40V MAX XGT Li-Ion BL4040 (4.0 Ah) Battery:

• New battery cell designed specifically for prolonged heavy duty professional applications
• 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 to ensure battery cannot be overcharged or overheated during the charging process
• Use with Makita 40V MAX XGT Li-Ion Battery Charger DC40RA
• 100% charge in just 45 minutes!
• 80% charge in just 31 minutes!