{"product_id":"tanluzhe-battery-pack","title":"EM10 Battery Pack – B Hidden Down-Tube 36V\/48V Li-ion","description":"\u003cp data-end=\"743\" data-start=\"211\"\u003e\u003cstrong data-end=\"221\" data-start=\"211\"\u003eBrand:\u003c\/strong\u003e TanLuZhe\u003cbr data-end=\"233\" data-start=\"230\"\u003e\u003cstrong data-end=\"251\" data-start=\"233\"\u003eCompatibility:\u003c\/strong\u003e EM10\u003cbr data-end=\"259\" data-start=\"256\"\u003e\u003cstrong data-end=\"277\" data-start=\"259\"\u003eMounting Type:\u003c\/strong\u003e Fully hidden in the frame down-tube\u003cbr data-end=\"316\" data-start=\"313\"\u003e\u003cstrong data-end=\"338\" data-start=\"316\"\u003eRemoval \u0026amp; Locking:\u003c\/strong\u003e Down-taken system with double lock\u003cbr data-end=\"376\" data-start=\"373\"\u003e\u003cstrong data-end=\"394\" data-start=\"376\"\u003eBattery Cells:\u003c\/strong\u003e Samsung 21700 Li-ion, up to 42 cells (10S4P for 36V \/ 13S3P for 48V)\u003cbr data-end=\"466\" data-start=\"463\"\u003e\u003cstrong data-end=\"495\" data-start=\"466\"\u003eVoltage \u0026amp; Capacity Range:\u003c\/strong\u003e\u003cbr data-end=\"498\" data-start=\"495\"\u003e• 36 V 20 Ah (27.5 – 42 V) – ~720 Wh\u003cbr data-end=\"537\" data-start=\"534\"\u003e• 48 V 15 Ah (36 – 54.6 V) – ~720 Wh\u003cbr data-end=\"576\" data-start=\"573\"\u003e\u003cstrong data-end=\"594\" data-start=\"576\"\u003eCharging Time:\u003c\/strong\u003e\u003cbr data-end=\"597\" data-start=\"594\"\u003e• 36V 20Ah: 6–7 h (3A, DC 2.1 mm connector)\u003cbr data-end=\"643\" data-start=\"640\"\u003e• 48V 15Ah: 5–6 h (3A, DC 2.1 mm connector)\u003cbr data-end=\"689\" data-start=\"686\"\u003e\u003cstrong data-end=\"708\" data-start=\"689\"\u003eCertifications:\u003c\/strong\u003e CE, UN38.3\u003cbr data-end=\"722\" data-start=\"719\"\u003e\u003cstrong data-end=\"733\" data-start=\"722\"\u003eWeight:\u003c\/strong\u003e ~4.0 kg\u003c\/p\u003e\n\u003cp data-end=\"778\" data-start=\"750\"\u003e\u003cstrong data-end=\"776\" data-start=\"750\"\u003eHelp me understand it:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"896\" data-start=\"780\"\u003eWeight ~4.0 kg: Higher capacity cells with solid casing, offering a balance between energy storage and durability.\u003c\/p\u003e\n\u003ch2 data-end=\"921\" data-start=\"903\"\u003e\u003cstrong data-end=\"921\" data-start=\"906\"\u003ePros \u0026amp; Cons\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"950\" data-start=\"923\"\u003e🔹 \u003cstrong data-end=\"948\" data-start=\"926\"\u003e36V 20Ah (~720 Wh)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"963\" data-start=\"952\"\u003e\u003cstrong data-end=\"961\" data-start=\"952\"\u003ePros:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1190\" data-start=\"964\"\u003e\n\u003cli data-end=\"1011\" data-start=\"964\"\u003e\n\u003cp data-end=\"1011\" data-start=\"966\"\u003eHigher Ah capacity = extended riding range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1067\" data-start=\"1012\"\u003e\n\u003cp data-end=\"1067\" data-start=\"1014\"\u003eMore efficient with lower power motors (250W–500W).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1122\" data-start=\"1068\"\u003e\n\u003cp data-end=\"1122\" data-start=\"1070\"\u003eLower thermal and mechanical stress on components.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1190\" data-start=\"1123\"\u003e\n\u003cp data-end=\"1190\" data-start=\"1125\"\u003eIdeal for endurance-focused, long-distance pedal-assist riding.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1203\" data-start=\"1192\"\u003e\u003cstrong data-end=\"1201\" data-start=\"1192\"\u003eCons:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1310\" data-start=\"1204\"\u003e\n\u003cli data-end=\"1248\" data-start=\"1204\"\u003e\n\u003cp data-end=\"1248\" data-start=\"1206\"\u003eLower peak power output compared to 48V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1310\" data-start=\"1249\"\u003e\n\u003cp data-end=\"1310\" data-start=\"1251\"\u003eLess suitable for steep hills or heavy load acceleration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1344\" data-start=\"1317\"\u003e🔹 \u003cstrong data-end=\"1342\" data-start=\"1320\"\u003e48V 15Ah (~720 Wh)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"1357\" data-start=\"1346\"\u003e\u003cstrong