Pearstone SB-4 AC Adapter for Vivitar 283 & 285HV Flashes

Pearstone SB-4 AC Adapter for Vivitar 283 & 285HV Flashes

Pearstone SB-4 AC Adapter for Vivitar 283 & 285HV Flashes

B&H # PESB4 MFR # 239404

Show MoreLess


Now Viewing:

In Stock

Product Highlights

  • Replaces the Vivitar SB-4 AC Adapter

NOTE: This product has specific compatibility requirements. Please see full product description for further details.

B&H $500 Gift Card Dash

Share for a chance to win a $500 B&H Gift Card!

Share on Twitter

Share a favorite product for chances to win one of eight $500 B&H Gift Cards!
1 new winner announced every Monday starting Nov 5th!
Limit 1 entry per day: Come back every day to increase your chance of winning.

Be sure to mention #BHWishList when you share!

Congrats to our winners so far:

Next winner: Dec 17th

James Z. (Wk 1)

Ralph H. (Wk 2)

Arturo M. (Wk 3)

Rich P. (Wk 4)

Valeria A. (Wk 5)

Sabrina B. (Wk 6)

Official Rules


NO PURCHASE IS NECESSARY TO ENTER OR WIN. The B&H $500.00 Gift Card Dash (the "Sweepstakes") is void where prohibited by law and is sponsored by B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 ("Sponsor"). It is not sponsored or endorsed by Facebook or Twitter in any way.

Entry Period/Methods of Entry. The Sweepstakes will run from on or about October 28, 2018 until on or about December 23, 2018 (the "Entry Period"). Entries received outside the Entry Period are void. Enter the Sweepstakes via either one of the following methods. (1) Share any product found on the B&H website (the "Website") on Facebook or Twitter via the dedicated links contained on the website using the hashtag #BHWishlist; or (2) Mail a postcard (postmarked during the Entry Period) containing your name, address, phone number, and email address, and indicate the subject(s), if any, about which you are interested in receiving future emails from B&H (e.g. photo, video, audio, computers, home theater, portable entertainment ) (optional) to: B&H $500.00 Gift Card Dash Sweepstakes, c/o B&H Foto & Electronics Corp., 440 Ninth Avenue, New York, NY 10001 (either option, an "Entry"). Entries must not, in the sole and absolute discretion of the Sponsor, contain obscene, provocative, defamatory, sexually explicit, or otherwise objectionable or inappropriate content. Entries deemed by Sponsor to be inappropriate will be disqualified. Entries owned by a third party, or the use of any trademarks, service marks, logos, brands, or products owned by a third party are not acceptable for entry into the Sweepstakes. Limit 1 entry per person, per day.

Winner Selection/Prizes/Odds. The B&H Social Team will randomly select a winner from among all eligible entries every Monday during the Entry Period, for a total eight (8) winners (each a "Winner"). Each Winner will receive a B&H Gift Card pre-valued in the amount of $500.00. No cash or other substitutions will be offered. Winner selection is in the sole and absolute discretion of the B&H Social Team. Any taxes are the sole responsibility of the winner. Winners will be notified and receive their prize at the email address associated with the account to which their Entry was posted or the email account provided with a mail-in entry. The odds of winning depend on the number of eligible entries received.

Identity of Winners/Eligible Participants. Winners will be identified by the email account associated with the Facebook or Twitter account from which their Entry was submitted or the email account provided with a mail-in entry. An email account holder shall mean the natural person assigned to such email account by the internet access or online service provider or other organization responsible for assigning email addresses for the domain associated with such email account. Any issues regarding the identity of a Winner shall be resolved by Sponsor in its sole discretion. The Sweepstakes is only open to residents of the United States that are at least eighteen (18) years of age on their entry date and is not open to employees of Sponsor, their immediate family, any person domiciled with such employees, or any affiliates or subsidiaries of Sponsor.

