{"id":4818,"date":"2021-08-09T00:18:17","date_gmt":"2021-08-08T16:18:17","guid":{"rendered":"https:\/\/24hourscarbattery.com.my\/?post_type=product&p=4818"},"modified":"2026-07-23T04:52:59","modified_gmt":"2026-07-22T20:52:59","slug":"banner-running-bull-backup-aux18l-51801-20ah-300en-auxiliary-agm-battery","status":"publish","type":"product","link":"https:\/\/24hourscarbattery.com.my\/zh\/product\/banner-running-bull-backup-aux18l-51801-20ah-300en-auxiliary-agm-battery\/","title":{"rendered":"BANNER RUNNING BULL BACKUP AUX18L | 51801 20Ah 300EN AUXILIARY AGM BATTERY"},"content":{"rendered":"

\ud83d\udd0b BANNER RUNNING BULL BACKUP AUX18L | 51801 20Ah 300EN AUXILIARY AGM BATTERY<\/h1>\n
\n

\u4ea7\u54c1\u4fe1\u606f<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u89c4\u683c<\/strong><\/th>\n\u8be6\u60c5<\/strong><\/th>\n<\/tr>\n<\/thead>\n
\u54c1\u724c<\/strong><\/td>\nBANNER<\/td>\n<\/tr>\n
\u7cfb\u5217<\/strong><\/td>\nRunning Bull BackUp<\/td>\n<\/tr>\n
\u77ed\u7801<\/strong><\/td>\nAUX18L<\/td>\n<\/tr>\n
\u793a\u8303\u4ee3\u7801<\/strong><\/td>\n51801<\/td>\n<\/tr>\n
\u96f6\u4ef6\u7f16\u53f7<\/strong><\/td>\n51801<\/td>\n<\/tr>\n
\u7535\u538b<\/strong><\/td>\n12V<\/td>\n<\/tr>\n
\u5bb9\u91cf<\/strong><\/td>\n20Ah<\/td>\n<\/tr>\n
Cold Cranking Rating (EN)<\/strong><\/td>\n300 EN<\/td>\n<\/tr>\n
\u7535\u6c60\u7c7b\u578b<\/strong><\/td>\nAbsorbent Glass Mat (AGM)<\/td>\n<\/tr>\n
\u7bb1\u5b50\u5c3a\u5bf8<\/strong><\/td>\nAUX18L<\/td>\n<\/tr>\n
\u957f\u5ea6<\/strong><\/td>\n206 mm<\/td>\n<\/tr>\n
\u5bbd\u5ea6<\/strong><\/td>\n91 mm<\/td>\n<\/tr>\n
\u8eab\u9ad8<\/strong><\/td>\n163 mm<\/td>\n<\/tr>\n
\u539f\u4ea7\u56fd<\/strong><\/td>\n\u00a0–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

\u4ea7\u54c1\u63cf\u8ff0<\/strong><\/h2>\n

\u8be5 Banner Running Bull BackUp AUX18L 51801<\/strong> is a genuine 12V 20Ah 300EN<\/strong> auxiliary AGM battery manufactured in Austria<\/strong>. It is specifically engineered for modern Start-Stop vehicles requiring a dedicated backup battery to support electronic control systems, safety features and advanced energy management while working together with the main starter battery.<\/p>\n

Built with advanced Banner Running Bull BackUp Technology<\/strong>, this maintenance-free VRLA Absorbent Glass Mat (AGM)<\/strong> battery delivers excellent charge acceptance, superior cycle stability and dependable backup power performance. Its sealed leak-proof construction provides reliable operation, flexible installation and long service life even under demanding driving conditions and Malaysian weather.<\/p>\n

\u8be5 Banner Running Bull BackUp AUX18L 51801<\/strong> is commonly used in selected BMW models<\/strong>, including the BMW i3<\/strong> and other BMW Start-Stop vehicles<\/strong> requiring a 12V AGM auxiliary battery<\/strong>.<\/p>\n

It is an ideal replacement auxiliary battery for vehicles requiring dependable backup power, maintenance-free convenience, reliable electronic system support and extended battery service life.<\/p>\n

