Short answer: BLACK+DECKER 20V MAX POWERCONNECT batteries are intended for BLACK+DECKER 20V MAX POWERCONNECT tools, outdoor equipment, cleaning products and compatible chargers. They are not an officially interchangeable battery with DeWalt 20V MAX. The shared Stanley Black & Decker parent company does not change that platform boundary.
Which batteries work across BLACK+DECKER 20V MAX?
BLACK+DECKER’s POWERCONNECT system describes one interchangeable battery system across its 20V MAX power tools, vacuums, and lawn and garden equipment. Its LBXR20 1.5Ah battery page narrows the practical rule to BLACK+DECKER 20V MAX POWERCONNECT cordless tools and outdoor equipment. The support page for the LB2X4020 4Ah pack gives the same answer: it is compatible with all other tools in the BLACK+DECKER 20V MAX line.
Capacity is a runtime choice inside the platform, not a cross-brand signal. BLACK+DECKER lists 1.5Ah, 2Ah, 3Ah and 4Ah options on its battery materials. Check the exact model label and manual, especially for older BLACK+DECKER 20V packs, rather than relying on “20V” alone.
Which chargers are compatible?
The BLACK+DECKER BDCAC202B fast charger is specified for BLACK+DECKER 12V MAX and 20V MAX POWERCONNECT lithium-ion slide batteries. BLACK+DECKER lists 45 minutes or less for a 1.5Ah pack and a maintenance mode intended to optimize battery life. A dual charger, BDDC201B, is also described as part of the 20V MAX POWERCONNECT system. A retailer listing for BDCAC202B repeats the BLACK+DECKER-only scope in its product details and manufacturer answers.
Do not treat a similar voltage label as permission to use a different charger. BLACK+DECKER’s battery safety data sheet lists the 20V Max detachable battery family and directs users to recharge with the charger specified by the manufacturer. For a replacement, match the battery family and charger model, then verify the model manual.
Does a DeWalt 20V MAX battery fit?
No official cross-brand compatibility is established. DeWalt’s FLEXVOLT Battery System page says FLEXVOLT batteries are compatible with DEWALT 20V MAX power tools. BLACK+DECKER’s POWERCONNECT pages similarly name BLACK+DECKER products. Neither reviewed platform claim names the other brand. That evidence supports treating the systems as separate: a DeWalt 20V MAX pack is not a native BLACK+DECKER POWERCONNECT battery, and a BLACK+DECKER pack is not a native DeWalt battery.
The “20V MAX” wording is not a universal battery standard. DeWalt’s DCA1820 page explains that its maximum initial voltage is 20V while nominal voltage is 18V; Black+Decker documents its own 20V MAX POWERCONNECT family separately. Shared corporate ownership is background context, not a hardware or charger claim.
What about adapters?
A third-party adapter may change the physical interface, but it does not make the combination manufacturer-approved. It can change protection, temperature monitoring, current limits, warranty coverage or charging safety. Never use an unverified adapter to charge a battery.
How this was checked
Facts are drawn from BLACK+DECKER product and support pages, a BLACK+DECKER safety data sheet, a Home Depot retailer listing, and DeWalt’s own platform pages. Sources checked: 2026-08-27. Re-check the exact model manual before buying a replacement battery or charger.
Official sources
- BLACK+DECKER — POWERCONNECT system
- BLACK+DECKER — LBXR20 1.5Ah battery
- BLACK+DECKER — BDCAC202B fast charger
- BLACK+DECKER Support — LB2X4020 compatibility
- BLACK+DECKER Support — battery safety data sheet
- Home Depot — BDCAC202B retailer listing
- DEWALT — FLEXVOLT Battery System
- DEWALT — DCA1820 adapter