data-end=\"1355\" data-start=\"1346\"\u003ePros:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1579\" data-start=\"1358\"\u003e\n\u003cli data-end=\"1430\" data-start=\"1358\"\u003e\n\u003cp data-end=\"1430\" data-start=\"1360\"\u003eHigher peak power = better hill-climbing and high-speed performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1475\" data-start=\"1431\"\u003e\n\u003cp data-end=\"1475\" data-start=\"1433\"\u003eBest for motors in the 500W–1000W range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1522\" data-start=\"1476\"\u003e\n\u003cp data-end=\"1522\" data-start=\"1478\"\u003eStrong acceleration and torque under load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1579\" data-start=\"1523\"\u003e\n\u003cp data-end=\"1579\" data-start=\"1525\"\u003eMore efficient at sustaining higher cruising speeds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1592\" data-start=\"1581\"\u003e\u003cstrong data-end=\"1590\" data-start=\"1581\"\u003eCons:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1808\" data-start=\"1593\"\u003e\n\u003cli data-end=\"1671\" data-start=\"1593\"\u003e\n\u003cp data-end=\"1671\" data-start=\"1595\"\u003eSlightly lower Ah means shorter range if used at same power output as 36V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1740\" data-start=\"1672\"\u003e\n\u003cp data-end=\"1740\" data-start=\"1674\"\u003eIncreased wear risk if paired with components not rated for 48V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1808\" data-start=\"1741\"\u003e\n\u003cp data-end=\"1808\" data-start=\"1743\"\u003eSlightly more expensive to replace due to higher voltage parts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-end=\"1845\" data-start=\"1815\"\u003e\u003cstrong data-end=\"1843\" data-start=\"1818\"\u003eExpert Advice Summary\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp data-end=\"1873\" data-start=\"1847\"\u003eGo with \u003cstrong data-end=\"1867\" data-start=\"1855\"\u003e36V 20Ah\u003c\/strong\u003e if:\u003c\/p\u003e\n\u003cul data-end=\"2018\" data-start=\"1874\"\u003e\n\u003cli data-end=\"1938\" data-start=\"1874\"\u003e\n\u003cp data-end=\"1938\" data-start=\"1876\"\u003eYou prioritize range, smoother rides, and energy efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2018\" data-start=\"1939\"\u003e\n\u003cp data-end=\"2018\" data-start=\"1941\"\u003eYour motor is 500W or less and you rely more on pedal assist than throttle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2045\" data-start=\"2020\"\u003eChoose \u003cstrong data-end=\"2039\" data-start=\"2027\"\u003e48V 15Ah\u003c\/strong\u003e if:\u003c\/p\u003e\n\u003cul data-end=\"2195\" data-start=\"2046\"\u003e\n\u003cli data-end=\"2135\" data-start=\"2046\"\u003e\n\u003cp data-end=\"2135\" data-start=\"2048\"\u003eYou want stronger acceleration, better climbing performance, and off-road capability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2195\" data-start=\"2136\"\u003e\n\u003cp data-end=\"2195\" data-start=\"2138\"\u003eYou ride at higher speeds or often carry heavier loads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2822\" data-start=\"2202\"\u003e\u003cstrong data-end=\"2215\" data-start=\"2202\"\u003eTanLuZhe:\u003c\/strong\u003e A specialized e-bike battery manufacturer focused on high-capacity, robust builds.\u003cbr data-end=\"2301\" data-start=\"2298\"\u003e\u003cstrong data-end=\"2324\" data-start=\"2301\"\u003eEM10 Compatibility:\u003c\/strong\u003e Designed to fit perfectly inside the EM10’s down-tube without external brackets.\u003cbr data-end=\"2408\" data-start=\"2405\"\u003e\u003cstrong data-end=\"2434\" data-start=\"2408\"\u003eFully Hidden Mounting:\u003c\/strong\u003e Maintains frame aesthetics and balanced handling.\u003cbr data-end=\"2487\" data-start=\"2484\"\u003e\u003cstrong data-end=\"2516\" data-start=\"2487\"\u003eDown-taken \u0026amp; Double Lock:\u003c\/strong\u003e Easy removal for charging with enhanced theft protection.\u003cbr data-end=\"2577\" data-start=\"2574\"\u003e\u003cstrong data-end=\"2613\" data-start=\"2577\"\u003eSamsung 21700 Li-ion (42 cells):\u003c\/strong\u003e High energy density and long cycle life.