Battery Pack

The Dekton M21‑B4085PLUS is a 21 V lithium-ion battery designed for Dekton’s M21 cordless tool platform. It offers a 4.0 Ah capacity, supports a maximum discharge current of 85 A, and features rapid charging at up to 10 A. The battery includes integrated LED indicators to display remaining charge and is housed in flame‑retardant casing for enhanced safety. It typically weighs about 0.8 kg .

🔋 Detailed Specification Breakdown
Model: M21‑B4085PLUS

Voltage: 21 V (standard M21 compatibility, Makita-style foot)

Capacity: 4.0 Ah (10 cell TP cells)

Max Discharge Current: 85 A

Max Charging Current: 10 A (supports fast charging)

LED Battery Indicator: Yes (integrated display)

Casing Material: Flame‑retardant plastic

Weight: ~0.8 kg