Our bat houses are approved by Merlin Tuttle's Bat Conservation

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In theory, our \"D\" cell battery pack will provide more than 2.5x the run time you are used to seeing on your D500x, on paper at least; real world results vary. In practice, we have seen D500x go more than 30 days and still running on a project with very low bat and other noise activity. Other projects with high insect, wind\/leaves, and bat activity barely make it to ~12 nights. This is because the D500x is either rejecting noise or recording, either way this uses more power than just waiting to trigger in a quiet environment.\u003c\/p\u003e\n\u003cp\u003eThis battery pack accepts 6-D cell batteries. Alkaline batteries are 1.5v and will produce 9 volts, which is safe to operate in all D500x. If 1.2v rechargeable batteries are used, 7.2v will be produced. This is ideal so that enough voltage is produced to operate the D500x in cooler weather with the lower voltage. Either voltage is perfectly safe to operate a D500x and does not void warranty. \u003c\/p\u003e\n\u003cp\u003eWe at BCM have conducted acoustic monitoring surveys since 2001. We have used rechargeable batteries, rechargeable lead-acid batteries, solar panels, and variations. Our recommendation for a medium-length (~15 day) deployment between servicing is to use disposable alkaline batteries which have proven to be the most reliable and readily available power solution. \u003c\/p\u003e\n\u003cp\u003eAs a side note, we don't recommend leaving -any- bat acoustic monitor unattended more than ~2 weeks, so this battery capacity hits the sweet spot for regular service intervals.\u003c\/p\u003e"}

Pettersson D500x Extended Battery Pack

Product Description
$69.00
Maximum quantity available reached.

For projects which call for D500 deployments lasting ~12-20 days between servicing, we developed an external battery pack capable of using either disposable alkaline or rechargeable "D" cell batteries. This battery pack fits completely protected inside the Grab and Go storage/deployment box along with the D500x and 25' cable.

The connector mates securely with a locking screw to all D500x built/purchased from 2013 to the present, and all Special Edition D500x.

Most alkaline "D" cells provide 13,000 mAh, while standard "C" cells that typically run the D500 internally provide 6000 mHh capacity. In theory, our "D" cell battery pack will provide more than 2.5x the run time you are used to seeing on your D500x, on paper at least; real world results vary. In practice, we have seen D500x go more than 30 days and still running on a project with very low bat and other noise activity. Other projects with high insect, wind/leaves, and bat activity barely make it to ~12 nights. This is because the D500x is either rejecting noise or recording, either way this uses more power than just waiting to trigger in a quiet environment.

This battery pack accepts 6-D cell batteries. Alkaline batteries are 1.5v and will produce 9 volts, which is safe to operate in all D500x. If 1.2v rechargeable batteries are used, 7.2v will be produced. This is ideal so that enough voltage is produced to operate the D500x in cooler weather with the lower voltage. Either voltage is perfectly safe to operate a D500x and does not void warranty. 

We at BCM have conducted acoustic monitoring surveys since 2001. We have used rechargeable batteries, rechargeable lead-acid batteries, solar panels, and variations. Our recommendation for a medium-length (~15 day) deployment between servicing is to use disposable alkaline batteries which have proven to be the most reliable and readily available power solution. 

As a side note, we don't recommend leaving -any- bat acoustic monitor unattended more than ~2 weeks, so this battery capacity hits the sweet spot for regular service intervals.


"In Stock" items may ship same day to up to 3 business days after placing your order.

"Out of Stock" items may still be purchased, but realize these items may be built-to-order or we may be at the mercy of our vendors for parts of your order or product. Shipping for out of stock items may be days or weeks after placing your order. Some speciaity items may have estimated availability mentioned in their product description above.

All international orders must be paid in full via credit card or international money order before shipping.  We currently accept American Express, Visa, MasterCard and bank/wire transfers.

For international orders, any duties, tariffs or broker fees are not included in the order amount and will be collected by the shipper upon delivery. Any such fees are the responsibility of the customer. 

Please ensure the shipping address you provide can accept UPS deliveries. BCM is not responsible for any fees or delays incurred from an incorrect shipping address.

