The ER18505M is a high-performance lithium thionyl chloride (Li-SOCl2) battery with 3.6V voltage and 3500mAh capacity. This non-rechargeable battery features excellent energy density and long shelf life, making it ideal for various applications.

With dimensions of 18mm in diameter and 50.5mm in height, and weighing only 29g, this compact battery is perfect for space-constrained applications. The operating temperature range from -55°C to +85°C ensures reliable performance in extreme environments.

The battery uses lithium thionyl chloride chemistry which provides stable voltage output throughout the discharge cycle. It's certified with CE, RoHS, UN38.3, and MSDS standards, guaranteeing safety and quality.
Applications include consumer electronics, home appliances, power tools, toys, medical devices, and industrial equipment. The battery comes with 3 months to 1 year warranty depending on usage conditions.

We offer OEM/ODM services including custom labeling and packaging. The battery is shipped in safe standard export cartons to ensure protection during transportation.
A truly outstanding experience from start to finish. The logistics were handled with remarkable efficiency; the package arrived well ahead of the estimated delivery window, which was a very pleasant surprise. The packaging itself was exceptionally secure and professional, clearly designed to protect the contents during transit. There was no damage whatsoever, and everything was presented neatly. Regarding quality, the batteries appear to be manufactured to a very high standard. The build is solid, the specifications on the label are clear and match the product description perfectly, and they give an immediate impression of reliability and durability suitable for demanding applications. The service provided by the supplier was equally impressive. Communication was prompt, clear, and helpful throughout the entire process. Any preliminary inquiries were answered thoroughly and without delay, fostering a great sense of confidence. The overall transaction was smooth, transparent, and handled with a high degree of professionalism. It is evident that this supplier prioritizes customer satisfaction and operational excellence. This combination of swift and reliable logistics, apparent top-tier product quality, and exemplary customer service makes for a highly commendable purchasing experience. I would not hesitate to recommend this supplier to others and will certainly consider them for future needs. The entire process felt seamless and reinforced the decision to choose this provider for such critical components.
Smooth and efficient logistics were the first thing I noticed. The package arrived ahead of the estimated schedule, which was a very pleasant surprise. The battery itself was securely packaged with appropriate protective materials, showing clear attention to detail for safe transit. Upon inspection, the build quality appears excellent. The battery has a solid, well-constructed feel, and the terminals are clean and precisely formed. It matches the specified dimensions and weight expectations perfectly. The labeling is clear, professional, and includes all necessary specifications and safety warnings. Customer service deserves special mention for their proactive communication. I received timely shipping updates and a follow-up email to ensure the order was received satisfactorily. Their responsiveness to a pre-purchase inquiry was also prompt and helpful. Overall, this was a highly professional transaction from start to finish. The combination of reliable delivery, apparent high manufacturing standards, and attentive support makes this supplier a strong choice for OEM components. I am confident in the product's potential performance based on its physical attributes and the supplier's demonstrated reliability.
Hats off to the exceptional logistics team! The delivery was incredibly swift and well-handled. From the moment I placed the order, tracking was precise and updates were timely. The packaging was robust and secure, ensuring the product arrived in pristine condition. The quality of the battery itself appears outstanding upon initial inspection; it feels solid and well-manufactured, exactly as described. Customer service was equally impressive—responsive, polite, and very helpful with my pre-purchase inquiries. Overall, a seamless and highly satisfactory purchasing experience from start to finish. I am thoroughly pleased and would confidently recommend this supplier to others based on this transaction.
Commendable experience from start to finish. The shipping was remarkably swift and the package arrived securely without any damage, which was a relief. Communication throughout the process was clear and professional, making the transaction smooth. The battery itself appears to be of solid construction, matching the specifications listed. Overall, a very satisfactory purchase with no complaints regarding the logistics or the support received.
Jaw-droppingly fast delivery! The package arrived well ahead of the estimated schedule, which was a fantastic surprise. The battery was securely and professionally packaged, showing clear attention to detail for safe transit. Regarding quality, the initial inspection reveals a robust and well-constructed cell that matches the product description perfectly. The communication from the supplier was prompt and clear throughout the process, making the entire transaction smooth and worry-free. This level of service and logistical efficiency is commendable and sets a high standard. I am thoroughly impressed with the seamless experience from ordering to receipt. The overall professionalism exhibited is outstanding. I would not hesitate to recommend this supplier based on this initial interaction. A truly positive experience that inspires confidence for future purchases.
Delivery was remarkably swift and efficient. The package arrived well-protected and ahead of schedule, which was a pleasant surprise. The logistics process was seamless from tracking to final handover. Regarding quality, the batteries appear to be solidly constructed with good terminal integrity and proper labeling, matching the specifications for a high-temperature range application. Customer service communication was direct and helpful during the ordering confirmation phase. A straightforward and satisfactory procurement experience overall.
Outstanding experience from start to finish. The shipping was remarkably fast and efficient, with the package arriving well ahead of the estimated delivery date. Everything was securely packaged, showing clear attention to detail in logistics. Regarding quality, the batteries appear to be very well-constructed with solid casing and clear, professional labeling, which inspires immediate confidence. The service aspect was equally impressive; communication was prompt and helpful, and any preliminary questions were answered clearly and professionally. The overall process felt seamless and reliable. It’s evident that care is taken at every step, from processing the order to its final delivery. This level of execution in logistics, perceived quality, and customer service is commendable and makes for a very satisfactory purchasing experience. I would certainly consider this supplier for future needs based on this smooth and professional interaction. The entire transaction reflected a high standard of operation that is sometimes hard to find.
Smooth delivery process from start to finish. The shipping was remarkably prompt, with the package arriving well ahead of the estimated schedule. Tracking information was consistently accurate and updated in real-time, which made monitoring the shipment effortless. The item was packaged with exceptional care, utilizing sturdy materials that provided excellent protection during transit. Upon inspection, the battery itself appears to be of superior build quality. The construction feels robust and the terminals are clean and well-defined, indicating careful manufacturing standards. Communication from the supplier was clear and professional throughout the entire transaction. Any preliminary inquiries were addressed swiftly and with helpful detail. The overall experience was highly satisfactory, reflecting a well-organized operation that prioritizes both product integrity and customer service. This level of attention to logistics and quality assurance is commendable and makes the purchasing process reliable and stress-free. I am confident in the supplier’s capabilities based on this seamless experience.
Naturally, the delivery was impressively swift, arriving well ahead of the estimated schedule. The packaging was secure and professional, ensuring the product was perfectly intact upon arrival. Regarding the item itself, the build quality feels robust and meets the specifications as described. The communication from the supplier was clear and proactive, providing timely updates. Overall, a very satisfactory experience from start to finish. The process was seamless, and the product appears to be of reliable manufacture. I am content with this transaction and the level of care demonstrated throughout.
Very satisfied with the overall experience. The shipping was remarkably fast and efficient, with the package arriving well ahead of the estimated delivery date. It was securely packaged, showing no signs of damage during transit. The quality of the battery itself appears to be excellent upon initial inspection; it feels solid and well-constructed, matching the specifications provided. Communication from the supplier was clear and professional throughout the process, promptly addressing a minor inquiry I had regarding the order. While I have not yet put the battery into long-term use, the initial impressions regarding the physical product and the transactional aspects are highly positive. The service was reliable, and the logistics were handled seamlessly, making the purchase process straightforward and hassle-free. This supplier seems dependable for such specialized components.