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{"title":"53Ah NCM Pouch Cell 3.7V EV Pouch Lithium Ion Power Battery Pack For Energy","imgUrl":"https:\/\/img.chinax.com\/nimg\/30\/6c\/0b3ee9817139e5abac8c6aa85e22-200x200-1\/53ah_ncm_pouch_cell_3_7v_ev_pouch_lithium_ion_power_battery_pack_for_energy_storage_ev.jpg","attrs":{"Supply Ability":"In stock: 7 working days\/Out of stock: about 30 working days","Model Number":"53AH","Dimensions":"10x161x231mm","Minimum Order Quantity":"10"}}
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{"title":"20Ah 3.7V 10C High Discharge Lithium Polymer Battery For Medical Outdoor Devices","imgUrl":"https:\/\/img.chinax.com\/nimg\/60\/6a\/15ed965209db6166bd1d96405267-200x200-1\/20ah_3_7v_10c_high_discharge_lithium_polymer_battery_for_medical_outdoor_devices.jpg","attrs":{"Supply Ability":"In stock: 7 working days\/Out of stock: about 30 working days","Model Number":"20AH","Operating temperature":"20\u00b0C-60\u00b0C","Minimum Order Quantity":"10"}}
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303030 250mAh 3.7V Lipo Polymer Rechargeable Lithium Battery For Wearable & Small Electronics
303030 250mAh 3.7V Lipo Polymer Rechargeable Lithium Battery for Wearable & Small Electronics
Specifications
Item
Details
Model
303030
Cell Type
Lithium polymer battery
Nominal Capacity
250mAh (Custom size/capacity/voltage available)
Nominal Voltage
3.7V
Max Cutoff Voltage
4.2V
Discharge Current
0.2C–0.5C (Std), Max 1C
Dimensions
3.0±0.2*30±0.5*30±2.5mm (Thick*Width*Length)
Cycle Life
500 charge cycles
Connector
JST / Molex, customizable
Certifications
UL, KC, IEC62133, CE, ROHS, UN38.3, MSDS
Packaging
Industrial carton, compliant with air & sea shipment standards
Product Overview
This 3.7V wearable device battery is a reliable lithium polymer battery built for compact consumer gadgets. It delivers steady 250mAh power, passes global safety certifications, and supports custom connectors to fit your small electronic projects perfectly.
Key Advantages
Stable & Safe Power Output: Built as a quality lithium ion battery cell, it holds consistent voltage during discharge and carries full global safety certifications to lower device risk for your end users.
Customizable Form & Connector: Adjustable size, capacity, voltage plus optional JST/Molex connectors. Match this 3.7V wearable device battery directly to your product design without extra modification work.
Long Service Cycle: Supports up to 500 charge cycles, extending the usable lifespan of your compact electronics and reducing replacement frequency for your customers.
Shorter Lead Time: Stock items ship in 3–7 days; custom orders finish within 2–3 weeks, helping you keep inventory schedules on track.
Sample Testing Supported: You can order samples for pre-production verification before bulk purchase to confirm performance matches your device requirements.
Applications
Fit this lithium polymer battery for a wide range of compact electronics: car recorders, GPS navigators, smart home gadgets, massagers, digital cameras, sprayers, dental rinsers, smart bracelets, blackhead cleaners, remote controls and other small wearable consumer devices for daily home use, travel and commuting.
Frequently Asked Questions
Is this 3.7V wearable device battery rechargeable?
Yes, this lithium polymer battery is rechargeable, with a 4.2V max charging cutoff voltage.
Can I get a custom lithium ion battery cell with different capacity?
Sure, we support custom size, voltage and capacity to match your device design.
What is the typical cycle lifespan?
The battery supports around 500 charge and discharge cycles under standard usage.
What connectors are available for this 250mAh lipo battery?
JST and Molex connectors are available; we can adjust terminals per your request.
Do you offer sample testing before bulk order?
Yes, sample testing is supported for performance validation.
What safety certificates does this lipo battery hold?
It comes with UL, KC, IEC62133, CE, ROHS, UN38.3 and MSDS for global shipping compliance.
How long is the production lead time?
In-stock goods ship within 3–7 days; custom orders take 2–3 weeks after confirmation.
After-sales Guarantee
All lithium polymer battery units follow strict factory inspection before shipment. We provide compliant packaging that meets international air and sea transport rules. Our professional support team assists with technical checks and order queries. Reach out promptly if you meet product quality issues within valid usage conditions for proper resolution.
