China's secondary lead production from recycled lead-acid batteries reached 58% of total refined output in 2025, up from 45% in 2016. The structural shift reflects both the declining availability of primary lead concentrate domestically and the maturation of China's vehicle fleet, which generates a growing stream of end-of-life batteries. Total Chinese lead production from recycling reached 3.2 million tonnes in 2025.
Scrap battery collection efficiency in China is estimated at 92%, among the highest in the world, driven by a deposit-based collection system and the economic value of lead scrap. A standard automotive lead-acid battery contains 8-10 kg of lead, and recyclers pay collectors the equivalent of 30-40% of LME lead value per battery. This efficient collection system ensures a steady scrap flow.
Environmental compliance costs for secondary lead smelters are rising. China's Ministry of Ecology and Environment implemented stricter emission standards for lead smelters in January 2026, requiring upgraded SO2 and particulate matter capture systems. The compliance cost adds an estimated 300-500 yuan/t ($40-70/t) to secondary production costs, narrowing the price advantage over primary lead.
Globally, secondary lead accounts for approximately 62% of total refined production, a share that has been rising by roughly 1-2% annually as lead-acid battery recycling infrastructure expands in developing markets. India and Southeast Asia are building out formal recycling capacity, reducing informal and often hazardous recycling practices.
The growing secondary share of lead supply has implications for price formation. Secondary lead production is less sensitive to mining costs and more sensitive to scrap availability and collection economics. When LME lead prices fall below $1,800/t, scrap collection rates decline as the economic incentive weakens, creating a natural price floor.
The secondary lead market creates a built-in price floor near $1,800/t. Below that level, scrap collection slows, and secondary output contracts, supporting prices. For procurement, the key metric to track is scrap battery collection volumes in China — any decline signals tightening secondary supply. Consider scrap-linked supply agreements with variable pricing, which offer flexibility when LME prices swing.