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{"title":"48V 28Ah Removable Electric Bike Battery with Grade A 18650 \/ 21700 Li-ion Cells - Silverfish Ebike Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/ed\/99\/7f807975e5cfce72abd3b945e7c7-200x200-1\/48v_28ah_removable_electric_bike_battery_with_grade_a_18650_2f_21700_li_ion_cells_silverfish_ebike_battery.jpg","attrs":{"Nominal Voltage":"48v","Battery type":"18650\/21700","Warranty":"12 months","Nominal Capacity":"28ah"}}
{"title":"21700 Lithium Battery Pack 48v 30ah For 1500w Electric Bike Scooter","imgUrl":"https:\/\/img.chinax.com\/nimg\/4e\/b4\/d5b865bd612a152ee5945572ec1b-200x200-1\/21700_lithium_battery_pack_48v_30ah_for_1500w_electric_bike_scooter.jpg","attrs":{"Brand Name":"Longtiger","Model Number":"Electric Scooter Battery","Certification":"CE\uff0cUN38.3\uff0cMSDS Report\uff0cFC \uff0cRoHS","Place of Origin":"Guangdong, China"}}
{"title":"OEM ODM 48V 20Ah Lithium Battery Pack For 500W\u20131000W Electric Scooters And E-Bikes","imgUrl":"https:\/\/img.chinax.com\/nimg\/98\/56\/1a2a85c544fef83bcc3865529973-200x200-1\/oem_odm_48v_20ah_lithium_battery_pack_for_500w_e2_80_931000w_electric_scooters_and_e_bikes.jpg","attrs":{"Model Number":"Electric Scooter Battery","Battery Capacity":"20Ah","Certification":"CE\uff0cUN38.3\uff0cMSDS Report\uff0cFC \uff0cRoHS","Energy":"960Wh"}}
{"title":"48V 20Ah Ebike Battery with 21700 Cells and Smart BMS for Long-Range Hailong Lithium Ion Battery","imgUrl":"https:\/\/img.chinax.com\/nimg\/5b\/32\/2284763cd6990d8ee10ae296010b-200x200-1\/48v_20ah_ebike_battery_with_21700_cells_and_smart_bms_for_long_range_hailong_lithium_ion_battery.jpg","attrs":{"Model Number":"Hailong","Color":"Black","Minimum Order Quantity":"10","Delivery Time":"10-15 work days"}}
{"title":"Hailong 36V\/48V 18650 Ebike Lithium Battery \u2013 13Ah\/15Ah\/17.5Ah For 250W\u2013750W Motors","imgUrl":"https:\/\/img.chinax.com\/nimg\/95\/39\/eb8c7baa34c0ab69824ec3312f10-200x200-1\/hailong_36v_2f48v_18650_ebike_lithium_battery_e2_80_93_13ah_2f15ah_2f17_5ah_for_250w_e2_80_93750w_motors.jpg","attrs":{"Product name":"Hailong Electric Battery Pack","Nominal Voltage":"36V\/48v","Nominal Capacity":"13ah\/15ah\/17.5ah","Battery type":"18650 cells"}}
{"title":"Lithium-ion Battery 48v 13ah 18650 Cells 13s5p For City Folding Electric Bikes","imgUrl":"https:\/\/img.chinax.com\/nimg\/7c\/7d\/955b0548885da443e6afe34ce709-200x200-1\/lithium_ion_battery_48v_13ah_18650_cells_13s5p_for_city_folding_electric_bikes.jpg","attrs":{"Brand Name":"Longtiger","Model Number":"Folding Electric Bike Battery","Certification":"CE\uff0cUN38.3\uff0cMSDS\uff0c Report\uff0cRoHS","Place of Origin":"Guangdong\uff0cChina"}}
{"title":"Lithium Ion Rear Rack Battery 36V 48V 10Ah 13Ah For Electric Bicycle","imgUrl":"https:\/\/img.chinax.com\/nimg\/0a\/17\/4392c0d5533af8c920c54cec1feb-200x200-1\/lithium_ion_rear_rack_battery_36v_48v_10ah_13ah_for_electric_bicycle.jpg","attrs":{"Certification":"CE\uff0cUN38.3\uff0cMSDS Report","Brand Name":"Longtiger","Model Number":"Rear rack battery","Place of Origin":"Guangdong, China"}}
{"title":"Down Tube Electric Bike Silverfish Battery 48v 20ah For Lithium Ion Electric Bike","imgUrl":"https:\/\/img.chinax.com\/nimg\/56\/1e\/00101c43c49a8d58220a26e65d94-200x200-1\/down_tube_electric_bike_silverfish_battery_48v_20ah_for_lithium_ion_electric_bike.jpg","attrs":{"Certification":"CE\uff0cUN38.3\uff0cMSDS\uff0c Report","Product name":"Silverfish Electric Battery Pack","Nominal Voltage":"48v","Nominal Capacity":"20Ah"}}
{"title":"Hailong Lithium Ebike Battery 36v 48v For Electric Bicycle","imgUrl":"https:\/\/img.chinax.com\/nimg\/2f\/ac\/4c660cc9ae1aebc2336603c77bad-200x200-1\/hailong_lithium_ebike_battery_36v_48v_for_electric_bicycle.jpg","attrs":{"Product name":"Hailong Electric Battery Pack","Nominal Voltage":"48V\/36V","Nominal Capacity":"Customizable","Battery type":"18650\/21700 Li-ion Battery Cells"}}
