Custom LiPo & Lithium Battery Pack Solutions for OEM/ODM Projects
THOR Power provides custom LiPo batteries, lithium-ion battery packs, 18650 / 21700 battery packs, and custom special battery packs with support for size, voltage, capacity, connectors, PCM/BMS, sample testing, and long-term supply.
Custom Battery Products for OEM/ODM Projects
Explore factory-direct custom LiPo batteries, LiFePO4 packs, 18650 / 21700 packs, and special battery solutions for compact devices, energy storage, power tools, and long-term OEM/ODM supply.
Custom LiPo Batteries
Thin lithium polymer batteries customized by size, capacity, connector, wire length, PCM, and label for compact electronic devices.
View Custom LiPo Batteries → All LiPo Models →
Energy Storage & Backup Power Packs
Custom LiFePO4 (LFP) battery packs for home energy storage, portable power stations, backup power and UPS systems — 12.8V / 25.6V / 51.2V platforms with BMS, RS485 / CAN communication and private-label OEM / ODM support.
View Li-ion Battery Packs → Energy Storage Models →
18650 / 21700 Battery Packs
Rechargeable 18650 and 21700 battery packs with cell selection, series-parallel design, welding, BMS protection, and pack assembly support.
View 18650 / 21700 Packs → 18650 / 21700 Models →
Custom Special Battery Packs
Custom battery pack support for non-standard projects, including battery review, structure design, connector matching, PCM/BMS integration, sampling, and batch production.
View Custom Special Battery Packs → Custom Solutions →
Factory-Direct Custom Battery Solutions for Global OEM/ODM Projects
THOR Power is the global custom battery brand of Dengzhou Xinju New Energy (Henan) Co., Ltd., a China-based lithium battery manufacturer. To better support overseas OEM and ODM customers, we have established a dedicated technical and export team in Dongguan, providing factory-direct custom battery solutions with fast communication and hands-on project support.
From custom LiPo pouch batteries and 18650 / 21700 battery packs to LiFePO4 solutions for portable power stations, home energy storage and other backup power applications , we help product developers, device brands, distributors and industrial buyers move from prototype to mass production with clearer specifications, lower selection risk, faster sample testing and stable long-term supply.
Why OEM Teams Choose THOR Power
From engineering review to documented mass production, we help OEM/ODM teams turn device requirements into reliable, reproducible custom battery packs.
Factory-Direct Supply
Factory-direct production follow-up and stable supply for LiPo, lithium-ion, and LiFePO4 battery projects.
Engineering Review
Before sampling or mass production, our team reviews battery type, voltage, capacity, connector, PCM/BMS, load current, pack structure, and production feasibility.
Fast Prototype Support
Sample support to verify battery size, capacity, connector, PCM/BMS, and product compatibility faster.
Real Capacity Testing
Real capacity and runtime testing so the specifications you receive match actual performance in your device.
Connector & PCM/BMS Customization
Connector, wire, polarity, PCM/BMS, NTC, balancing, cutoff, and current protection customization.
UN38.3 Documentation
Shipping document support (UN38.3 / MSDS) for lithium battery models and international transportation preparation.
Not Sure Which Battery Type Fits Your Device?
Different battery projects require different cell formats, power levels, protection designs, and pack structures. Use the guide below to choose the most suitable battery direction before requesting an engineering review.
For Compact & Lightweight Devices
Choose custom LiPo batteries when your device has limited internal space, thin structure requirements, lightweight design needs, or a small connector and PCM layout.
Explore Small Device Battery Applications →
For Backup Power & Energy Storage
Choose LiFePO4 / LFP battery packs when your project requires safer chemistry, longer cycle life, stable backup power, larger capacity, or 12V / 24V / 48V system design.
Explore Backup Power Battery Applications →
For High-Load Portable Equipment
Choose 18650 / 21700 cylindrical packs when your product needs higher discharge current, series-parallel cell design, stronger welding structure, and reliable BMS protection.
Explore Power Tool Battery Applications →
For Non-Standard Battery Projects
Choose custom special battery packs when your project involves unusual structure, replacement battery development, private label supply, special connector layout, or sample-to-production support.
