PERMA Battery Packs

🔋 Lithium Polymer 754262 3.7V 2800mAh Pure LCO Material ✨

We are preparing a fresh production batch of the high-performance Lithium Polymer 754262 3.7V 2800mAh battery cell using pure LCO material system.

This compact cell delivers excellent long-life performance, high energy density, and consistent quality — ideal for wireless routers, portable electronics, IoT devices, and other space-constrained applications.

Key Highlights:

⚡ Pure LCO chemistry for superior stability and longevity

⚡ Professionally wrapped edges for enhanced protection

⚡ Produced on automatic manufacturing lines for high consistency

⚡ Existing international certificates

We specialize in developing custom battery pack solutions with custom battery BMS, fully tailored to your exact requirements. OEM and ODM projects are most welcome — from prototype to mass production.

Electronics manufacturers, designers, and OEM buyers — interested in securing this new batch?

👉 DM me today for samples, detailed specifications, certificates, and competitive pricing. We’re ready to support your next project with reliable, high-quality 754262 battery and LCO Battery solutions.

🔋 LiPo 754262 3.7V 2800mAh in Pure LCO material system is to be newly produced with existing mould ✨

We are excited to announce a new production batch of the high-performance Lithium Polymer 754262 3.7V 2800mAh battery cell, built with pure LCO material system.

This compact and reliable battery cell offers excellent energy density, strong stability, and proven safety — making it an ideal choice for wireless routers, portable electronics, IoT devices, and other compact applications.

Key Advantages: ⚡ Pure LCO chemistry for superior performance ⚡ 2800mAh capacity with consistent output and life long excellent performances ⚡ Existing international certificates ⚡ Fully customizable for high-end OEM and ODM projects

We specialize in developing custom complete battery pack solutions integrated with custom battery BMS, tailored to your exact voltage, capacity, and protection requirements. OEM and ODM projects are most welcome.

Looking for a reliable new batch of high-quality Li-Polymer battery cells or custom battery pack solutions?

👉 DM us today for samples, detailed specifications, certificates, and competitive OEM pricing.

We’re ready to support your next project with consistent quality and fast turnaround.

🔋 New Production Batch: Lithium Polymer 754262 3.7V 2800mAh in Pure LCO material system 🌟

We are preparing a fresh production batch of the high-performance Lithium Polymer 754262 3.7V 2800mAh using pure LCO material system.

This compact and reliable battery cell offers excellent energy density and long-term stability, making it ideal for wireless routers, portable electronics, IoT devices, and other space-constrained applications.

Key Advantages:

⚡ Pure LCO chemistry for high energy density and excellent cycle life performance

⚡ 2800mAh capacity with strong performance consistency

⚡ Equipped with existing international certificates

⚡ Suitable for custom Li-po battery pack development

A brand new batch is now entering production. With strict quality control and proven reliability, these battery cells are ready to support your OEM and ODM projects.

We specialize in manufacturing custom complete battery pack solutions integrated with custom battery BMS, fully tailored to your voltage, capacity, and protection requirements.

Electronics manufacturers, designers, and OEM buyers — interested in securing reliable battery stock for your next project?

DM me today for samples, technical specifications, certificates, and competitive OEM pricing.

We look forward to supporting your development and mass production needs with consistent quality.

❄️ Engineering for the -40°C Frontier: Redefining Thermal Limits with Boston Power Swing 5300 🔋 Thermal management is often the most significant bottleneck in high-performance hardware design. When standard Li-ion cells hit their "thermal wall," system failure becomes a liability. The Boston Power Swing 5300 was engineered specifically to solve this for OEM applications where reliability is non-negotiable. Here is why this Boston Power Swing 5300 battery cell is becoming the benchmark for industrial, aerospace, and medical grade power: ❄️ Sub-Zero Performance: While conventional cells require energy-draining heaters to function at -10°C, the Swing 5300 delivers robust discharge capability down to -40°C. It is built for arctic deployments, high-altitude aerospace, and cold-chain logistics. 🔄 Unmatched Cycle Life: Stability equals ROI. With a 3,000+ cycle life, these cells offer 3x the longevity of standard high-density Li-ion solutions. For OEM buyers, this translates to reduced field maintenance, fewer warranty claims, and a significantly lower Total Cost of Ownership (TCO). 🛡️ Safety & Stability: Beyond the specs, the Swing 5300 is recognized for its unique flat discharge curve and superior thermal stability, ensuring consistent power delivery under high-drain conditions. If your next project demands battery power that survives the extremes—without sacrificing lifespan—it’s time to specify a cell that does both. Are you designing for extreme environments? Let’s discuss the thermal requirements of your next build in the comments. #EnergyStorage

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#RenewableEnergy

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👏 500,000 pieces LIPO 103040 1200mAh Battery currently in stock at very competitive pricing, both small and large volume orders with fast delivery canbe supported now! 🔋

We continue to strengthen our manufacturing capabilities to better serve our OEM and ODM partners.