\n

Features & Benefits<\/strong><\/h2>\n

\u2705 Genuine Banner Running Bull BackUp Technology<\/p>\n

\u2705 Advanced VRLA AGM Auxiliary Battery Design<\/p>\n

\u2705 Designed For Modern Start-Stop Vehicles<\/p>\n

\u2705 Ideal Backup Battery For Electronic Control Systems<\/p>\n

\u2705 Supports Vehicle Safety & Comfort Electronics<\/p>\n

\u2705 Excellent Charge Acceptance<\/p>\n

\u2705 Superior Cycle Stability<\/p>\n

\u2705 Maintenance-Free Sealed Construction<\/p>\n

\u2705 Leak-Proof AGM Battery Design<\/p>\n

\u2705 Flexible Installation Position<\/p>\n

\u2705 Suitable For Malaysian Weather Conditions<\/p>\n

\n

Suitable Vehicle Models<\/strong><\/h2>\n

Passenger Vehicle Applications (Auxiliary Battery)<\/strong><\/p>\n

BMW:<\/strong> i3, i3s, and selected BMW Start-Stop equipped models using a dedicated AGM auxiliary battery.<\/p>\n

\u26a0\ufe0f Vehicle compatibility may vary depending on manufacturing year, battery configuration and factory equipment.<\/p>\n

\u26a0\ufe0f Please verify battery size, AGM specification and vehicle application before purchase.<\/p>\n

\n

Important Notice<\/strong><\/span><\/h2>\n

Vehicle battery size may vary depending on vehicle year, engine capacity, Start-Stop system<\/strong> and manufacturer specifications.<\/p>\n

Please contact Marcus Autoparts \u2013 SS2, Petaling Jaya<\/strong> with your vehicle model<\/strong>, manufacturing year<\/strong> and current battery photo<\/strong> for compatibility verification before purchase.<\/p>\n

\n

Not Sure If This Battery Fits Your Vehicle?<\/strong><\/span><\/h2>\n

Send us:<\/p>\n

\u2714 Vehicle Model<\/strong><\/p>\n

\u2714 Manufacturing Year<\/strong><\/p>\n

\u2714 Current Battery Photo<\/strong><\/p>\n

Our team will verify compatibility before purchase.<\/p>\n

\n

Signs Your AGM Battery May Need Replacement<\/strong><\/span><\/h2>\n

\u26a0\ufe0f Engine Hard To Start<\/strong><\/p>\n

\u26a0\ufe0f Slow Cranking<\/strong><\/p>\n

\u26a0\ufe0f Start-Stop Warning Light Blinking<\/strong><\/p>\n

\u26a0\ufe0f Start-Stop System Not Functioning Properly<\/strong><\/p>\n

\u26a0\ufe0f Battery Unable To Hold Charge<\/strong><\/p>\n

\u26a0\ufe0f Frequent Jump Start Required<\/strong><\/p>\n

\n

What’s Included<\/strong><\/span><\/h2>\n

\u2705 Genuine Banner Running Bull AGM Battery<\/strong><\/p>\n

\u2705 Battery Health Check<\/strong><\/p>\n

\u2705 Alternator Charging System Check<\/strong><\/p>\n

\u2705 Professional Installation<\/strong><\/p>\n

\u2705 Warranty Registration<\/strong><\/p>\n

\u2705 Old Battery Trade-In Available<\/strong><\/p>\n

\n

Warranty Coverage<\/strong><\/span><\/h2>\n

\u2705 Genuine Banner Product<\/strong><\/p>\n

\u2705 Manufacturer Warranty Included<\/strong><\/p>\n

\u2705 Warranty Registration Available<\/strong><\/p>\n

Please contact us for warranty terms and conditions.<\/p>\n

\n

On-Site Battery Replacement Service<\/strong><\/span><\/h2>\n

Marcus Autoparts provides professional on-site car battery replacement and installation services<\/strong> throughout Petaling Jaya, Kuala Lumpur, Subang Jaya, Shah Alam, Puchong, Cheras<\/strong> and surrounding Klang Valley<\/strong> areas.<\/p>\n

Walk-in customers are also welcome at Marcus Autoparts \u2013 SS2, Petaling Jaya<\/strong>.<\/p>\n

