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{"title":"76Ah 3.7V Large Format NCM Pouch EV Lithium Ion Power Battery Pack","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/8e\/8f684edb23296a309ff612607b17-200x200-1\/76ah_3_7v_large_format_ncm_pouch_ev_lithium_ion_power_battery_pack.jpg","attrs":{"Model Number":"76AH","Cycle life":"800 Times","Supply Ability":"In stock: 7 working days\/Out of stock: about 30 working days","Brand Name":"VATS Battery"}}
{"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"}}
{"title":"3.7V NCM Pouch Power Battery Pack 46Ah EV Lithium Ion Pouch Cell For E-Bike","imgUrl":"https:\/\/img.chinax.com\/nimg\/86\/df\/e32d370f24dd06f1a8951172567e-200x200-1\/3_7v_ncm_pouch_power_battery_pack_46ah_ev_lithium_ion_pouch_cell_for_e_bike.jpg","attrs":{"Supply Ability":"Ships in 7 Business Days (In-Stock) \/ 30 Business Days (Out-of-Stock)","Brand Name":"Vats Battery","Dimensions":"10\u00b10.2mm * 161\u00b10.5mm * 227\u00b10.5mm","Place of Origin":"China"}}
{"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"}}
{"title":"3.7V 700mAh Li Polymer Battery 603040 Rechargeable Lithium Ion Cell For GPS","imgUrl":"https:\/\/img.chinax.com\/nimg\/c3\/ad\/1f95d62772bb3c7afad6eb3830bd-200x200-1\/3_7v_700mah_li_polymer_battery_603040_rechargeable_lithium_ion_cell_for_gps_tracker.jpg","attrs":{"Cycle Life":"500 cycles","Model Number":"603040","Payment Terms":"T\/T","Supply Ability":"Ships in 7 Business Days (In-Stock) \/ 30 Business Days (Out-of-Stock)"}}
551245 3.7V 250mAh Li Polymer Battery For Bluetooth Speaker & Wearable Devices
This reliable li polymer battery delivers steady 3.7V power for compact electronics. The 250mAh HZ551245 lithium ion battery cell works well for small portable gadgets like Bluetooth speakers. It supports sample testing and custom modifications to match your device needs.
Technical Specifications
Item
Details
Model
HZ551245
Cell Type
Lithium polymer battery
Dimension
5.5±0.2*12±0.5*45±2.5 mm (Thick*Width*Length)
Nominal Capacity
250mAh, custom size/capacity/voltage available
Nominal Voltage
3.7V
Max Cutoff Voltage
4.2V
Standard Discharge Current
0.2C–0.5C
Max Continuous Discharge Current
1C
Connector
JST / Molex, customizable
Cycle Life
500 charge cycles
Packaging
Industrial carton for air & sea shipment
Key Features
Stable 3.7V Output for Compact Electronics - Consistent voltage avoids sudden power drops, protecting your small devices from unexpected shutdown during daily use.
500-Cycle Long Service Life - Durable cell construction maintains usable capacity over repeated charges, lowering your long-term replacement cost.
Flexible Custom Connector & Dimensions - Adjustable wiring and sizes let this 3.7v wearable device battery fit unique product designs without heavy rework.
Shorter Lead Time for Stock Items - Stock units ship in 3–7 days, while custom orders finish in 2–3 weeks, helping you keep inventory on schedule.
Safe International Shipment Packaging - Cartons meet air and ocean transport standards, reducing risks during cross-border delivery for your bulk orders.
Applications
This li polymer battery fits many compact consumer electronics. It powers Bluetooth speakers, car dash cameras, GPS navigators and smart home accessories. It also works for massagers, digital cameras, sprayers, dental rinsers, smart bracelets, blackhead cleaners and remote controls. Suitable for daily commute, home use and lightweight portable gear projects.
Frequently Asked Questions
Can I order samples of this 3.7v wearable device battery?
Yes, sample testing is supported for evaluation before bulk purchase.
What is the typical cycle lifespan of this lithium ion battery cell?
It reaches up to 500 standard charge and discharge cycles under proper use.
Can I change the connector type on this li polymer battery?
Sure. JST or Molex connectors are optional, and we accept custom connector requests.
How long will production take for a custom batch?
Custom orders take 2–3 weeks. Ready stock items ship within 3–7 days.
Can I adjust the capacity or size for my device?
Yes, we offer custom size, capacity and voltage options to match your hardware.
What is the maximum discharge current rating?
The maximum continuous discharge current for this cell is 1C.
Is this battery approved for air shipping?
It uses standard industrial cartons compliant with international air and sea transport rules.
After-sales Guarantee
We are the direct manufacturer of this li polymer battery. All cells follow controlled production standards. We provide responsive technical support to resolve compatibility and installation questions. Please inspect goods upon receipt and reach out for support if you have any quality concerns. We follow standard return procedures for qualified issues.