when cells are connected in series, make sure the lot number, the shipping charge date, and capacity rank match. Please do not mix cells with different lot numbers, shipping charge date, and capacity rank. Also , the voltage variablility should be within 10mV.
if cells are connected in series, the discharge end voltage should be set more than 2.75V/cel
We supply other brands and models 18650 like Sanyo, Samsung,Sonny, LG, A123
Mainly for top quality Laptop battery, medical device, power tools and all other high capacity with prime safety needs.
We are battery manufacturing company, provide service from complicated battery design, cell production and sourcing, assembling, shipping.