... -19.99VintroductionBK-300 is a precision internal resistance meter for R&D or quality control of all rechargeable battery, which has accuracy ... optional Size (mm): 340 (W) x 110 (H) x 365 (D).Meanwhile, we offer LiFePO4,LiCoO2,LiNiMnCoO2, LiMn2O4 ,copper foil, Al ...