{"title":"4-in-1 Car Jump Starter with 800A Starting Current 150psi Air Pump and 8000Pa Vacuum Cleaner","imgUrl":"https:\/\/img.chinax.com\/nimg\/f1\/13\/1df7f07710541d58b7e00da0c325-200x200-1\/4_in_1_car_jump_starter_with_800a_starting_current_150psi_air_pump_and_8000pa_vacuum_cleaner.jpg","attrs":{"Total Output":"45 W","Model Number":"k2","Peak Current":"800A","Size":"31.5X26X12.5CM"}}
Shenzhen Longtiger Technology Co., Ltd. was established in September 2009 and is committed to providing customers with "safe, reliable and excellent" integrated one-stop battery product services. The main business covers the research and development, production and sales of polymer lithium-ion battery cells PACK, cylindrical battery cells and aluminum shell battery cells. After 13 years of hard work, the group has now built a battery cell PACK factory, two battery cell manufacturing bases and an intelligent business unit. As the Jiangxi production base of Longhu Technology, Jiangxi Heilan Power New Energy Co., Ltd., with an investment of RMB 220 million, was established in December 2019. The company's main business is the production and sales of cylindrical power batteries and wide temperature batteries of models such as 18650, 21700, 26550, and 32700. The current cylindrical battery production capacity is as high as 800K/day. Dongguan Deyibao New Energy Co., Ltd., as a battery manufacturing base in Guangdong Province, has rich experience in the production and development of consumer aluminum shell battery products and polymer battery products. Deyibao was established in 2007. Its products are widely sold at home and abroad and are deeply trusted by customers. As one of Longhu's future dreams, the Intelligent Business Unit was established in 2016, focusing on the research and development and sales of digital products based on battery applications, including automotive battery products and outdoor energy storage products.
Contract manufacturing: provide OEM services, provide design services, provide buyer labels
Production experience: 15 years
R&D:
We have a professional R&D team with more than 20 professional engineers engaged in BMS design, battery software, hardware design.
Provide correct and cost-effective solutions to support overseas and domestic OEM/ODM battery customers.
Our Team:
Powered by Innovation, Backed by Engineering Excellence
A dedicated team of 50+ battery R&D, testing, and customization specialists ensuring your custom energy projects reach market safely, reliably, and on time.
01. Robust R&D & Rapid Prototyping Force (50+ Technical Specialists)
Your extended overseas engineering department for custom battery solutions.
Product R&D (30 Engineers): Specialized in mechanical structure, battery cell matching, and BMS customization to meet your exact voltage, capacity, and form-factor specs.
Technical Development (6 Specialists): Dedicated to smart BMS communication protocols (CANbus, RS485), thermal safety, and customized protection circuitry.
Rapid Prototyping & Sampling (11 Specialists): 5 project-launch specialists, 6 master sampling technicians, and 3 verification experts ensure your custom samples are built, verified, and delivered with speed and precision.
Strict QA & Lab Testing (6 Product Testers): Comprehensive pre-mass production testing including cycle life aging, vibration resistance, high/low temperature tolerance, and safety diagnostics.
02. People-First Stability for Uninterrupted Supply Chains
Stable, highly-trained teams mean consistent quality and zero delivery delays for your business.
Low Turnover, Consistent Workmanship: By investing in structured career growth and employee development since 2009, we maintain an exceptionally stable workforce—ensuring your orders are crafted by experienced hands.