\u003cbr data-end=\"2657\" data-start=\"2654\"\u003e\u003cstrong data-end=\"2685\" data-start=\"2657\"\u003e36 V 20 Ah \/ 48 V 15 Ah:\u003c\/strong\u003e Balanced options for endurance or power-focused riding.\u003cbr data-end=\"2744\" data-start=\"2741\"\u003e\u003cstrong data-end=\"2760\" data-start=\"2744\"\u003eCE \u0026amp; UN38.3:\u003c\/strong\u003e Meets international safety and battery transport standards.\u003c\/p\u003e\n\u003cp data-end=\"2878\" data-start=\"2829\"\u003e🔋 \u003cstrong data-end=\"2876\" data-start=\"2832\"\u003eBattery Comparison: 36V 20Ah vs 48V 15Ah\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"_tableContainer_16hzy_1\"\u003e\n\u003cdiv class=\"_tableWrapper_16hzy_14 group flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-end=\"3597\" data-start=\"2879\"\u003e\n\u003cthead data-end=\"2957\" data-start=\"2879\"\u003e\n\u003ctr data-end=\"2957\" data-start=\"2879\"\u003e\n\u003cth data-col-size=\"sm\" data-end=\"2902\" data-start=\"2879\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-col-size=\"sm\" data-end=\"2929\" data-start=\"2902\"\u003e36V 20Ah\u003c\/th\u003e\n\u003cth data-col-size=\"sm\" data-end=\"2957\" data-start=\"2929\"\u003e48V 15Ah\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-end=\"3597\" data-start=\"3037\"\u003e\n\u003ctr data-end=\"3115\" data-start=\"3037\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3060\" data-start=\"3037\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3087\" data-start=\"3060\"\u003e36 Volts\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3115\" data-start=\"3087\"\u003e48 Volts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3194\" data-start=\"3116\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3139\" data-start=\"3116\"\u003eVoltage Range\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3166\" data-start=\"3139\"\u003e27.5 – 42 V\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3194\" data-start=\"3166\"\u003e36 – 54.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3273\" data-start=\"3195\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3218\" data-start=\"3195\"\u003eCapacity (Ah)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3245\" data-start=\"3218\"\u003e20 Ah\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3273\" data-start=\"3245\"\u003e15 Ah\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3352\" data-start=\"3274\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3297\" data-start=\"3274\"\u003eTotal Energy (Wh)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3324\" data-start=\"3297\"\u003e~720 Wh\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3352\" data-start=\"3324\"\u003e~720 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3431\" data-start=\"3353\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3376\" data-start=\"3353\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3403\" data-start=\"3376\"\u003e~4.0 kg\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3431\" data-start=\"3403\"\u003e~4.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3510\" data-start=\"3432\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3455\" data-start=\"3432\"\u003eCharging Time\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3482\" data-start=\"3455\"\u003e6–7 hours (3A)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3510\" data-start=\"3482\"\u003e5–6 hours (3A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-end=\"3597\" data-start=\"3511\"\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3534\" data-start=\"3511\"\u003eCells Used\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3565\" data-start=\"3534\"\u003eSamsung 21700 Li-ion (10S4P)\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-end=\"3597\" data-start=\"3565\"\u003eSamsung 21700 Li-ion (13S3P)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Twitter Bikes","offers":[{"title":"Endurance (36V)","offer_id":42745166561376,"sku":"45038443561121","price":3707.32,"currency_code":"NOK","in_stock":true},{"title":"Power (48V)","offer_id":42745166790752,"sku":"45038443593889","price":3707.32,"currency_code":"NOK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0667\/4658\/1088\/files\/d7c1bb33-4154-4535-950f-37d86af1f659-Photoroom.png?v=1778431885","url":"https:\/\/jabstore.com\/products\/tanluzhe-battery-pack","provider":"BeltaifaJab","version":"1.0","type":"link"}