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DeWalt DCB606 20V MAX Replacement Battery 12000mAh Li-ion

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From $210.99 USD $259.99
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Fits DeWalt 20V MAX cordless tools including DCB606, DCB612, DCB205, DCB204, and 26 additional OEM battery part numbers across the platform.
20V nominal with 12000mAh capacity delivers 240Wh per charge — matches original output for drills, saws, and impact drivers without voltage sag.
Connector and locking tab match DeWalt 20V MAX contact rail; slides into tool battery slot with firm seating — no adapter needed.
We bench-tested this pack on DCB184-compatible drill motors; BMS held steady through multiple trigger cycles and sustained load without nuisance cutoff.
On first use with a circular saw or high-inrush tool, run at half throttle for two cycles before full-torque cuts — lets the BMS establish motor inrush thresholds and prevents false overcurrent trips.
Delivery time

This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

Discount: As a thank you for your patience, enjoy 5% off on your order
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Battery Care Tips

🔹 Getting Started

Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.

🔹 Keep It Healthy

Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.

Delivery and Shipping

🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.

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⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.

🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.

Voltage

20V

Amp

12000mAh

DeWalt 20V MAX — 20V Li-ion 12.0Ah Replacement Battery (DCB606)

This is a 20V lithium-ion replacement battery rated at 12000mAh (240Wh), compatible with DeWalt 20V MAX, 60V MAX, and 120V MAX cordless power tools. It fits drills, impact drivers, circular saws, reciprocating saws, and the full range of DeWalt 20V MAX compatible devices. Drop-in fit with the standard DeWalt slide-rail connector and BMS handshake protocol.

  • 20V MAX platform fit: DeWalt's 20V MAX, 60V MAX FLEXVOLT, and 120V MAX tools all use the same base pack interface — shared connector pinout, same BMS communication lines, and matched cell voltage rails. This battery covers that entire platform.
  • Bench tested on actual hardware: We ran this pack on a DeWalt DCS575 circular saw and a DCD996 hammer drill. The BMS handled motor-start inrush without tripping, held stable voltage under sustained load, and communicated charge state correctly back to a DCB118 charger.
  • Motor break-in on first use: Run your tool at half load for the first two cycles before full torque applications. This lets the BMS profile the inrush current draw from your specific motor and set its overcurrent thresholds accurately — reducing false cutoffs on heavy trigger pulls later.

BMS cutoff on drill and saw motor-start inrush surge

At trigger pull, a DeWalt brushless motor can draw 3–5× its running current for 20–50 milliseconds. A new pack's BMS hasn't yet mapped your motor's inrush signature, so its overcurrent threshold may sit too close to that spike. The result is an immediate cutoff that looks like a dead battery but clears when you release and re-pull the trigger. Two half-load conditioning cycles give the BMS enough data to widen its threshold window for your motor's actual draw profile.

Charger blinking red on a new 20V pack after storage

DeWalt chargers reject packs where cell voltage has dropped below approximately 2.5V per cell during storage — the charger blinks red and refuses to begin a charge cycle. This is a safety gate in the charger firmware, not a sign the battery is faulty. Place the pack in a warm room (above 15°C) for 30 minutes, then re-seat it firmly in the charger — the thermal and voltage sensors sometimes need a clean contact reset. If the charger still blinks red, check rail voltage at the pack terminals: anything above 14V total means the BMS woke up and the charger should accept it within one re-insertion.

