{"id":477419,"date":"2025-09-11T10:35:09","date_gmt":"2025-09-11T07:35:09","guid":{"rendered":"https:\/\/www.fotomonza.com\/?post_type=product&#038;p=477419"},"modified":"2026-04-18T07:18:19","modified_gmt":"2026-04-18T04:18:19","slug":"westcott-fj-promax-ac-dc-battery-power-adapter-for-fj800-fj400-ii-strobes","status":"publish","type":"product","link":"https:\/\/devbed.fotomonza.com\/en\/kauppa\/westcott-fj-promax-ac-dc-battery-power-adapter-for-fj800-fj400-ii-strobes\/","title":{"rendered":"Westcott FJ ProMax AC\/DC Battery &amp; Power Adapter for FJ800 &amp; FJ400 II Strobes"},"content":{"rendered":"<h2>Westcott FJ ProMax AC\/DC battery and power supply for FJ800 and FJ400 II flashguns<\/h2>\n<p>The Westcott FJ ProMax AC\/DC battery and power supply sets a new standard for portable power supply. Battery provides over 1000 full power flashes on a single charge <a href=\"https:\/\/devbed.fotomonza.com\/en\/kauppa\/westcott-fj400-ii-touchscreen-strobe-with-fj-pro-ac-dc-battery-400ws\/\">FJ400 II<\/a> -and over 500 flashes with the FJ800 flash. Whether you're shooting dynamic portraits or large group shots, the battery provides the performance you need for demanding projects.<\/p>\n<p>The high-capacity (148 Wh, 5000 mAh) lithium-ion battery enables long shooting sessions without the need for constant charging. The battery fully charges in about three hours and can withstand more than 300 charge cycles, maintaining at least 80 % of its capacity.<\/p>\n<p>The AC\/DC flexibility of the FJ ProMax battery increases user comfort. A built-in maintenance charging feature allows you to run the equipment on mains power when the battery charge level is at least 25 %, so you can continue working uninterrupted even on long shoots.<\/p>\n<h2>Main features<\/h2>\n<ul>\n<li>Compatible with FJ400 II and FJ800 flash units<\/li>\n<li>Over 1000 full power flashes on the FJ400 II, over 500 on the FJ800<\/li>\n<li>High capacity: 148 Wh, 5000 mAh<\/li>\n<li>Fast ~3 hour charging time<\/li>\n<li>Over 300 charge cycles for long life<\/li>\n<li>LED indicators to monitor the battery charge level<\/li>\n<li>Built-in maintenance download function<\/li>\n<\/ul>\n<h2>Technical specifications<\/h2>\n<ul>\n<li>Battery type: FJ ProMax AC\/DC lithium-ion battery<\/li>\n<li>Battery capacity: 148 Wh, 5000 mAh<\/li>\n<li>Battery voltage: 29,6 V<\/li>\n<li>Charging voltage: DC 33.6 V, 2 A<\/li>\n<li>Charging time: about 3 hours<\/li>\n<li>Charging cycles: 300+ (80 % capacity remaining after 300 charges)<\/li>\n<li>Power supply: 100-240 V AC, 50\/60 Hz, 1.5 A max<\/li>\n<li>Operating temperature: 0\u00b0 - 45 \u00b0C<\/li>\n<li>Power cord: 2.9 m, type B (US)<\/li>\n<li>Weight: 1,0 kg<\/li>\n<li>Certificates: CE, RoHS (battery); CE, cETLus, RoHS (power supply)<\/li>\n<li>2 year warranty<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<ul>\n<li>Compatible with FJ400 II and FJ800 flash units<\/li>\n<li>Over 1000 full power flashes with the FJ400 II<\/li>\n<li>High capacity: 148 Wh, 5000 mAh<\/li>\n<li>Fast ~3 hour charging time<\/li>\n<li>LED indicators to monitor the battery charge level<\/li>\n<li>Built-in maintenance download function<\/li>\n<\/ul>","protected":false},"featured_media":477420,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_gspb_post_css":""},"pwb-brand":[10716],"product_brand":[],"product_cat":[2110,4942,186],"product_tag":[],"class_list":{"0":"post-477419","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"pwb-brand-westcott","7":"product_cat-akkusalamat","8":"product_cat-akkusalamoiden-lisatarvikkeet","9":"product_cat-salamat-studio-ja-led","11":"first","12":"onbackorder","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"mb":[],"brands":[{"id":10716,"name":"Westcott","slug":"westcott"}],"mfb_rest_fields":["title","brands"],"_links":{"self":[{"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/product\/477419","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/comments?post=477419"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/media\/477420"}],"wp:attachment":[{"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/media?parent=477419"}],"wp:term":[{"taxonomy":"pwb-brand","embeddable":true,"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/pwb-brand?post=477419"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/product_brand?post=477419"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/product_cat?post=477419"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/devbed.fotomonza.com\/en\/wp-json\/wp\/v2\/product_tag?post=477419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}