ISO9001 & SGS Certified | Since 2002 | 12,000 m² Factory | Custom Battery Composite Strip | 7-15 Day Ship Battery tab connections live by one rule: the joint must carry current without hot spots and weld without surprises. This copper-nickel composite strip answers with a copper core for low electrical resistance and nickel cladding for a clean, weldable surface — the combination battery pack makers use for tab connections. No grade designation applies; construction, clad