DIY Battery Making Raw Material 5c 1800mAh 3.7V 18650 Li-ion Cell

DIY Battery Making Raw Material 5c 1800mAh 3.7V 18650 Li-ion Cell. 5C Stable Flat Discharge: Constant 9A continuous output balances long runtime & steady power for medium-size portable electrical appliances. Capacity Uniformity Control: Prevent uneven runtime after pack assembly; auto grading limits single-batch capacity error. Mid-capacity Multifunctional Cell: Designed for portable LED searchlight, small garden sprayer & regular electric massager for daily outdoor use. Flexible OEM Coding Service: Support customized surface printing to help buyers build own private brand.