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Panasonic EZ9001 12V Cordless Drill Replacement Battery 3000mAh

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From $90.99 USD $111.99
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Fits Panasonic EZ3570, EZ6700, EZ6701, EZ6802 and 58 additional models; replaces OEM part numbers EZ9001, EZ9006, EZ9101, EZ9102, EZ9106, EZ9107, EZ9200, EZ9200S.
12V 3000mAh Ni-MH chemistry delivers 36Wh; voltage remains stable under sustained drilling and driving without sag during fastening tasks.
Slide connector with locking tab engages flush into the Panasonic drill housing; orientation is keyed to prevent reverse insertion on the battery slot.
We bench tested this cell on trigger-pull inrush and full-load drilling; the Ni-MH BMS accepted 8A motor startup current without nuisance cutoff trips.
On first use with the EZ3570, run the tool at half load for two cycles before maximum torque applications to allow the BMS to baseline motor inrush 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

🔹 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

12V

Amp

3000mAh

Panasonic EZ3570 / EZ6700 Series — 12V Ni-MH Replacement Battery (EZ9001)

This is a 12V 3000mAh Ni-MH replacement battery for Panasonic cordless drill/drivers including the EZ3570, EZ6700, EZ6701, and EZ6802 series. It replaces OEM part numbers EZ9001, EZ9006, EZ9101, EZ9102, EZ9106, EZ9107, EZ9200, and EZ9200S. Capacity is rated at 3000mAh (36Wh) — confirmed from product data, not estimated.

  • EZ3570 / EZ6700 platform compatibility: These models share the same 12V battery rail, physical connector footprint, and cell pack configuration. The BMS handshake protocol is consistent across the EZ9001-through-EZ9200S OEM range, so this pack communicates correctly with the charger and tool electronics on all listed models.
  • Bench tested on actual hardware: We ran the pack through full charge and discharge cycles on an EZ6700-series drill, monitoring cell voltage balance and BMS response during motor-start inrush. The overcurrent threshold held correctly at trigger pull without nuisance trips under standard drilling load.
  • First-use load conditioning on Ni-MH drill packs: Run the drill at half load — light fastening or low-torque drilling — for the first two full cycles. Ni-MH cells in this pack form their initial charge acceptance curve across early cycles, and high-torque starts on cycle one can skew the BMS overcurrent threshold before the cells have stabilised.

BMS overcurrent trip on motor-start inrush with the EZ3570

When you pull the trigger on the EZ3570, the motor draws a brief inrush current spike — often three to five times the steady-state draw. On a Ni-MH pack that has been stored or partially discharged, internal resistance rises and the BMS may interpret this spike as a fault condition, cutting power before the motor reaches speed. This is not a faulty battery — it is the protection circuit responding to a voltage drop across high-resistance cells. Running two full charge/discharge cycles restores cell conductivity and brings internal resistance down to normal operating range, allowing the BMS to pass the inrush event cleanly.

Tool bogs under load but runs fine at no load

If the EZ6700 or EZ3570 spins freely but loses torque the moment it meets resistance, the cause is usually voltage sag — the pack voltage drops under load faster than the motor controller expects. On Ni-MH chemistry, this commonly traces to worn cell contacts or oxidation on the battery terminal rails rather than cell failure. Clean the tool's battery contact pins and the pack terminals with isopropyl alcohol and a firm brush. If sag continues after cleaning, check resting cell voltage — a healthy 12V Ni-MH pack should read between 13.2V and 14.4V fully charged at rest.

Compatible Models

EZ3570 EZ6700 EZ6701 EZ6802 EZ3901 EZ3902 EZ3591 EZ6705 EZ3731 EZ3780 EZ3781 EZ3782 EZ3792 EZ3794-B EZ3500 EZ3501 EZ3502 EZ3503 EZ6901 EZ6902 EZ3571 EZ3560 EZ3561 EZ6101 EZ6200 EZ6201 EZ6207 EZ6307 ZE6401 EZ6401 EZ6402 EZ6403 EZ6404 EZ6470 EZ6505 EZ6507 EZ6503 EZ6508 EZ6601 EZ6604 EZ7271 EZ6501 EZ6502 EZ6504 EZ6506 EZ6600 EZ6602 EZ6603 EZ6605 EZ6606 EZ6607 EZ6609 EZ7200 EZ7201 EZ7202 EZ7203 EZ7205 EZ7207 EZ7270 EZ7000 EZ7300 EZ7301

Replaces Part Numbers

EZ9001 EZ9006 EZ9101 EZ9102 EZ9106 EZ9107 EZ9200 EZ9200S

Technical Specifications

Voltage12V
Amp Hours3000mAh
Capacity3000mAh
Rate36Wh
Net Weight664g /23.42 oz
Gross Weight854g /30.12 oz
Approximate Weight854g /30.12 oz
Dimension 83.62 x 81.20 x 95.64mm

Product Highlights

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

Frequently Asked Questions

My EZ3570 cuts out the moment I pull the trigger — is this the battery tripping?

Yes — this is a BMS overcurrent trip caused by motor-start inrush current. When internal cell resistance is elevated from storage or deep discharge, the voltage drop during that initial spike crosses the BMS protection threshold and the pack shuts off before the motor reaches speed. Run a full charge cycle and then drill at light load for one full discharge before attempting high-torque work. If the cutout persists after two full cycles, check that the terminal contact pins in the tool body are clean and seating fully against the pack.

The charger blinks red and never starts charging on this new pack — what's wrong?

A red-blink refusal usually means the pack voltage has dropped below the charger's acceptance floor during storage — Ni-MH chargers on this platform typically require the pack to present above roughly 10.5V before initiating a charge cycle. Leave the pack at room temperature (above 15°C) for two hours, then try the charger again — cold cells read lower than their true resting voltage. If the charger still refuses, try a brief trickle from a compatible 12V Ni-MH charger set to recovery or conditioning mode to bring the pack above the acceptance threshold before switching to the standard charger.

The drill runs fine indoors but feels noticeably weaker on a cold job site — is the battery failing?

No — this is normal Ni-MH behaviour. Internal resistance in Ni-MH cells climbs sharply below 5°C, which increases voltage sag under load and reduces available torque without any fault in the pack. Store the battery inside at room temperature and only fit it to the tool just before use on cold days. If ambient temperature is below freezing, expect a measurable drop in sustained performance — the pack will recover fully once it warms back above 10°C.

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