Import 21v 4000mah Lithium Ion Pack For Dayi — Buy in wholesale FOB from Supplier in China

The USPECIAL D214005 is a 21V 4000mAh lithium ion battery pack engineered specifically for Dayi power tool applications, delivering 400W of continuous power with a 5C discharge rate for high-performance output. This battery pack consists of ten 18650 lithium-ion cells arranged in a 10-cell configuration, measuring 115x75x65mm in overall dimension and supporting both 2.0Ah and 6.0Ah capacity variants. The product listing also offers the D214010 variant rated at 10C discharge for 800W power output, serving customers requiring more demanding applications. The lithium ion chemistry provides rechargeable energy storage suitable for commercial and industrial power equipment, with a nominal voltage of 21V DC matching Dayi tool specifications.

The battery pack utilizes 18650 lithium-ion cells, which are cylindrical cells measuring 18mm diameter and 65mm length, a standard form factor in portable power tool applications due to their energy density and discharge characteristics. The pack is designed as a direct replacement for Dayi lithium ion battery packs, featuring interchangeable compatibility with original power tools. Materials include the lithium-ion cell chemistry with appropriate protection circuitry for safe operation during charge and discharge cycles. The 5C discharge rate indicates the battery can discharge at five times its capacity rating (20A for a 4000mAh pack), providing sustained power for demanding tool operations. Typical packaging for export includes individual battery packs with protective casing and terminal covers.

This product targets importers and distributors serving the power tool replacement market, particularly those supplying Dayi-compatible battery solutions to hardware retailers and tool service centers. The target buyers include battery distributors, power tool accessories importers, and OEM supply chains seeking replacement batteries for professional tool applications. Trade terms typically involve bulk ordering with standard MOQ requirements for export shipments. The product serves the growing market for cordless power tool batteries as the industry shifts from corded to battery-powered equipment, creating sustained demand for replacement packs across global markets.

Shenzhen Jinghongyu Trading Co., Ltd. is located in Longgang District, Shenzhen, China, with postal code 518000, operating from premises on Ruyi Road at Jinshun Building. The supplier holds a harbor trust tier classification, and the listing shows a 0.00% response rate with zero average response hours recorded. The company specializes in offering replacement lithium ion battery packs for power tool brands including Dayi and Makita, positioning itself as a trading company rather than a manufacturing facility.

The listing states the company offers USPECIAL branded battery packs designed as interchangeable replacements for original equipment manufacturer battery packs. The supplier listing does not disclose company age, employee count, annual revenue, or specific certifications. The product description indicates the batteries are designed to match original Dayi power tool specifications, though the listing does not specify whether the supplier provides original brand cells or third-party cells. Response metrics suggest limited recent activity on the platform.