In this short video, you can see our professional assembly line in action for the LIPO 103040 1200mAh rechargeable battery packs. The process includes precise taping and secure fixing of the protection PCB using semi-automated taping machines — ensuring excellent structural integrity, safety, and long-term reliability.

Highlights:

⚡ High-capacity 1200mAh LiPo cells

⚡ Professional protection PCB integration

⚡ Strict quality control at every stage

⚡ 500,000 pieces currently in stock with very attractive pricing

This combination of quality manufacturing and immediate stock availability makes these custom Li-po battery packs an ideal choice for consumer electronics, portable devices, IoT solutions, and other applications requiring reliable power.

We are fully equipped to support both small trial orders and large-volume productions with consistent quality and fast turnaround.

Interested in securing stock or developing custom solutions?

👉 DM us today for samples, detailed specifications, and special OEM pricing.

We look forward to supporting your next project with dependable battery solutions.

Can Electric Bicycles Still Be Used After Being Soaked in Water?

Important Safety Advice During Rainy Season

With frequent heavy rainstorms in recent weeks and severe water accumulation on many roads, many commuters are facing a serious question: What should I do if my electric bicycle gets submerged in water?

Although most electric bicycles have basic waterproof designs to handle normal splashing, they are not designed for prolonged water immersion. Once submerged, the risks increase significantly.

Major Safety Risks of Water-Soaked Electric Bicycles

Motor Damage and Performance Degradation Water can seep into the motor, corroding coils and bearings. This leads to poor operation, accelerated aging, strange noises, and eventual motor failure.

Battery Short Circuit, Fire & Explosion Risk The most dangerous issue. Rainwater entering the battery pack can cause internal short circuits, rapid aging of the BMS (Battery Management System), and in worst cases, thermal runaway leading to fire or explosion.

Controller and Electrical System Failure Water damage to the controller and wiring can result in unpredictable power delivery, sudden power loss, or complete system failure.

What to Do If Your Electric Bicycle Gets Soaked

Never do this:

Do not attempt to charge the battery immediately (extremely high risk of electric shock and fire).

Correct Steps:

Immediately remove the battery from the vehicle.

Wipe the exterior thoroughly with a dry cloth.

Place the battery and vehicle in a well-ventilated, dry area to air dry naturally (do not use heat sources like hair dryers).

Send the vehicle to a professional repair shop as soon as possible for full inspection, drainage, and testing. Do not attempt to disassemble or repair it yourself.

Critical Rules for Riding in Rainy Weather

Avoid deep water — Take a detour rather than forcing through flooded areas.

Park smart — Choose higher ground and dry locations during heavy rain.

Ventilate after rain — Remove any rain covers promptly once the weather clears to allow moisture to escape.

Regular maintenance — Periodically check batteries, motors, and seals, replacing aging components before problems occur.

Bottom line: While electric bicycles are convenient, they are not submarines. Treating water exposure seriously can prevent costly repairs — or worse, dangerous accidents.For manufacturers and OEM partners developing e-bikes and LEVs, enhancing waterproofing standards (especially for batteries and connectors) has become increasingly important for customer safety and brand reputation.

🔋 High-Volume 21700 Li-ion Cell Capacity Grading & Quality Assurance 👏

In the dedicated chemical workshop, every batch of rechargeable Li-ion 21700 battery cells undergoes rigorous capacity grading through precise charging and discharging tests. With a daily output capacity of 190,000 pieces, we ensure consistent performance, reliable energy density, and tight voltage/capacity matching.

These high-quality 21700 cells are ideal for demanding applications including Light Electric Vehicles (LEVs), robotics, industrial equipment, energy storage systems, and other high-performance solutions.

From raw cell selection to final grading, we combine advanced testing equipment with experienced technicians to deliver cells and battery packs you can trust in your products.

We also specialize in developing custom battery packs and custom battery BMS solutions tailored to your exact voltage, capacity, operating current and protection requirements.

Looking for a reliable, high-volume battery partner?

👉 DM us today for samples, detailed test reports, specifications, and competitive OEM pricing.

We’re ready to support your battery project from prototype to mass production with consistent quality and on-time delivery.

From Production Line to Global Delivery: Custom Battery Packs 🔋

We take great pride in our efficient and reliable manufacturing process — from precision assembly to secure global shipping.

🌟 Professional assembly of custom Li-po battery packs and 18650 battery packs on our advanced production lines

🌟 Rigorous quality control at every stage

🌟 Careful final packing into cartons and loading onto pallets, ready for safe shipment to OEM and ODM electronics manufacturers worldwide

Every battery pack is built with strict quality standards, consistent workmanship, and attention to detail — ensuring the reliability and safety that demanding clients expect.

Whether you need small-batch prototypes or large-volume production, we deliver scalable, high-quality solutions you can trust.

Looking for a dependable long-term partner for your custom battery requirements?

👉 DM us today for samples, production videos, detailed specifications, and competitive OEM/ODM pricing.

We’re ready to support your project from design to delivery.