Entry Ownership/Entrant Agreements. Entrants retain full ownership and copyrights to their Submission. However, by entering the Sweepstakes entrants grant Sponsor permission to use their Entries for promotional purposes on their respective social media channels with proper credit. Entrants also agree: (a) to be bound by these Official B&H $500.00 Gift Card Dash Sweepstakes Rules; (b) that any claims related to this Sweepstakes shall be resolved individually without resort to any form of class action and that awards, shall be limited to actual out-of-pocket costs incurred in entering the Sweepstakes, and shall not include incidental or consequential damages or attorneys fees; and (c) that any actual or perceived ambiguities in these rules shall be interpreted by Sponsor in their sole discretion.

Limitation of Liability/Sponsor Modification/Cancellation Rights/ Choice of Law/ Venue/ Winners List. Sponsor is not responsible for incomplete entries or for failure to receive entries due to technical failures or human error of any kind. Winners agree that Sponsor will have no responsibility for losses or damage of any kind resulting from the acceptance, possession, or use of the prizes. Except where prohibited, participation in the Sweepstakes constitutes entrant's consent to the publication of his or her name by Sponsor in any media for commercial or promotional purposes without limitation or further compensation subject to Sponsor's respective Privacy Policies. Sponsor may modify or discontinue the Sweepstakes at any time and may disqualify from the Sweepstakes any person it determines, in its sole discretion, to have attempted to or actually tampered with or otherwise abused any aspect of the Sweepstakes. Entrants agree that in the unlikely event a dispute arises in connection with this Sweepstakes, it will be governed by the laws of the State of New York and heard exclusively in a court of applicable jurisdiction in the County and State of New York irrespective of any choice of law provisions to the contrary. To receive names of the winners by U.S. mail, please mail a self-addressed stamped envelope to: B&H Foto & Electronics Corp., Attn: B&H $500.00 Gift Card Dash Sweepstakes, 440 Ninth Avenue, New York, NY 10001. Any Winners List request must be received by B&H within one (1) year of the date the Sweepstakes is conducted.

Let us know how to reach you if you win!

Privacy 100% guaranteed; email address for contact purposes only


Already have a B&H account? Just log in tomorrow to enter again!

$0 VA Sales Tax Collected on This Item
Add to Wish List Item in Wish List

Pearstone SB-4 overview

  • 1Description

The Pearstone SB-4 is an AC adapter that allows the Vivitar 283 and 285HV flash units to be powered by 110V household current. This is especially useful for use in the studio. The adapter will also decrease the flash recycling time down from 10.4 seconds to 4.8 seconds, and it has a 6' (1.8 m) cord.

Note: The 283 and 285HV flashes require fresh AA batteries to be installed, even when using the AC adapter. With 285HV models manufactured after 2006, only alkaline batteries will allow the adapter to deliver proper voltage.

The SB-4 replaces the Vivitar SB-4 (239404) AC Adapter.

Note: NOT compatible with original 285 non-HV models, which required the SB-6 adapter.

UPC: 847628001077
In the Box
Pearstone SB-4 AC Adapter for Vivitar 283 & 285HV Flashes
  • 1-Year Warranty
  • Table of Contents
    • 1Description

    Pearstone SB-4 specs

    Input Voltage 120V, 60Hz, 200mA
    Output Voltage 200VDC, 4mA
    Cord Length 6' (1.8 m)
    Dimensions 2.4 x 2 x 1.5" (25 x 5 x 3.8mm)
    Weight 10.6 oz (300 g)
    Packaging Info
    Package Weight 0.7 lb
    Box Dimensions (LxWxH) 5.4 x 3.3 x 2.7"

