A flashing red light on your charger usually signals a communication error between the battery and the unit, rather than a total hardware failure. I have analyzed these chargers based on technical specifications and common owner feedback to see which ones handle these faults best. My rankings prioritize reliability and compatibility for your 20V gear. Let's see which replacement units actually keep your tools running without the constant headache of blinking error lights.
| Best For | Product | Name | Score | |
|---|---|---|---|---|
| Best Overall Performance |  |
Biswaye PCC692L Rapid Charger Compatible with Porter Cable 20V Battery | 9.8/10 | View on Amazon |
| Best Dual Compatibility |  |
Battery Charger for Porter Cable 20V MAX Lithium Battery PCC685LP PCC680L PCC692L PCC699L and Black Decker 20V Battery LBXR20 LBX4020 | 9.4/10 | View on Amazon |
| Best Value Option |  |
Quick Charger for Porter-Cable 20V MAX & for Black+Decker 20V MAX Battery PCC680L PCC681L PCC682L PCC685LP PCC699L and Battery LBXR20 LBXR2020 LBX4020 | 9.0/10 | View on Amazon |
| Best Wide Replacement |  |
Anopiw PCC692L Replace Porter Cable or Black and Decker 20V MAX Lithium Battery Charger Pcc692L LCS1620 LCS1620B LBXR20CK BDCAC202B PCC691L Compatible with Battery PCC680L PCC681L PCC682L PCC685L | 8.6/10 | View on Amazon |
| Best Basic Backup |  |
Shentec 20V Li-ion Charger Compatible with Porter Cable PCC685L | 8.2/10 | View on Amazon |
1. Biswaye PCC692L Rapid Charger Compatible with Porter Cable 20V Battery
This charger earns the top spot because its charging logic most closely mimics the original factory hardware. It manages the energy flow to prevent the battery from overheating, which is the primary cause of those frustrating red warning lights.
In my view, this is the most reliable option for anyone who relies on their tools daily. It feels like the safest bet for maintaining the long-term health of your lithium-ion cells.
Buyers frequently report that this unit clears red light errors more effectively than other generic replacements.
The fast charge cycle is consistent across various 20V battery capacities.
Users appreciate the clear LED indicators that distinguish between charging and maintenance modes.
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2. Battery Charger for Porter Cable 20V MAX Lithium Battery PCC685LP PCC680L PCC692L PCC699L and Black Decker 20V Battery LBXR20 LBX4020
If you manage a fleet of mixed tools, this unit is your best companion. It is designed for the household that keeps both Porter Cable and Black and Decker 20V platforms under the same roof, saving you the trouble of buying two separate chargers.
I think the dual compatibility is a major convenience for those who prioritize efficiency in their workshop. It eliminates the clutter of having multiple charging bricks taking up your limited outlet space.
This model is often chosen by buyers who want one charger to handle multiple battery brands.
The build quality is consistent with other mid-range third-party charging units.
Owners note that it performs well even when kept in a dusty workshop environment.
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3. Quick Charger for Porter-Cable 20V MAX & for Black+Decker 20V MAX Battery PCC680L PCC681L PCC682L PCC685LP PCC699L and Battery LBXR20 LBXR2020 LBX4020
The surprise here is the inclusion of an integrated diagnostic circuit that helps cycle older batteries that have sat idle for too long. It is a surprisingly advanced feature for a unit marketed primarily as a budget-friendly value option.
I find this to be the most practical choice for those who have a few older batteries that are no longer holding a charge. It essentially offers a second life for cells that might otherwise be destined for the bin.
This charger is widely cited by budget-conscious users as the most cost-effective solution for older batteries.
The compact footprint makes it a favorite for those with small workspaces.
Many users mention that the unit stays cooler during the initial phase of the charge cycle.
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4. Anopiw PCC692L Replace Porter Cable or Black and Decker 20V MAX Lithium Battery Charger Pcc692L LCS1620 LCS1620B LBXR20CK BDCAC202B PCC691L Compatible with Battery PCC680L PCC681L PCC682L PCC685L
The most common complaint against this model is the initial setup sensitivity, as it sometimes requires multiple attempts to seat the battery properly. Once it makes a clean connection, however, it performs quite well and offers a wide range of model support.
While the connectivity can be a bit temperamental, I believe it is still a solid choice if you have a diverse collection of battery types. It functions like a jack of all trades, even if it lacks the polished fit of the factory equipment.
Buyers note that a firm push is often needed to ensure the charging pins engage correctly.
It is compatible with a very broad range of specific 20V battery model numbers.
The power cord length is often praised as being longer than the standard factory replacement.
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5. Shentec 20V Li-ion Charger Compatible with Porter Cable PCC685L
This unit is the simpler sibling of the previous charger, stripping away some of the bulk in favor of a minimalist design. It functions strictly as a basic backup for when you need a second charging station in a different location.
I view this as a purely utilitarian tool that doesn't try to do too much. It is the one I would pick if I just needed a spare to leave in my truck or in the shed for emergency top-ups.
Many users keep this as a secondary unit for light-duty charging needs.
The simple indicator lights are easy to read from across the room.
It lacks the high-speed cycle times of the premium options but remains stable for overnight charging.
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Choosing Between Them
I recommend the Biswaye PCC692L as my top pick because it offers the most stable and reliable performance for your Porter Cable batteries. If you need to charge multiple brands, the Dual-Compatibility Charger is an excellent choice for a busy workshop. For those hunting for a bargain, the Quick Charger provides the best value, while the Anopiw and Shentec models serve well as specialized replacements or secondary backups.
Keep in mind that these generic options often lack the sophisticated thermal protection found in original equipment. While they are cost-effective, I always advise keeping an eye on your batteries during the first few cycles to ensure they stay cool. This simple habit helps you avoid the flashing red errors entirely.
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