Rechargeable Li-ion battery for 3nh colorimeter spectrophotometer

We have 4 kinds of rechargeable Li-ion batteries for our 3nh brand colorimeter & spectrophotometer and gloss meter. 

The outside rechargeable Li-ion batery is for model NS/NH series, and in the future we will also change to built-in battery type. Here are the images for this outside battery BQ021 3.7V 3200mAh 11.84Wh. 

BQ021 3.7V 3200mAh 11.84Wh

3nh colorimeter and spectrophotometer instruments all use the same 3200mAh Rechargeable Li-ion battery with long-span life.  This Li-ion battery can be used for 2800 times within 8 hours and charged by powder adapter or USB cable with instrument.

This small one is built-in rechargeable Li-ion battery for CR series color reader meter. 

102040 3.7V 800mAh 2.96Wh

We also have other 2 built-in one. One is 3200 mAh for all YS series spectrophotometer and gloss meters.

884267 3.7V 3200mAh 11.84Wh

The other one is 5000m Ah for our new models TS7X and TS70 series spectrophotometer. 

975566 3.7V 5000mAh 18.5Wh