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Picture is for reference only. Design might be slightly different than pictured.

TWO new MaximalPowerâ„¢ Replacement Battery for:

  • PANASONIC 12V Power Tool Batteries


  • New MaximalPowerâ„¢ brand battery.
  • USA Based brand with Warranty and Customer Service.
  • Battery Type: NiCd.
  • 100% Compatible with original manufacturer equipments.
  • Integrated microchip prevents overcharging & lengthens battery life!
  • Capacity: 12v 2000mAh (Will NOT affect battery compatibility)
  • Quantity: 2
  • SKU#538x2

Works in the following devices:

  • PANASONIC 12V Cordless Power Tools:
    EY3502FQMKW, EY3503FQWKW, EY3550DQ6, EY3790, EY3790B, EY3794B, EY6100FQKW, EY6101FQKW, EY6102CRKW, EY6105YQW, EY6405, EY6405FQKW, EY6406FQKW, EY6407NQKW, EY6409GQKW, EY6409NQKW, EY6409X, EY6506NQKW, EY6601BC, EY6803GQW, EY6902NQKW, EY6903GQKW, EY6903GQKW31, EY7201GQKW, EY7202GQW, EY7206GQW, EY7270GQW, EY7271GQW

Replaces the following OEM battery part numbers:

  • PANASONIC # EY9001, EY9005B, EY9006B, EY9101, EY9106, EY9200, EY9201


  • Please FULLY CHARGE your rechargeable batteries before first use. When in doubt, leave your batteries to charge overnight (8 hours) to ensure a full charge.
  • Please FULLY CYCLE your Ni-Cd batteries (fully charge, then fully discharge them) at least TWICE before regular use. To discharge your battery, please simply use the battery in your device as normal, but do not recharge your battery until it is complete discharged and your device no long operates.
  • Please FULLY CHARGE your batteries a AGAIN after completing a cycle. Once this final cycling charge is complete, you may now use and/or charge your batteries as much or as little as needed, but it is wise to cycle your batteries from time to time to help prevent creating a memory.
  • DO NOT full charge your Ni-Mh batteries before storing them for long periods of time. Discharge them as much as possible first.

100% Brand New

1 Year Limited Warranty!
Ships from the USA!
Shipping Info
FREE US Postal Service Parcel Post Shipping.
(Contiguous United States Only)
FREE US Postal Service 1st Class Mail Shipping.
(Alaska, Hawaii, & all off-shore US territories only)
OPTIONAL Expedited Shipping (USPS Priority Mail) is offered at an additional cost. Insurance is also optional, and is offered at additional cost. If no insurance is purchased, no customer service is given on lost packages.
Payment Info
Terms & Conditions

By purchasing this item you are agreeing to the following terms and conditions:

Our business hours are Monday thru Friday 9:30am to 5:00pm PST. We are closed Saturday, Sunday, and ALL holidays. All questions will be answered, all payments will be processed, and all packages will be shipped only during our business hours. We encourage customers to use's Messaging System for communications. Contacting us through rather than emaling us will greatly cut down our response time. If you still choose to email us instead, your email should include your item #, your user ID, and should be sent from the email address that is registered with.

Customers are responsible for return shipping.
Return shipping & handling costs are not refundable, except in the case of DOA items
Only items in the original packaging can be returned for a refund. Restocking Fees may apply.
DOA claims can only be made within 30 days of purchase.

If an item is found to be DOA (defective on arrival) or if an incorrect item was shipped by our mistake, the buyer understands that the product will be repaired or replaced at seller's discretion, and will give the seller a reasonable amount of time to process said return. All presumed defective and/or wrong items must first obtain a Return Merchandise Authorization Number (RMA#) before being returned. Any returned package without an RMA# will be refused. The Buyer is responsible for return shipping costs, except in the case of DOA items, in which we may provide the customer with a return shipping label. All DOA claims will be investigated. If an item is found to NOT be defective by our investigation, all shipping and handling cost will be subtracted, and only a partial refund will be made.

Please note, all warranties are offered by the manufacturer and will be honored by the manufacturer only. Any warranty claim must be made with the manufacture.

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