li polymer battery pack 11.1V 850mAh

11.1V 850mAh lithium polymer battery pack is made from high-quality pure cobalt materials, offering more stable and durable performance. For safety, it includes multiple protections such as overcharge, over-discharge, short circuit, and overcurrent protection, so you can use it with confidence.

We also offer extensive customization options — from wire material, diameter, and length, to connector types and protection circuit boards (PCBs). Whatever your product’s battery requirements, we can tailor the battery pack to fit perfectly.

Service & Quality Assurance

With rich experience in lithium battery design and production, Apsen Technology ensures fast delivery, low self-discharge rates, and lightweight yet safe batteries. Every battery undergoes rigorous testing before shipping to guarantee capacity, voltage, internal resistance, and charge/discharge performance meet high standards.

We provide worldwide shipping, typically delivering in 4 to 7 days via DHL or UPS, helping you receive your orders quickly and reliably.

Customization Options

We offer flexible OEM and ODM services:

• Capacity and voltage customization ranging from 1500mAh to 3000mAh or higher
• Custom wire lengths and connector types for seamless device integration
• Branding and packaging customization to meet wholesale order needs

Interested in bulk purchasing or custom lithium polymer battery packs? Feel free to contact us anytime for samples or tailor-made solutions. You can also reach us directly via email at sales@anpsglobal.com for more details.