5-Cell 21V MAX Replacement Battery Compatible with Dayi-Style Tools

21V MAX rechargeable lithium-ion battery compatible with selected Dayi-style cordless tools, designed for impact wrenches and compact cordless tools with compact 5-cell configuration.

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For cordless tool replacement projects, this 21V MAX rechargeable lithium-ion battery pack is compatible with selected Dayi-style cordless tool interfaces. It is intended for impact wrenches and compact cordless tools. Voltage, capacity and cell configuration must be confirmed for the selected SKU before production. The five-cell pack requires confirmation of nominal voltage, cell specification, discharge rating and matched charger. An integrated protection circuit helps manage overcharge, over-discharge, overcurrent and short-circuit conditions during normal use.

For OEM, wholesale and private-label projects, housing color, product labels and packaging can be reviewed according to order requirements. Confirm the original battery code, connector, charger, voltage and physical fit before purchasing. Brand names and model numbers are used only to identify compatibility.

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