DeWalt FlexVolt Error Code 1 LED Flash: How to Fix It

Q: What does 1 LED flash mean on DeWalt FlexVolt battery?

One LED flash on a DeWalt FlexVolt battery indicates the charge level is below 25% and the battery needs immediate recharging to prevent damage from over-discharge.

Q: How long does it take to charge a DeWalt FlexVolt battery?

Charging time depends on battery capacity: 20V 6.0Ah takes about 60 minutes, while 20V/60V 9.0Ah takes up to 2 hours using a fast charger. Standard chargers take longer.

Q: Can I use my DeWalt tool with 1 LED flashing?

Yes, you can continue using the tool briefly, but the battery will shut down soon to protect itself. It's best to recharge immediately when you see the 1 LED flash warning.

Q: Why does my DeWalt battery lose charge quickly?

Rapid battery discharge can be caused by extreme temperatures, old battery age, damaged cells, or using high-demand tools. Store batteries at room temperature and replace after 3-5 years of regular use.

Q: What charger works with DeWalt FlexVolt batteries?

DeWalt FlexVolt batteries work with DCB112, DCB115, DCB118, and DCB119 chargers. The DCB118 fast charger provides the quickest charging times for FlexVolt battery packs.

Abstract

The DeWalt FlexVolt 1 LED flash indicates your battery charge has dropped below 25% and needs immediate recharging. This is a normal low battery warning designed to prevent over-discharge and protect battery health.