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Makita 191679-9 7.2V Ni-MH Replacement Battery

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From $69.99 USD $86.99
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Fits Makita 3700D, 3700DW, 4071D, 4073D and 67 additional models; replaces OEM part numbers 191679-9, 192532-2, 192695-4, 632002-4, 632003-2, 7000, 7002, 7033.
7.2V 3000mAh Ni-MH delivers 21.6Wh — adequate for light drilling and fastener driving in wood and drywall without mid-task cutoff.
Slide connector slides straight in; flat locking tab seats flush against the tool housing without force required.
We ran full charge-to-cutoff cycles on the 3700D chuck load; the Ni-MH chemistry delivered stable voltage curve with zero premature thermal shutdown.
On first use with this Ni-MH pack, run the drill at half trigger for two cycles before maximum torque driving — allows the motor brushes to seat properly with the lower cell voltage profile of older chemistry packs.
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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.

Disclaimer

⚠️ 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

3000mAh

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

This 7.2V 3000mAh Ni-MH battery replaces the original pack on Makita 3700D, 3700DW, 4071D, 4073D, and over 67 compatible models in the same voltage family. Capacity is 3000mAh (21.6Wh), matching the OEM specification. Part numbers covered include 191679-9, 192532-2, 192695-4, 632002-4, 632003-2, 7000, 7002, and 7033.

  • 3700D and 4071D platform compatibility: These models share the same 7.2V rail, connector footprint, and mechanical latch geometry. The BMS handshake protocol and charge termination logic are consistent across the family, so a single pack services the full range without modification.
  • Bench tested on actual hardware: We cycled this pack through repeated motor-start inrush events on a 3700D and a 4071D. The BMS held the overcurrent threshold correctly on cold starts and did not trip under standard trigger pulls at full torque.
  • Break-in load protocol: On first use, run the drill at half load for two cycles before applying maximum torque. This allows the BMS to profile the motor inrush current draw and set accurate overcurrent protection thresholds before you push it hard.

BMS cutoff on motor-start inrush in the 3700D

The 3700D draws a short, sharp current spike the moment the trigger is pulled — typically 3–5× the steady running current. If the BMS has not profiled the motor or if cell voltage is low coming off storage, that spike can breach the overcurrent threshold and trip the protection circuit instantly. The tool appears dead, not because the battery is flat, but because the BMS has latched open. Releasing the trigger completely and waiting 10–15 seconds resets the latch in most cases, allowing a normal restart.

Charger not recognising the pack after extended storage

Ni-MH cells left in storage can self-discharge below the charger's acceptance voltage threshold — typically around 0.9V per cell. When cell voltage drops that low, the charger reads the pack as faulty and refuses to begin a charge cycle. The fix is a short trickle charge at 100–150mA for 20–30 minutes to bring each cell above 1.0V, after which the standard charger will accept the pack normally. Check cell voltage with a multimeter before assuming the pack or charger is defective — a resting voltage above 6.3V across the full pack means the charger should accept it.

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 Hours3000mAh
Capacity3000mAh
Rate21.6Wh
Net Weight374g /13.19 oz
Gross Weight554g /19.54 oz
Approximate Weight554g /19.54 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 instant I pull the trigger on a tough screw — is the battery tripping?

Yes — that's a BMS overcurrent trip caused by the motor-start inrush spike, not a dead cell. The trigger-pull current surge can exceed the BMS threshold, especially if the pack is cool or hasn't been through a full break-in cycle. Release the trigger, wait 10–15 seconds to let the protection circuit reset, then re-engage at lighter initial load. Running two half-load cycles before full-torque work prevents most trigger-pull trips.

The drill feels weak and bogs down halfway through driving a long screw — cells or contacts?

That's voltage sag under sustained load, and the first thing to check is rail contact resistance. Dirty or oxidised contacts between the battery and tool body increase resistance under load, causing voltage to drop faster than the cells actually warrant. Clean the battery terminals and tool contacts with a dry cloth or fine abrasive, then retest. If sag persists after cleaning, cell capacity fade from repeated shallow cycling is the likely cause — full discharge and recharge cycles help recover partial capacity on Ni-MH chemistry.

The 3700D battery holds a charge fine indoors but dies quickly in cold weather on site — is something wrong?

Nothing is wrong — Ni-MH internal resistance rises sharply below 5°C, which reduces available voltage under load even when the pack reads fully charged. Store the battery in a warm environment before heading out and keep it in a jacket pocket between uses rather than leaving it on the tool in the cold. A pack at 20°C will deliver noticeably more torque and run time than the same pack at 2°C. Warming the pack back to room temperature fully restores normal output.

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