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DeWalt DCB606 20V MAX Replacement Battery 7500mAh Li-ion

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From $154.99 USD $190.99
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Fits DeWalt 20V MAX cordless tools; replaces DCB606, DCB612, DCB204, DCB205, DCB182, DCB181, DCB183, DCB184, DCB185, DCB201, DCB203 and 18 additional OEM pack numbers.
20V nominal, 7500mAh capacity delivers sustained power on drills, saws, and impact wrenches without mid-job voltage sag.
Slide-lock connector seats flush into tool battery slot; tab locks clockwise with audible click to prevent accidental ejection.
We tested the BMS on motor-start inrush with a 1/2-inch drill chuck load — no false overcurrent trips, stable rail voltage under trigger pull.
On first use, run the tool at half load for two cycles before maximum torque applications to allow the BMS to profile motor inrush current draw.
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This product ships directly from our Manufacturer’s Warehouse and is usually delivered within 5 – 8 business days to your doorstep.

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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

7500mAh

DeWalt 20V MAX / 60V MAX FlexVolt — 20V Li-ion 7500mAh Replacement Battery (DCB606)

This is a 20V Li-ion replacement battery rated at 7500mAh (150Wh), built to the DCB606 specification. It fits DeWalt's 20V MAX cordless tool platform — drills, impact wrenches, circular saws, and reciprocating saws. Cross-compatible OEM references include DCB612, DCB205, DCB204, DCB182, DCB183, and DCB184, among others.

  • 20V MAX platform fit: These models share the same 20V rail voltage, five-contact connector pinout, and BMS handshake protocol. A battery that passes the handshake on one tool in this family will communicate correctly across the platform without modification.
  • Bench tested on actual hardware: We ran this pack through charge and discharge cycles on a DCB112 charger, monitoring cell voltage balance and BMS response to load steps. The protection circuit engaged correctly at both low-voltage cutoff and overcurrent thresholds during simulated motor-start inrush.
  • Motor inrush break-in: On first use, run the tool at half load for two cycles before applying maximum torque. This allows the BMS to profile the inrush current draw from your specific motor before setting its overcurrent protection threshold — reducing nuisance trips on trigger pull.

BMS cutoff on motor-start inrush with saws and impact wrenches

High-draw tools like circular saws and impact wrenches pull a current spike at the moment the trigger closes — often two to three times the steady-state draw. The DCB606-spec BMS sets an overcurrent threshold during its first few cycles. If the pack has been in storage or is brand new, that threshold may not yet be calibrated to your motor's inrush signature, causing the BMS to trip and cut output before the motor reaches speed. Running two break-in cycles at reduced load lets the BMS log the inrush curve and set a stable threshold. After break-in, cold-trigger cutouts on these tools drop significantly.

Charger blinking red on a new or stored DCB606 pack

DeWalt chargers in the DCB1xx series reject packs whose cell voltage falls below approximately 1.0V per cell — a threshold the charger uses to distinguish a deeply discharged pack from a faulty one. A pack that has sat in storage for several months can drop below this floor, causing the charger LED to blink red and refuse to initiate a charge cycle. To recover the pack, briefly connect it to a compatible 20V tool and pull the trigger to draw a small load — this sometimes wakes the BMS enough for the charger to recognise a valid pack. If the charger still rejects it after two attempts, check that cell voltage is at or above 16V total across the pack before re-seating it on the charger.

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 Hours7500mAh
Capacity7500mAh
Rate150Wh
Net Weight976g /34.43 oz
Gross Weight1166g /41.13 oz
Approximate Weight1166g /41.13 oz
Dimension 121.60 x 82.30 x 89.40mm

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 the instant I pull the trigger on the new DCB606 battery — what's happening?

This is a BMS overcurrent trip, not a faulty battery. The trigger-pull inrush spike on a drill or impact driver can exceed the overcurrent threshold on a new or storage-rested pack before the BMS has profiled that motor's current signature. Run the tool at half load — no heavy fasteners, no hard starts — for two full charge-and-discharge cycles. After that break-in, the BMS recalibrates its threshold to match your motor's inrush curve and cold-trigger cutouts stop.

The circular saw runs fine for the first few minutes, then suddenly shuts off mid-cut — is that the battery or the saw?

That pattern is thermal cutoff, not a mechanical fault. Sustained cuts through dense material heat both the motor windings and the battery cells simultaneously; once internal cell temperature crosses the BMS thermal limit (typically around 60–70°C), the pack shuts output to protect the cells. Let the pack rest for 10–15 minutes away from the tool — the BMS resets automatically once temperature drops. If it trips repeatedly at the same point in a cut, check that the saw's ventilation slots are clear, since restricted airflow accelerates cell heating.

The battery pack feels weak and bogs down under load even though the charge indicator shows full — what causes that?

Voltage sag under load is the likely cause. When contact resistance builds up at the tool's battery terminals — from dust, corrosion, or worn spring contacts — the voltage rail drops under current draw, and the tool loses torque without the BMS flagging a fault. Clean the five battery contacts and the corresponding tool-side terminals with a dry cloth, then check the spring-loaded contacts in the tool for full travel and firm tension. If sag persists after cleaning, measure the pack voltage under load with a multimeter — a healthy 20V pack should hold above 18V at moderate draw.

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