\n

Why Choose Marcus Autoparts?<\/strong><\/span><\/h2>\n

\u2b50 Experienced Battery Specialist<\/strong><\/p>\n

\u2b50 Genuine Products Only<\/strong><\/p>\n

\u2b50 Battery Testing Before Installation<\/strong><\/p>\n

\u2b50 Alternator Charging System Check<\/strong><\/p>\n

\u2b50 On-Site Support Available<\/strong><\/p>\n

\u2b50 Fast Response Service<\/strong><\/p>\n

\u2b50 Professional Installation<\/strong><\/p>\n

\n

Frequently Asked Questions<\/strong><\/h2>\n

Is this battery suitable for my vehicle?<\/strong><\/p>\n

Please provide your vehicle model, manufacturing year and current battery photo<\/strong>. Our team will verify compatibility before purchase.<\/p>\n

What is an auxiliary AGM battery?<\/strong><\/p>\n

An auxiliary AGM battery<\/strong> supports the vehicle’s electronic systems, Start-Stop functions and safety features<\/strong> while working together with the main starter battery.<\/p>\n

Can I replace this battery with a conventional battery?<\/strong><\/p>\n

No. Vehicles originally equipped with an AGM auxiliary battery<\/strong> should continue using an AGM<\/strong> battery to ensure proper operation of the electrical and energy management systems.<\/p>\n

Do you provide installation?<\/strong><\/p>\n

Yes. Professional battery installation is available in selected Klang Valley<\/strong> areas.<\/p>\n

Do you accept old battery trade-in?<\/strong><\/p>\n

Yes. Old battery trade-in is available upon replacement.<\/p>\n

Can I walk in?<\/strong><\/p>\n

Yes. Walk-in customers are welcome at Marcus Autoparts \u2013 SS2, Petaling Jaya<\/strong>.<\/p>\n

Do you provide battery delivery?<\/strong><\/p>\n

Yes. We provide battery delivery and installation services throughout Klang Valley.<\/strong><\/p>\n

\n

Contact Us<\/strong><\/h2>\n

\ud83d\udcf1 WhatsApp \/ Call: 016-3224319 (Marcus)<\/strong><\/p>\n

\ud83d\udccd Marcus Autoparts \u2013 SS2, Petaling Jaya<\/strong><\/p>\n

\ud83d\ude9a Send us your vehicle model, manufacturing year and current battery photo<\/strong> for battery recommendation.<\/p>\n

\n

Related Searches<\/strong><\/h2>\n

Customers searching for the BANNER RUNNING BULL BACKUP AUX18L | 51801 20Ah 300EN AUXILIARY AGM BATTERY<\/strong> may also be looking for Banner Running Bull BackUp AUX18L battery<\/strong>, Banner 51801 auxiliary battery<\/strong>, 20Ah 300EN AGM auxiliary battery<\/strong>, BMW i3 auxiliary battery replacement<\/strong>, BMW AGM auxiliary battery<\/strong>, BMW Start-Stop backup battery<\/strong>, 12V AGM auxiliary battery Malaysia<\/strong>, VRLA AGM backup battery<\/strong>, European auxiliary battery replacement<\/strong>, maintenance free AGM battery<\/strong>, BMW backup battery replacement<\/strong>, Banner auxiliary battery Malaysia<\/strong>, car battery replacement Petaling Jaya<\/strong>, battery delivery Kuala Lumpur<\/strong>, professional battery installation<\/strong>, and on-site battery replacement Klang Valley<\/strong>.<\/p>","protected":false},"excerpt":{"rendered":"

\ud83d\udd0b BANNER RUNNING BULL BACKUP AUX18L | 51801 20Ah 300EN AUXILIARY AGM BATTERY Product Information Specification Details Brand BANNER Series Running Bull BackUp Short Code AUX18L Model Code 51801 Part Number 51801 Voltage 12V Capacity 20Ah Cold Cranking Rating (EN) 300 EN Battery Type Absorbent Glass Mat (AGM) Box Size AUX18L Length 206 mm Width … <\/p>","protected":false},"featured_media":4813,"comment_status":"closed","ping_status":"closed","template":"","meta":{"editor_plus_copied_stylings":"{}"},"product_brand":[637],"product_cat":[138,139],"product_tag":[1210,142,1209,265,140,455,454,1216],"class_list":["post-4818","product","type-product","status-publish","has-post-thumbnail","product_brand-banner-battery","product_cat-banner-battery","product_cat-running-bull-agm","product_tag-1210","product_tag-agm","product_tag-aux18l","product_tag-auxiliary-battery","product_tag-banner","product_tag-banner-agm","product_tag-banner-battery","product_tag-running-bull-backup","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t