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DeWalt DC9071 12V Ni-MH Replacement Battery 3000mAh

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From $92.99 USD $114.99
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Fits DeWalt 152250-27 and replaces DC9071, DE9037, DE9074, DE9075, DE9501, DW9071, DW9072, and 24 additional OEM battery part numbers.
12V 3000mAh Ni-MH pack delivers 36Wh — adequate for drills, drivers, and compact saws in residential and light commercial duty.
Connector slides straight in with locking tab engagement; 94.4 x 81.0 x 108.0mm body fits existing DeWalt 12V tool slots without modification.
We bench-tested this Ni-MH cell across trigger-pull inrush cycles and sustained load draws; no premature BMS cutoff or thermal shutdown observed.
On first use with a DeWalt drill, run at half throttle for two cycles before full-torque fastening — allows the motor controller to baseline current draw.
Delivery time

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

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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

12V

Amp

3000mAh

DeWalt 12V Ni-MH 3000mAh Replacement Battery (DC9071 / DE9071 / DW9071)

This is a 12V, 3000mAh Ni-MH replacement battery for DeWalt's 12-volt cordless tool line. It fits drills, drivers, compact saws, and other 12V DeWalt tools that use the DC9071, DE9071, DW9071, and related OEM part numbers. Capacity is rated at 3000mAh (36Wh) — matched to the original specification.

  • 12V Ni-MH platform compatibility: DeWalt's 12V tool line shares a common battery interface across drills, screwdrivers, and compact saws. All the listed OEM part numbers — DC9071, DE9037, DE9074, DE9075, DW9095, DW9096, and others — draw from the same 12V rail and use the same contact and latch configuration. One battery format covers a wide bench.
  • Bench tested on actual hardware: We ran this pack through charge and discharge cycles on a 12V DeWalt drill. The BMS handled repeated trigger-pull inrush without tripping. Cell voltage held steady through full discharge curves, and the pack accepted charge from a standard DeWalt 12V charger without errors.
  • Motor inrush break-in on first use: On first use, run the tool at half load for two cycles before maximum torque applications. This lets the BMS profile the motor's inrush current draw and set overcurrent protection thresholds accurately — reducing false cutoffs during heavy drilling or driving later.

BMS overcurrent trip on trigger-pull inrush in 12V drills

When you pull the trigger on a 12V drill, the motor draws a brief spike of current — often 3 to 5 times the running load. A fresh pack with a conservative BMS threshold can interpret that spike as a fault and cut out immediately. This is not a cell failure. The BMS is protecting the pack based on a threshold calibrated during the first few charge cycles. Two half-load break-in cycles reset that threshold closer to the actual motor profile, and the cutouts stop.

Charger not recognising the pack after extended storage

Ni-MH cells self-discharge during storage — if a pack has sat unused, cell voltage can drop below the charger's acceptance threshold (typically around 1.0V per cell). The charger sees a voltage too low to confirm a valid pack and refuses to initiate a charge cycle. The fix is a slow trickle charge using a compatible charger with a reconditioning mode, or a brief manual boost to bring cell voltage above the acceptance floor. Once the pack reads above threshold, normal charging resumes. Check individual cell voltage — any cell reading below 0.9V needs attention before the pack will hold a full charge.

Compatible Models

152250-27 2802 2802K 2812B 2812K 2832K 2852B 2861K-2 2872B 2872K-2 2872KQ 2898B 2898K 397745-01 DC528 Flash Light DC540 DC540K DC542 DC542K DC612KA DC614KA DC727KA DC727KA-AR DC727KA-B2 DC727VA DC740K-2 DC740KA DC742KA DC742VA DC743KA DC743KB DC745KA DC745KB DC756KA DC756KB DC840KA DC841KA DC845KA DC940KA DC945KB DC980KA DC980KB DC981KA DC981KB DCD910KX DCD940B2 DCD945B2 DCDK12 DW051K DW051K-2 DW052K DW052K-2 DW052K2H DW052Z DW053K DW053K-2 DW053K2H DW904 Flash Light DW907K-2 DW907K2H DW907Z DW912 DW915 Flash Light DW917 Flash Light DW924K-B2 DW924K-B3 DW924K2AR DW924K2B2 DW924K2B3 DW924K2BR DW927K DW927K-2 DW927K2 DW927KV-2 DW930 DW930K DW940K DW940K-2 DW953 DW953K DW953K-2 DW953KF-2 DW953KS-2 DW953KV-2 DW953RFK DW953RFK2 DW965 DW965K DW965K-2 DW968K-2 DW970 DW971K-2 DW972 DW972B DW972K DW972K-2 DW972KQ-2 DW972KS-2 DW972RLK2 DW974K DW974K-2 DW974KQ DW975B DW975K DW976K DW977B DW977K DW979 DW979K DW979K-2 DW979K2-BR DW980 DW980K-2 DW981 DW981KD-2 DW981KF-2 DW981KQ DC920KA DC925 DC925KA DC925KB DC925VA DC988 DC988KA DC988KB DC988VA DW908 Flashlight) DW999KQ

Replaces Part Numbers

DC9071 DE9037 DE9074 DE9075 DE9501 DW9071 DW9072 DC9096 DE9039 DE9095 DE9096 DE9503 DW9095 DW9096 DW9098 152250-27 397745-01 DE9071 DC9099 DC9091 DE9038 DE9091 DE9092 DE9094 DE9502 DW9091 DW9094 DWCB14 DC9062 DE9036 DE9061 DE9062 DW9061 DW9062

Technical Specifications

Voltage12V
Amp Hours3000mAh
Capacity3000mAh
Rate36Wh
Net Weight673g /23.74 oz
Gross Weight953g /33.62 oz
Approximate Weight953g /33.62 oz
Dimension 94.40 x 81.00 x 108.00mm

Product Highlights

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

Frequently Asked Questions

My DeWalt 12V drill cuts out the instant I pull the trigger on a tough fastener — why?

That's a BMS overcurrent trip, not a dead battery. The motor's start-up current spike exceeds the protection threshold the BMS set during early cycles. Run the tool at half load — light drilling or low-torque driving — for two full charge-discharge cycles. That recalibrates the overcurrent threshold to your motor's actual inrush profile, and the cutouts stop under normal trigger pulls.

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

That's voltage sag under sustained load. As the cells heat up inside the enclosed battery housing, internal resistance rises and the voltage rail drops — the tool loses torque. Check that the terminal contacts on the battery and tool are clean and making solid contact, since added contact resistance makes sag worse. Let the pack cool for 10 minutes between heavy sessions. If sag starts immediately on a cool pack, measure open-circuit voltage — it should read at or above 13.2V on a full Ni-MH 12V pack.

My DeWalt 12V pack has been sitting unused for about six months and the charger won't start charging it — what do I do?

Ni-MH cells self-discharge significantly over months of storage — individual cells can drop below 1.0V, which is under most charger acceptance thresholds. Use a charger with a reconditioning or recovery mode to push a low-rate trickle charge into the pack until voltage climbs back above the acceptance floor. If your charger has no recovery mode, a compatible charger set to a slow charge rate (0.1C) will do the same thing over a longer period. Once per-cell voltage is back above 1.0V, the charger will recognise the pack and resume a normal charge cycle.

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