(1): This custom lipo battery 3.7v 4000mAh cell AUK 115555 is brand new grade A cell;

(2): This link is our AUK custom lipo battery 4000mAh cell, size arounds 11.0mm*55mm*55mm;

(3): PCB/PCM protection circuit is used to protect battery cells, notes that add PCB/PCM protection, battery length will add about 2mm;

(4): We provide connector custom if you have specific connector requests;

(5): Classic custom lipo battery maximum charging and discharging current usually is 1C, if you need high discharging current or low/high temperature custom lipo battery, kindly contact us,

Working temperature: -10℃~50℃
Storage temperature: -10℃~45℃
Service life: more than 80% after 300 times, more than 62% after 500 times.
Product features: Polymer carp batteries have the following characteristics
1. Sizes, models, and capacities are available, with strong applicability, can be customized according to customer requirements, and can be combined according to different requirements. Good quality, beautiful price, quality assurance: using A-class batteries, high capacity, low internal resistance and stable A certain voltage.
2. Stable performance, long cycle life, no memory effect, can be charged and discharged at any time, high safety: built-in protection board with overcharge and over-discharge protection to ensure safe use of the battery.
3. High energy density, long storage time, wide operating temperature range, good sealing performance, and stable discharge voltage.
4. Does not contain harmful substances such as mercury, copper, lead, etc., and complies with ROHSSGS, CE, MSDS and other certifications.

Scope of application: beauty equipment, medical equipment, mobile power supplies, Bluetooth speakers, etc.

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