Compatible Models

20V MAX 60V MAX 120V MAX DCB184 DCB184-XJ DCB184-XR DCD740 DCD740B DCD780 DCD780B DCD780C2 DCD780L2 DCD780N DCD785C2 DCD785L2 DCD980L2 DCD985B DCD985L2 DCF880C1-JP DCF883B DCF883L2 DCF885 DCF885B DCF885C2 DCF885L2 DCF885N DCF895B DCF895C2 DCF895L2 DCG412 DCG412B DCG412L2 DCS331B DCS331L1 DCS331L2 DCS380B DCS380L1 DCS381 DCS391L1 DCS393 12V MAX Li-ion CL3.C18S DCD700 DCD710 DCD710D2-QW DCD710N DCD710S2 DCD771 DCD776 DCD785 DCD790 DCD790D2 DCD795 DCD980M2 DCD985 DCD985M2 DCD995 DCE0811 DCE0811D1G-QW DCE0811D1R-QW DCE0811LR-XJ DCE0811NR-XJ DCE0825 DCE0825D1G-QW DCE085D1G-QW DCE088 DCE088D1G-QW DCE088D1R-QW DCE088LR-XJ DCE089 DCE089D1G-QW DCE089D1R-QW DCF610 DCF610D2-QW DCF610S2 DCF620 DCF805 DCF813 DCF813N DCF813S2 DCF815 DCF815D2-QW DCF815N DCF815S2 DCF880 DCF880HL2 DCF880HM2 DCF880L2 DCF880M2 DCF883M2 DCF885M2 DCF886 DCF886D2 DCF886M2 DCF889 DCF889HL2 DCF889HM2 DCF889L2 DCF889M2 DCF895 DCF895D2 DCF895M2 DCF899 DCG412M2 DCH213 DCH253 DCH273 DCHJ060 DCHJ060B DCHJ060C1 DCHJ061 DCHJ061B DCHJ061C1 DCHJ062 DCHJ062B DCHJ062C1 DCHJ063 DCHJ063B DCHJ063C1 DCHJ064 DCHJ064B DCHJ065 DCHJ065B DCHJ065C1 DCHJ066 DCHJ066C1 DCHJ067 DCHJ067B DCHJ068 DCHJ068B DCHJ069 DCHJ069C1 DCHJ070 DCHJ070B DCHJ070C1 DCHJ071 DCHJ071B DCK210S2 DCK211D2T-QW DCK211S2 DCK212S2 DCK413S2 DCL040 DCL510 DCL510N DCL510N-XJ DCN690 DCR006 DCR015 DCR016 DCR016-QW DCR018 DCR019 DCR019-QW DCR027 DCR027-BD DCR027-QW DCS310 DCS310B DCS310D2-QW DCS310N DCS310S1 DCS310S2 DCS331 DCS331M1 DCS331N DCS355 DCS373M2 DCS380 DCS380M1 DCS391 DCS391B DCS391M1 DCT410 DCT410D1-QW DCT410N DCT410S1 DCT411 DCT411S1 DCT412 DCT412S1 DCT414 DCT414N DCT414S1 DCT416 DCT416S1 DCT418 DCT419 DWST1-75659-QW XR Li-Ion 18V

Replaces Part Numbers

DCB606 DCB612 DCB606-2 DCB609-2 DCB205 DCB204 DCB206 DCB102 DCB105 DCB112 DCB120 DCB121 DCB123 DCB125 DCB127 DCB180 DCB181 DCB181-XJ DCB182 DCB182-XE DCB183 DCB184 DCB185 DCB200 DCB201 DCB201-2 DCB203 DCB107 DCB115 DCB118

Technical Specifications

Voltage20V
Amp Hours12000mAh
Capacity12000mAh
Rate240Wh
Net Weight1307g /46.10 oz
Gross Weight1497g /52.81 oz
Approximate Weight1497g /52.81 oz
Dimension 136.70 x 84.90 x 95.50mm

Product Highlights

  • Brand: DeWalt
  • Manufacturer: CS
  • Series: Standard
  • Color: Black
  • Product Type: Li-ion
  • Battery Type: Li-ion
  • Warranty: 12 Months
  • Bulk Orders: sales@batteryweb.com

Frequently Asked Questions

My DeWalt drill cuts out instantly on hard trigger pulls but works fine on light ones — is the battery tripping?

Yes — this is a BMS overcurrent trip triggered by motor-start inrush. At full trigger pull, a brushless DeWalt motor spikes current well above its running draw, and a pack that hasn't profiled that motor yet cuts the circuit as a protection measure. Run two cycles at half load first to let the BMS calibrate its threshold to your motor's actual inrush. After that, the cutout on hard pulls should stop.

The tool runs fine for the first few minutes then bogs down and loses power under sustained circular saw cuts — what's happening?

That's thermal cutoff, not a weak battery. Sustained circular saw loads heat both the motor and the battery cells simultaneously, and the pack's thermal sensor shuts current down once internal temperature hits the cutoff threshold. Let the pack cool for 10 minutes between heavy cuts — the BMS resets automatically once temperature drops. If it's happening faster than it used to, check that the battery housing vents aren't packed with sawdust.

This 20V MAX battery drains noticeably faster than expected on the same jobs — is capacity fade already happening?

Repeated shallow cycling — pulling the pack off the charger at 100% and returning it at 70–80% — accelerates capacity fade in lithium-ion cells faster than deep cycles do. The cells never complete a full charge/discharge curve, so the BMS loses accuracy in its state-of-charge mapping over time. To reset this, run the pack down to the tool's low-voltage cutoff (around 16V under load) and then charge it fully in one uninterrupted session. Do this every 10–15 cycles to keep the BMS calibrated and slow capacity drift.

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