding the prismatic cells

 2. Battery Injection by Injection Machine

3. Automatic labeling 

4. Performance Testing

Use multi-functional test machine to check the battery's performance:
for over-charge protection,
over-discharge protection,
over-current protection,
short-circuit protection,
charge & discharge performance
Inner resistance
OCV

5. Battery Inspection

For all the batteries, it will take us more than 3 times of full inspection to assure the battery's performance and quality.

6. Battery Packing

Welcome to contact us for a quote at linda@chandaenergy.com or visit us www.chandaenergy.com for more details and discussion.