Category
Batteries & Chargers issues
4 guides
Battery faults, charger LED codes, platform compatibility, runtime issues, and safe storage for every major cordless ecosystem.
DeWalt DCB115 Charger Blinking Red and Yellow — What It Means
DeWalt DCB115 flashing red and yellow? The pattern means a pack fault — here is how to tell if the battery, the charger, or the connection is the problem.
Makita DC18RF Charger Red and Green Alternating — Defective Pack Diagnosis
Makita DC18RF flashing red and green together? The pattern means the pack failed Star Protection. Here is how to tell if it is the battery or the charger.
Milwaukee M18 Battery Won't Charge After Being Left in a Hot Truck
Milwaukee M18 pack left in a hot truck bed and now won't charge? Here is what thermal lockout looks like, when the pack is recoverable, and when it is cooked.
Ryobi 40V Battery Flashing Red — Charger vs Pack Fault Diagnosis
Ryobi 40V battery flashing red? The pattern depends on whether the LED is on the pack or the charger. Here is how to tell which is bad.