21V MAX Portable Tool Battery with LED Indicator for Wrenches Saws and Grinders

21V MAX rechargeable lithium-ion battery compatible with selected 21V cordless tool interfaces, designed for impact wrenches, chainsaws and angle grinders with LED fuel gauge and portable housing.

Formulário de consulta de produtos

Developed as an aftermarket power source, this 21V MAX rechargeable lithium-ion battery pack is compatible with selected 21V cordless tool interfaces. It is intended for impact wrenches, chainsaws and angle grinders. Voltage, capacity and cell configuration must be confirmed for the selected SKU before production. An LED fuel gauge supports quick charge-level checks, while the portable housing is intended for multi-tool replacement programs. 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.

A BYingPower fornece conjuntos de baterias LiFePO4 para fabricantes de equipamento original (OEM), por grosso e personalizados, destinados a carrinhos de golfe, autocaravanas, empilhadores, armazenamento de energia solar, alimentação náutica e aplicações de substituição de baterias de chumbo-ácido. Apoiamos marcas de baterias, distribuidores, revendedores, integradores de sistemas e compradores OEM com soluções fiáveis de baterias de lítio, opções de BMS inteligentes, serviços de marca própria e apoio na documentação de exportação.
© 2026 BYingPower. Todos os direitos reservados.