In Spanish: Todos los pedidos internacionales deben pagarse en su totalidad mediante tarjeta de crédito o giro postal internacional antes de su envío. aceptamos American Express, Visa y Mastercard.  No somos capaces de aceptar banco.

Para los pedidos internacionales, los impuestos, aranceles u honorarios de agente no están incluidos en el orden cantidad y serán recogidos por el cargador a la entrega. estas matrículas son responsabilidad del cliente.        

Por favor garantizar la dirección del envío que usted proporcione puede aceptar envíos ups. bcm no se hace responsable por el pago de honorarios o retrasos de una incorrecta dirección de envío.

What states does sales tax apply?
If you live in PA, you will be charged sales tax according to your state’s sales tax rules.  Tax Exempt Businesses/Organizations in PA only: contact us to place your order (717-241-2228). Please have your tax exempt number.

What can I return?
You may return new, unopened items sold within 30 days of delivery for a full refund. Shirts, hats, and mugs are made to order and are not returnable.

When will I get my refund?
Most refunds are fully refunded in 3-5 business days after we receive and process your return.

Does BCM do replacements?
We can only replace the exact item and version you ordered, and you are responsible to return the damaged item within 30 days. If you want to exchange for a different item, you will need to return the item and place a new order.

Pettersson D500x and M500 Bat Detectors Return and Exchange Policy
All detectors are tested by BCM staff before shipping to customers. Please contact BCM first detailing the issue you are having with the hardware and obtain a Return Authorization. Should email or phone troubleshooting fail to resolve the issue, you should send the unit in suitable packaging to BCM, with the RA number written on the packaging.

BCM will confirm the unit is defective was not abused or water damaged. BCM will replace the unit at our discretion usually within one week. Units requiring repairs may take 6-8 weeks.

Pettersson factory warranty is one year.

D500x External Microphone Return Policy
All microphones are tested by BCM staff before shipping to customers. Please contact BCM first detailing the issue you are having with the Microphone and obtain a Return Authorization. Should email or phone troubleshooting fail to resolve the issue, you should send the unit in suitable packaging to BCM, with the RA number written on the packaging.

DOA microphones are replaced immediately at no charge. There is a $150 for refurbishing used microphones, shipped immediately if in stock.

Electronics
Electronics purchased from BCM are easily returned within 30 days of receipt of shipment. These items must be in new condition with original packaging and accessories. All bat detectors sold by BCM are supported by the device's manufacturers. In the unlikely event a detector appears to be defective, please contact the customer support network for the computer manufacturer to have it serviced under warranty. Pettersson D500x/M500 devices have specific policies, see above.

Software
Software titles purchased from BCM are easily returned within 30 days of receipt of shipment. These items must be unopened and still in their plastic wrap.

General items

Other items purchased from BCM can only be returned if:

  • The return is packaged and shipped in the original packaging.
  • The items are still in new condition.
  • You ship your return within 30 days of receipt of the original shipment.

Any returns that do not meet the above qualifications may receive a reduced refund or be returned to the purchaser. Some items may incur a restocking fee as these items must be inspected, tested, and repackaged. If a restocking fee applies it will be noted on the product information page.  All returns will be less original shipping costs.

QUESTIONS & ANSWERS

Ask BCM a Question
  • Hello! I was just wondering if there is a reason that the old Pelican extended battery packs are no longer offered? I ordered 5 cases about a year and a half ago and recently had 2 packs fail. The contact springs collapsed, which resulted in the battery pack itself to heat up and smell of burned plastic. If others have had similar problems I would like to know so that I can retire the other three and find alternative solutions.

    Hi I have not heard of this feedback and we were using the 4 cell cases on our project for ~2-3 years. We have migrated to the 6 cell packs as they definately have longer run time in our experiance, and do better in cold weather. Please use only alakaline or lithium batteries in the 4 cell packs for best results; rechargables do not provide enough volts. FYI I am looking to provide a solar option as the insect horde in FL can run the D500x out of power in 10-14 nights on our projects there; if you are in a similar situation check back for availability or contact me at jchenger@batmanagement.com  -JC

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