Makita BL4040-2 40V MAX XGT 4.0Ah Li-Ion Battery Makita BL4040-2 40V MAX XGT 4.0Ah Li-Ion Battery Description Makita BL4040 40V MAX XGT 4.0Ah Li-Ion Battery The Makita BL4040-2 40V MAX XGT 5.0Ah Li-Ion Battery Product no. BL4040 Package of 1 batteries New battery cell designed specifically for prolonged heavy duty professional applications 100% charge in just 45 minutes! 80% charge in just 31 minutes! Improved impact resistance versus 18V lithium-ion batteries due to shock absorbing internal structure Waterproof, triple layer structure and terminal walls protect against cell failure due to water or dust Digital communication between battery, power tool and charger 4 LED battery charge level indicator lights displays approximate remaining battery power Optimum charging system: Regulates thermal, voltage and current during charging cycle Ensures battery cannot be overcharged or overheated during the charging process Use with Makita 40V MAX XGT Li-Ion Battery Charger DC40RA Available XGT 40V Max Battery Packs: BL4025 XGT 40V Max 2.5Ah Li-Ion Battery – 1-Pack BL4025-2 40V MAX XGT 2.5Ah Li-Ion Battery BL4040 XGT 40V Max 4.0Ah Li-Ion Battery 1-Pack BL4040-2 40V MAX XGT 4.0Ah Li-Ion Battery BL4040-2 40V MAX XGT 5.0Ah Li-Ion Battery BL4040-2 40V MAX XGT 8.0Ah Li-Ion Battery Keywords: makita BL4025/BL4040 MAKITA BATTERY/BL4025 MAKITA BATTERY