Standardized Digital QC Management: Advanced HRM and digital workflow management systems guarantee that every step from raw material inspection to final pack assembly follows rigorous SOPs.
A Culture of Ownership & Precision: Our team treats every customer project with a sense of ownership, ensuring high accountability and transparent communication from initial inquiry to after-sales support.
History:
Phase 1: Foundation & Market Expansion
2007 – 2012
Sep 2007: Established Shenzhen Langtai Technology Co., Ltd., launching battery pack sales for mobile phones and digital electronics.
Dec 2007: Founded Diabao New Energy, specializing in aluminum-shell mobile phone batteries (annual sales surpassed RMB 100 Million in 2019).
2016: Formed the Langtai Digital Division, independently developing and manufacturing outdoor power solutions for Western Europe and North America.
Dec 2018: Established the Langtai Power Division, expanding into light electric vehicle (LEV) battery packs for e-bikes, e-scooters, and e-mopeds.
Phase 3: Upstream Cell Manufacturing
2019
2019: Established Jiangxi Hailiang Power Co., Ltd. with an initial investment of RMB 200 Million (total planned investment: RMB 500 Million) to manufacture high-rate 18650 cylindrical cells.
Late 2019: Achieved a monthly output of 800,000 high-rate 18650 cells, securing a competitive raw-material advantage.
Phase 4: Group Scaling & Smart Manufacturing
2023 – 2026
Nov 2023: Established Guangdong Yunchuang Times New Energy Co., Ltd. to unify group capabilities and drive international B2B expansion.
May 2026: Relocated to a new, expanded smart manufacturing base in Huizhou. Commissioned 8 automated PACK lines, reaching a monthly production capacity of 150,000 battery packs.
Service:
Engineering-Driven B2B Battery Solutions
Subheading: From custom pack design and BMS engineering to dangerous goods compliance and territory protection—we empower your battery business at every stage.
01. Custom R&D & Precision Engineering (OEM/ODM)
Turn complex power requirements into certified, high-performance battery packs.
Cell Selection & Configuration: Tailored cell integration (18650, 21700, or Prismatic pouch cells) matching your continuous/peak discharge current and cycle life targets.
Smart BMS Development: Custom Battery Management System (BMS) design featuring CANbus/RS485 communication, active balancing, temperature monitoring, and precise SOC algorithm customization.
Enclosure & Structural Design: Custom plastic mold injection, Hailong/Silver Fish standard casings, or custom metal cases with up to IP67 waterproofing and vibration-proof framing.
Prototyping & Golden Sample Sign-Off: Strict 3-step prototype verification (3D mock-up, functional test, lab validation) before mass production authorization.
02. Exclusive Market & Profit Margin Safeguards
Protecting your brand equity and ensuring stable long-term profit margins.
Territory Regional Protection: Strict NDA and territorial exclusivity agreements to ensure you are the sole distributor in your agreed market—eliminating internal price wars.
Non-Compete Assurance: We do not market directly to your end customers or retail accounts under our own brand in your protected territory.
Flexible MOQ for Business Scaling: Low-MOQ batch sizes for early-stage market testing, with full scalability and price brackets for volume growth.
Eliminating shipping bottlenecks and customs risks for class 9 dangerous goods.
Full Transport Compliance: Complete DG documentation package provided with every shipment, including UN38.3, MSDS, 1.2m Drop Test Reports, and CE/UL compliance certificates.
Global Shipping Capabilities: Door-to-Door DDP/DDU, Sea Freight (FCL/LCL), Air Freight, and Express options with specialized Dangerous Goods freight forwarders.
Hazardous Materials Packaging: UN-certified cartons, fireproof insulation padding, individual terminal isolation, and palletized shrink-wrapping for zero-damage transport.
04. Technical Empowerment & Lifetime After-Sales Support
Reducing your local warranty handling costs with dedicated overseas support.
Guaranteed 24-Hour SLAs: Dedicated B2B technical account manager offering a 24-hour maximum response SLA for engineering inquiries and troubleshooting.
After-Sales Support Package: Detailed technical manuals, BMS error code diagnostics guides, and step-by-step video training for your local repair technicians.
Transparent Quality Assurance: 100% cell capacity grading, internal resistance sorting, and full-cycle aging tests before shipment. Factory virtual tours and third-party audits (SGS/TÜV) welcomed anytime.
Factory Information
Market name:
Western Europe,Eastern Europe,Southeast Asia,North America,Oceania,Africa,Middle East
