{"id":1103,"date":"2026-08-25T19:08:50","date_gmt":"2026-08-25T17:08:50","guid":{"rendered":"https:\/\/talvok.co.za\/index.php\/product\/fenix-arb-l21-4000p-4000mah-21700-battery\/"},"modified":"2026-08-25T19:08:51","modified_gmt":"2026-08-25T17:08:51","slug":"fenix-arb-l21-4000p-4000mah-21700-battery","status":"publish","type":"product","link":"https:\/\/talvok.co.za\/index.php\/product\/fenix-arb-l21-4000p-4000mah-21700-battery\/","title":{"rendered":"Fenix ARB-L21-4000P 4000mAh 21700 Battery"},"content":{"rendered":"<p>Fenix ARB-L21-4000p 4000mah 21700 Battery<\/p>\n<p>The Fenix ARB-L21 is a high-capacity 21700 Li-ion rechargeable battery designed for extended runtimes and optimal performance. This battery powers high-output flashlights, such as the LR35R, by maintaining higher voltage levels over longer durations. It features a protection circuit to prevent short circuits, overcharge, and overheating, along with pressure relief vents to mitigate the risk of explosions. With a capacity of up to 4000mAh and 500 charging cycles, it ensures reliability and safety for high-performance devices.<\/p>\n<p>Specifications of the Fenix ARB-L21 Rechargeable Battery:<\/p>\n<p>\u2022 21700 battery type<\/p>\n<p>\u2022 4000mAh high capacity<\/p>\n<p>\u2022 Protection circuitry to prevent short circuits<\/p>\n<p>\u2022 Pressure vents to prevent explosions<\/p>\n<p>\u2022 500 charge cycles<\/p>\n<p>\u2022 Compatible with HT18, LR35R, PD36R, PD40R V2.0, TK22 V2.0, TK22 UE, and TK30<\/p>\n<p>\u2022 Overall Capacity: 4000mAh<\/p>\n<p>\u2022 Overall Voltage: 3.6V<\/p>\n<p>\u2022 Charging Current: Recommended 1A, maximum 4A<\/p>\n<p>\u2022 Maximum output current: 18A (less than 3 minutes)<\/p>\n<p>\u2022 Maximum continuous output current: 10A<\/p>\n<p>\u2022 Weight: 2.5 ounces (70g)<\/p>\n<p>\u2022 Size: Length: 2.99\u2033 (76mm), Diameter: 0.85\u2033 (21.5mm)<\/p>\n<p>Check out our other Fenix products<\/p>\n<p>Manufacturer website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fenix ARB-L21-4000p 4000mah 21700 Battery The Fenix ARB-L21 is a high-capacity 21700 Li-ion rechargeable battery designed for extended runtimes and optimal performance. This battery powers high-output flashlights, such as the LR35R, by maintaining higher voltage levels over longer durations. It features a protection circuit to prevent short circuits, overcharge, and overheating, along with pressure relief [&hellip;]<\/p>\n","protected":false},"featured_media":1104,"template":"","meta":[],"product_brand":[],"product_cat":[44,43],"product_tag":[56],"class_list":["post-1103","product","type-product","status-publish","has-post-thumbnail","product_cat-fenix-batteries-chargers","product_cat-flashlights-and-accessories","product_tag-fenix","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/talvok.co.za\/index.php\/wp-json\/wp\/v2\/product\/1103","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/talvok.co.za\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/talvok.co.za\/index.php\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/talvok.co.za\/index.php\/wp-json\/wp\/v2\/media\/1104"}],"wp:attachment":[{"href":"https:\/\/talvok.co.za\/index.php\/wp-json\/wp\/v2\/media?parent=1103"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/talvok.co.za\/index.php\/wp-json\/wp\/v2\/product_brand?post=1103"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/talvok.co.za\/index.php\/wp-json\/wp\/v2\/product_cat?post=1103"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/talvok.co.za\/index.php\/wp-json\/wp\/v2\/product_tag?post=1103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}