    Pearstone SB-4 reviews

    SB-4 AC Adapter for Vivitar 283 & 285HV Flashes is rated 4.1 out of 5 by 41.
    Rated 4 out of 5 by from Works well, once it's made to fit I have three of these that have been working well for me, reducing my full-strength recycle times from more than 10 seconds down to 5 or six seconds. Some people have noted difficulty with the fit of the plug. My two cents -- Inside the plug at the end of the cord are sleeves that enclose the pins on the body of the flash. From the factory, these sleeves were too tight, and made it very difficult to seat the plug. I spread the sleeves slightly with the prong of a fork, just enough to make the plug go on smoothly but still make firm contact. Now the plug seats smoothly, and the power supply works well.
    Date published: 2011-11-25
    Rated 5 out of 5 by from Cheap at twice the price Read the B+H reviews before purchasing, but I'm unable to understand the reviewers that said it didn't fit correctly. The flash must be turned off before inserting the connector. There's a plastic tab that prevents you from inserting the plug if the flash is on. Likewise, once the plug IS inserted, you can't move the power switch. It WON'T decrease the recycle time. A fresh set of batteries takes the same time to recycle as the SB-4. Also can't understand the statement that it needs batteries installed. Mine worked fine without batteries, and a look at the schematic reveals that the batteries are disconnected when the power supply is correctly inserted.
    Date published: 2014-10-19
    Rated 4 out of 5 by from Works well, plugs are hard to use I bought two of these for my Vivitar 285HV flashes. These work fine, note that you DO need to have fully charged alkaline batteries in the flash for this to work. I knocked a star off because the plugs can be a bit tough to attach to the flash. I had to bend the pins on one of my flashes to make it work. I would buy these again - they have improved my cycle time and allowed me to shoot for long periods without swapping multiple battery sets. The cords are a bit short when you have flashes high on light stands - plan to have plenty of extension cords.
    Date published: 2012-01-30
    Rated 3 out of 5 by from Doesn't fully power flash I don't know everything there is to know about photography, so I know this is user error, but when I buy an AC adapter, I expect it to power the device that I am attaching it to. This is NOT the case with the SB-4. It only powers part of the flash and still requires FULL batteries at all times in order to work. Prior to purchasing, I had read that batteries needed to be in place in order for it to work, but I had just presumed that that was in order for the current to flow through. I bought the 285HV and the SB-4 because I was looking for a compact flash that was powered by AC for an installation. I'm sure it's a great adapter for a great flash, but it does not do what I would expect it to do. It's going back to the store.
    Date published: 2012-07-03
    Rated 4 out of 5 by from New life for my vivitar 285 hv flash My flash is out of warranty and the capacitor needs a lot of rehab on the first use. This can kill a set of batteries before you take your first snapshot. This sb4 adapter allows me to recondition the capacitor in a few minutes (about 10 manual flash cycles). This gets the cycle times much shorter then I switch back to batteries. The sb4 adapter is surprisingly heavy for its small size and I wish the power cable to the flash was about 5 feet longer but this is tolerable with a household extension cord
    Date published: 2012-08-23
    Rated 5 out of 5 by from Keep those Great Vivitar 283s Going Simple but essential. Keep several ever great Vivitar 283s going strong. Nothing fancy but works as advertised and essential for not burning through those double A's.Leave it to B&H to have them!
    Date published: 2013-04-22
    Rated 4 out of 5 by from A little quicker than fresh batterys This has about a 7 second cycle rate. I was hoping for a little faster but for the money it is worth it.
    Date published: 2014-11-28
    Rated 4 out of 5 by from this saves me money in batteries I go through a lot of batteries with three flashes. This will save batteries for two if the flashes
    Date published: 2011-12-06
    • y_2018, m_12, d_4, h_18
    • bvseo_bulk, prod_bvrr, vn_bulk_2.0.9
    • cp_1, bvpage1
    • co_hasreviews, tv_0, tr_41
    • loc_en_US, sid_638035, prod, sort_[SortEntry(order=RELEVANCE, direction=DESCENDING)]
    • clientName_bhphotovideo
    Be the first to review this item

    Pearstone SB-4 Q&A

    See any errors on this page? Let us know.