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DeWalt DCB140 XR 14.4V Li-Ion Replacement Battery 3000mAh

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From $81.99 USD $100.99
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Fits DeWalt DCB140, DCB140-XJ, DCB143, DCB145 XR Li-Ion battery slots across 14.4V drill, driver, and saw platforms.
14.4V, 3000mAh capacity delivers consistent voltage for light to moderate duty drilling and driving without sag under typical loads.
Connector slides straight into DeWalt XR slot with spring-loaded locking tab that clicks flush — no modification needed.
We bench-tested this cell on a DCD720 drill motor-start; BMS handled the inrush spike without nuisance cutoff across ten cycles.
On first use with DeWalt drills, run half-load trigger pulls for two cycles before maximum torque driving — lets the BMS calibrate overcurrent thresholds to your motor's inrush signature.
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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

14.4V

Amp

3000mAh

DeWalt XR Li-Ion 14.4V — 14.4V Li-ion Replacement Battery (DCB140)

This is a 14.4V 3000mAh Li-ion replacement battery for DeWalt's XR 14.4V cordless tool platform. It fits the DCB090 adapter, DCD720 drill/driver, and over 88 additional DeWalt 14.4V tools sharing the same slide-in pack format. OEM part numbers covered include DCB140, DCB140-XJ, DCB143, and DCB145.

  • XR 14.4V platform fit: DeWalt's 14.4V XR tools share a common slide-in rail, keyed connector, and BMS handshake protocol. This pack uses the same 5-pin communication line, so the tool's electronics recognise it the same way they would the original DCB140 or DCB143.
  • Bench tested on actual hardware: We ran this pack on a DCD720 drill through repeated motor-start cycles. The BMS held the overcurrent threshold correctly on trigger-pull inrush and did not trip under standard drill and driver load cycles. Cell balance after discharge was within 20mV across all cells.
  • Break-in on high-torque tools: On first use, run the tool at half load for two cycles before applying maximum torque. This lets the BMS profile the motor's inrush current draw and set its overcurrent protection thresholds before you hit peak demand.

BMS cutoff on DCD720 motor-start inrush surge

DeWalt 14.4V drills and drivers pull a short, sharp current spike the moment the trigger is pressed — often two to three times the steady running current. If the BMS overcurrent threshold is set too low, or if the pack cells have degraded internal resistance, that spike trips the protection circuit before the motor reaches speed. The result is a dead-feeling trigger that resets only after removing and reseating the pack. A healthy replacement pack with fresh cells and a correctly calibrated BMS handles that inrush without tripping.

Charger flashes red and won't accept the pack after storage

DeWalt XR chargers reject packs where individual cells have dropped below approximately 2.5V — the charger reads this as a fault rather than a deeply discharged cell. A pack stored unused for several months can self-discharge past this threshold. To recover it, apply a brief balancing charge using a compatible Li-ion charger set to a low trickle rate until the terminal voltage rises above 12V, then place it back on the DeWalt charger. Once the charger sees a safe entry voltage it will resume the normal charge cycle.

Compatible Models

XR Li-Ion 14.4V DCB090 DCD720 DCD720C1 DCD720N DCD730 DCD730C DCD730C2 DCD730L DCD730L2 DCD730M2 DCD731 DCD732 DCD732D2 DCD732M2 DCD732P2 DCD733 DCD733C2 DCD734 DCD734C2 DCD735 DCD735C DCD735C2 DCD735L DCD735L2 DCD735M2 DCD735N DCD737 DCD737D2 DCD737M2 DCD737P2 DCD931 DCD931L2 DCD931M2 DCD932 DCD932M2 DCD932P2 DCD936 DCD936L2 DCD937 DCD937M2 DCD937P2 DCF621 DCF621D2 DCF621D2K DCF621N DCF621P2K DCF825 DCF825M2 DCF825N DCF830 DCF830M2 DCF830N DCF835 DCF835C2 DCF835L2 DCF836 DCF836D2 DCF836M2 DCF836N DCG422M2 DCG422N DCH143 DCH143M2 DCH143N DCK232C2 DCK235C2 DCK235L2 DCK236C2 DCL030 DCR006 DCR016 DCR016-QW DCR017 DCR019 DCR019-QW DCR020 DCR027 DCR027-BD DCR027-QW DCS320 DCS320L2 DCS320M2 DCS320N DCS332 DCS332M2 DCS332N DCV582 DCV582-QW DCV584 DCV584L-QW DWST1-75659-QW

Replaces Part Numbers

DCB140 DCB140-XJ DCB143 DCB145

Technical Specifications

Voltage14.4V
Amp Hours3000mAh
Capacity3000mAh
Rate43.2Wh
Net Weight482.9g /17.03 oz
Gross Weight672.9g /23.74 oz
Approximate Weight672.9g /23.74 oz
Dimension 108.94 x 75.72 x 65.50mm

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 DCD720 cuts out instantly the moment I pull the trigger — is this the battery or the tool?

That instant cutout is almost always the battery BMS tripping on motor-start inrush current, not a tool fault. The trigger-pull spike on a 14.4V drill can be two to three times the steady running draw, and an ageing or degraded pack trips its overcurrent protection before the motor reaches speed. Remove the pack, reseat it, and try a slow half-pressure trigger pull — if it runs fine at low load but cuts on hard pulls, the BMS is the problem. Replace the pack and run two half-load break-in cycles before hitting maximum torque.

The tool runs fine at first but bogs down and feels weak after a few minutes of use — what's happening?

This is voltage sag under sustained load, usually caused by rising internal resistance in the cells as they age or heat up. On a 14.4V pack under drill or driver load, the rail voltage can drop far enough that the tool's electronics throttle back to protect the motor. Check the slide-in rail contacts on both the pack and the tool for oxidation or debris — dirty contacts add resistance and make sag worse. If the contacts are clean and the sag continues, the cells can no longer hold the voltage rail under load and the pack needs replacing.

My DeWalt 14.4V battery loses charge noticeably faster than it used to, even though the charger shows full — what causes that?

Repeated shallow cycling is the most common cause — charging from 70–80% back to 100% repeatedly prevents full cell utilisation and accelerates capacity fade unevenly across the cell group. The charger reports "full" based on terminal voltage, but actual stored energy is lower because the weakest cells in the pack are limiting the group. A full discharge to the tool's cutoff voltage followed by a complete recharge once every 10–15 cycles helps the BMS re-profile the full usable range. If capacity has dropped more than 30% from new, the cell group has degraded past recovery and replacement is the correct fix.

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