GearGuiders — Workshop Manual
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Batteries & Chargers

Battery faults, charger LED codes, platform compatibility, runtime issues, and safe storage for every major cordless ecosystem.

039 manuals

039

Worx Battery Not Charging, Red Light Flashing: FixA flashing red light on a Worx PowerShare charger almost always means temperature lockout, dirty contacts, or a deeply drained pack.

Worx2026-07-10
038

Milwaukee M12 Battery Not Charging Red Light FlashingM12 pack on the charger and the red light just blinks? The pattern tells you whether it's temperature, contacts, or a pack that's done.

Milwaukee2026-07-08
037

Cordless Tool Battery Stuck? How to Free It SafelyA battery jammed on your drill or impact driver is almost always a half-pressed latch, gunk in the rails, or a swelling pack.

other2026-06-26
036

Milwaukee M18 Battery Not Charging Red Light FlashingMilwaukee M18 charger flashing red? Each pattern means something specific. Decode it, then work the temperature and contact checks in order.

Milwaukee2026-06-24
035

DeWalt Battery Not Charging Red Light FlashingDeWalt charger flashing red and the pack won't fill up? Learn what the LED actually means and work through the temperature, contact.

DeWalt2026-06-19
034

DeWalt Battery Charger Troubleshooting: LED Codes & FixesDeWalt DCB115 or DCB118 showing no light, yellow light, or blinking red? Decode every LED state from DeWalt's manuals, with the exact fix for each.

DeWalt2026-06-07
033

EGO Battery Charger Troubleshooting: LED Codes & FixesEGO 56V charger flashing red, no light, or won't charge? Decode CH5500 LED patterns and work through every fix from the charger manual.

EGO2026-06-07
032

Makita Battery Charger Troubleshooting: LED Codes & FixesDecode every LED pattern on Makita DC18RF, DC18RC, DC18RD, and DC18WA chargers — red-green alternating, slow red flash, and cold faults, with fixes.

Makita2026-06-07
031

Milwaukee Battery Charger Troubleshooting: LED CodesDecode every LED pattern on Milwaukee M12/M18 chargers (48-59-1807/1808/1812) — blinking red, red-green alternating, and hot-pack faults, with fixes.

Milwaukee2026-06-07
030

Ryobi Battery Charger Troubleshooting: LED Codes & FixesRyobi charger blinking red, stuck in Evaluate mode, or won't charge? Decode every LED pattern for 18V ONE+ and 40V chargers, with the fix for each.

Ryobi2026-06-07
029

Best DeWalt 20V MAX Batteries in 2026The best DeWalt 20V MAX batteries in 2026 — 2.0Ah Compact, 5.0Ah XR, 9.0Ah FLEXVOLT, and the charger that handles every DeWalt pack.

DeWalt2026-05-18
028

Best Milwaukee M18 Batteries in 2026The best Milwaukee M18 batteries in 2026 — XC 5.0Ah, HIGH OUTPUT 6.0Ah and 12.0Ah, CP compact, FORGE, and the charger that handles both M18 and M12.

other2026-05-15
027

DeWalt FLEXVOLT Battery on 20V MAX Tool — Yes, It WorksFLEXVOLT 60V batteries auto-switch to 20V mode when mounted on 20V MAX tools. They work backward; 20V MAX packs do NOT work on 60V tools.

DeWalt2026-04-22
026

EGO 56V Battery Compatibility Across ToolsEGO Power+ uses a single 56V Arc Lithium platform — every 56V battery fits every 56V tool. Capacity affects runtime, not compatibility.

EGO2026-04-22
025

EGO CH7000 Rapid Charger LED MeaningsEGO's CH7000 rapid charger uses 4 green capacity LEDs plus a red/green status LED. Here's what each pattern means per the verified manual.

EGO2026-04-22
024

Makita 18V LXT Battery Won't Fit 40V XGT Tool18V LXT and 40V XGT are completely separate Makita platforms. The batteries don't physically interchange between them, by design.

Makita2026-04-22
023

Milwaukee M12 Battery Won't Fit M18 ToolTrying to use an M12 battery on an M18 tool? They don't connect — these are completely separate platforms with different physical interfaces.

Milwaukee2026-04-22
022

Ryobi 18V ONE+ Battery Won't Fit 40V ToolRyobi 18V ONE+ and 40V are completely separate platforms. The packs have different physical interfaces and don't interchange.

Ryobi2026-04-22
021

Blinking Red Light on Kobalt Battery ChargerKobalt charger blinking red? Decode the flash pattern, tell a temperature fault from a dead cell, and work the reset steps in the right order.

Kobalt2026-04-20
020

Bosch Battery Charger Flashing Red LightBosch charger flashing red? Decode the LED pattern, separate a hot or cold pack fault from a failed cell, and follow the reset sequence that clears it.

Bosch2026-04-20
019

Bosch Lawnmower Battery Not Charging Red Light FlashingBosch battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Bosch2026-04-20
018

Craftsman Drill Battery Red Light BlinkingCraftsman drill battery blinking red? Decode the LED, rule out a temperature hold or dirty contacts, and work the reset steps before replacing the pack.

Craftsman2026-04-20
017

Echo 58v Battery Charger Blinking Red LightEcho 58V charger blinking red? Decode the flash pattern, tell a temperature hold from a genuine cell fault, and follow the checks that clear it.

Echo2026-04-20
016

Echo 58v Battery Not Charging Red Light FlashingEcho battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Echo2026-04-20
015

Greenworks 40v Battery Not Charging Red Light FlashingGreenworks battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Greenworks2026-04-20
014

Greenworks 80v Battery Not Charging Red Light FlashingGreenworks battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Greenworks2026-04-20
013

Greenworks Pro Battery Not Charging Red Light FlashingGreenworks battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Greenworks2026-04-20
012

Hart 20v Battery Not Charging Red Light FlashingHart battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Hart2026-04-20
011

Hart 40v Battery Not Charging Red Light FlashingHart battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Hart2026-04-20
010

Hart Battery Not Charging Blinking Red LightHart battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Hart2026-04-20
009

Hilti Battery Charger Flashing Red LightHilti charger flashing red? Decode the LED pattern, separate a temperature fault from a dead cell, and work the reset steps in the right order.

Hilti2026-04-20
008

Husqvarna Battery Not Charging Red Light FlashingHusqvarna battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Husqvarna2026-04-20
007

Kobalt 40v Battery Not Charging Red Light FlashingKobalt battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Kobalt2026-04-20
006

Kobalt Battery 4 Red Lights FlashingFour red lights flashing on a Kobalt battery? What that specific pattern means, how to tell a cell imbalance from a charger fault, and how to clear it.

Kobalt2026-04-20
005

Metabo HPT Battery Red Light FlashingMetabo HPT LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Metabo HPT2026-04-20
004

Porter-Cable Battery Charger Blinking Red LightPorter-Cable LED blinking or flashing? Decode the fault pattern and clear the charger or tool with these checks.

Porter-Cable2026-04-20
003

Ridgid Battery Charger Red Light FlashingRidgid charger flashing red? Decode the LED, rule out a hot or cold pack and dirty contacts, and work the reset order before claiming the warranty.

Ridgid2026-04-20
002

Stihl Battery Not Charging Red Light FlashingStihl battery won't charge? Diagnose the charger LED pattern, battery voltage, and temperature lockout with these steps.

Stihl2026-04-20
001

Toro Flex Force Battery Red Light FlashingToro Flex-Force battery flashing red? Decode the pattern, separate a temperature hold from a real cell fault, and follow the steps that clear it.

Toro2026-04-20