Explore Custom Battery Project Support →From Battery Requirements to Quality-Controlled Supply
THOR Power helps OEM/ODM customers move from battery requirements to solution review, sample testing, quality inspection, and stable long-term supply.
Send Project Requirements
Share battery size, voltage, capacity, application, load current, connector, PCM/BMS, quantity, and certification needs.
→Solution & Safety Review
We review battery type, voltage platform, capacity, charging method, PCM/BMS protection, and project feasibility before sampling.
→Sample Testing & Adjustment
Samples help verify battery size, connector position, charging compatibility, discharge performance, assembly fit, and runtime.
→Quality Inspection Before Shipment
We check appearance, voltage, capacity, polarity, connector, protection function, packaging, and shipping documents before delivery.
→Delivery & Long-Term Supply
We support production follow-up, delivery, repeat orders, and stable supply for LiPo, 18650 / 21700, lithium-ion, and LiFePO4 projects.
Custom Battery FAQs
Answers to key questions about custom LiPo pouch batteries, lithium-ion battery packs, 18650 / 21700 battery packs, LiFePO4 energy storage batteries, portable power station battery capacity, PCM/BMS protection, connector customization, quality control, and shipping documentation.
1. How do you help reduce battery safety risks?
Battery safety starts from correct battery selection and engineering review, not only final inspection. THOR Power reviews battery size, voltage, capacity, cell structure, charging method, load current, connector layout, PCM/BMS protection, insulation, and application environment before sample development or mass production.
For custom LiPo pouch batteries, we focus on thickness, space fit, wire exit, PCM position, swelling risk, and device assembly safety. For lithium-ion, 18650 / 21700, and LiFePO4 battery packs, we also review BMS current limit, balancing, temperature protection, charging voltage, discharge current, and long-term operating conditions.
2. Are your battery capacity and runtime specifications accurate?
We understand that many customers worry about inflated capacity or unrealistic runtime claims. THOR Power reviews capacity based on battery model, cell structure, voltage platform, discharge current, cutoff voltage, and real application conditions.
A battery with the same mAh rating may perform differently depending on load current, temperature, BMS cutoff, internal resistance, connector resistance, and device power management. For important projects, sample testing is recommended to verify real runtime, charging compatibility, discharge performance, and product fit before batch production.
3. Can you customize batteries for limited space, special connectors, or PCM/BMS requirements?
Yes. THOR Power supports custom size, thickness, voltage, capacity, wire length, connector type, polarity, wire layout, label, packaging, PCM protection, and BMS configuration according to product design.
For compact LiPo battery projects, space, thickness, connector direction, and PCM position are often critical. For lithium-ion, 18650 / 21700, and LiFePO4 battery packs, BMS current limit, balancing, NTC temperature protection, charging voltage, discharge current, and housing fit should also be confirmed. These details help reduce wrong samples and improve project development efficiency.
4. What information should I send to get a fast and accurate custom battery quote?
To help us review your project quickly, please send battery size, voltage, capacity, application, target runtime, average current, peak current, charging method, connector type, wire length, PCM/BMS requirements, quantity, certification or shipping document needs, and any drawings or photos of the battery space.
For LiFePO4 energy storage, backup power, or outdoor power supply battery packs, please also provide system voltage, load power, backup time, charging source, installation space, communication needs if any, and expected cycle life. Clear project information helps THOR Power recommend a more accurate custom battery solution and reduce unnecessary sample revisions.
5. How quickly can you prepare prototype samples?
Prototype lead time depends on the battery type and level of customization. For many custom LiPo and lithium-ion projects, samples can usually be prepared within about 7-15 working days after the size, connector, and PCM/BMS details are confirmed.
Send us your requirements and we will confirm a realistic sample schedule for your specific project.
Still Not Sure Which Battery Fits Your Product?
Share your battery size, voltage, capacity, application, load current, connector, PCM/BMS, energy storage or backup power requirements, and sample testing needs. A THOR Power battery engineer will reply within 24 hours.