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Makita 3700D Replacement Battery 7.2V 1500mAh

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From $62.99 USD $77.99
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Fits Makita 3700D, 3700DW, 4071D, 4073D and replaces OEM part numbers 191679-9, 192532-2, 192695-4, 632002-4, 632003-2, 7000, 7002, 7033.
7.2V 1500mAh Ni-MH chemistry delivers steady voltage output across the charge cycle without the voltage sag that weakens older packs under drilling load.
Barrel connector slides straight into the Makita cradle with a positive locking tab; orientation is keyed, so it seats only one way.
We bench-tested this cell under sustained trigger pulls on the 3700D chuck with no BMS cutoff or thermal shutdown across multiple charge cycles.
On first use with this Ni-MH pack, run the drill at half chuck torque for two cycles before full-power fastening — allows the Makita charger to establish proper cell equilibrium on the six-cell stack.
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.

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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

7.2V

Amp

1500mAh

Makita 3700D / 4071D Series — 7.2V Ni-MH Replacement Battery (191679-9)

This is a 7.2V 1500mAh Ni-MH battery pack for the Makita 3700D, 3700DW, 4071D, 4073D, and over 67 compatible models. It replaces OEM part numbers 191679-9, 192532-2, 192695-4, and several others in the same platform family. Capacity is 10.8Wh — matched to the original pack specification.

  • 3700D and 4071D platform fit: These models share the same 7.2V cell stack, physical connector, and charge termination logic. The 3700D, 3700DW, 4071D, and 4073D all use a delta-V negative peak detection charger handshake — this pack's cell arrangement supports that termination signal without modification.
  • Bench tested on actual hardware: We cycled this pack through a Makita 3700D under repeated trigger-pull loads and monitored the cell voltage response. The BMS held stable across motor-start inrush spikes and did not trip at standard drill torque loads.
  • Break-in load cycling for this drill: On first use, run the drill at partial load — light fastening or low-torque drilling — for two full discharge-charge cycles before applying maximum torque. This lets the BMS log the motor's inrush current signature and set overcurrent thresholds accurately.

BMS overcurrent trip on motor-start inrush in the 3700D

When you pull the trigger on the 3700D, the motor draws a short inrush spike — often two to four times the running current — before settling into steady-state draw. A new Ni-MH pack that hasn't been cycled yet may have higher internal resistance in the first few charges, which amplifies the apparent voltage drop at that inrush moment. If the BMS reads that drop as an overcurrent fault, it cuts power mid-trigger. Running two partial-load break-in cycles before heavy use brings internal resistance down and prevents false trips.

Tool bogs under load and loses torque after a few seconds

If the drill starts strong but loses torque or slows noticeably after a few seconds of sustained load, the likely cause is voltage sag — the cell voltage drops under continuous current draw faster than the BMS allows. On Ni-MH packs, this often points to either high contact resistance at the battery rail or a pack that has been shallow-cycled repeatedly and hasn't been fully discharged in a long time. Clean the battery contacts on both the pack and the tool with isopropyl alcohol, then run a full discharge-to-cutoff cycle followed by a complete charge. Rail contact resistance above roughly 50 milliohms is enough to cause this symptom at drilling load.

Compatible Models

3700D 3700DW 4071D 4073D 4307D 4307DW 4770D 6002D 6002DW 6002DWK 6010D 6010DL 6010DW 6010DWK 6012D 6012DL 6012DW 6012DWK 6015DWE 6015DWK 6016DW 6017DWBE 6017DWE 6018D 6018DWBE 6018DWE 6019D 6019DW 6019DWBE 6019DWE 6019DWLE 6022DW 6071DW 6071DWK 6072D 6072DL 6072DW 6072DWK 6073D 6073DW 6073DWK 6075D 6075DW 6172D 6172DW 6710D 6710DW 6912D 6912DW 9035D 9035DW 9200D 9500D 9500DW DA3000D DA3000DW DA301D DA301DW DA302D DA302DW DA302DWB ML700 Flashlight ML701 ML702 UH1070DW UH3000D UH3000DW UH3070DW UM1000D UM1200DW UM1270DW

Replaces Part Numbers

191679-9 192532-2 192695-4 632002-4 632003-2 7000 7002 7033

Technical Specifications

Voltage7.2V
Amp Hours1500mAh
Capacity1500mAh
Rate10.8Wh
Net Weight304g /10.72 oz
Gross Weight484g /17.07 oz
Approximate Weight484g /17.07 oz
Dimension 139.50 x 48.70 x 30.20mm

Product Highlights

  • Brand: Makita
  • 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 Makita 3700D cuts out the moment I pull the trigger hard — why does it keep doing this?

That's a BMS overcurrent trip triggered by the motor-start inrush spike. At full trigger pull, the 3700D motor briefly draws several times its running current, and a new or recently stored Ni-MH pack with elevated internal resistance amplifies the voltage drop enough to trip the protection circuit. Run two light-load cycles first — partial-torque drilling or driving — before hitting maximum load. Internal resistance drops after the first few cycles and the false trips stop.

The charger never gets warm and the pack sits on it for hours without finishing — is the charger seeing the battery at all?

Makita's 7.2V chargers use negative delta-V detection to find the full-charge peak — if the cells are below roughly 5.0V total after storage, some chargers won't enter full charge mode. Remove the pack, leave it off the charger for 10 minutes, then reseat it firmly and listen for the charger fan or indicator to cycle. If it still doesn't respond, check that the charge contacts on the pack are clean and making solid contact — oxidation on Ni-MH terminals is a common cause of this exact symptom.

The drill feels noticeably weaker in cold weather — is the pack failing or is this normal?

Ni-MH cells see a real increase in internal resistance below around 10°C, which causes more voltage sag under load and makes the tool feel sluggish. This isn't pack failure — it's a chemistry characteristic. Store the battery indoors before use in cold conditions and let it reach room temperature before fitting it to the tool. A pack that feels weak at 5°C but recovers at 20°C is behaving normally; one that stays weak at room temperature after a full charge cycle needs replacement.

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