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403035 3.7V 400mAh Li Polymer Battery For Small Wearable & Consumer Devices
403035 3.7V 400mAh Li Polymer Battery for Small Wearable & Consumer Devices
Specifications
Item
Details
Model
403035
Cell Type
Lithium polymer battery
Nominal Voltage
3.7V
Nominal Capacity
400mAh
Max Cut-off Voltage
4.35V
Dimension
4±0.2*30±0.5*35±2.5 mm (Thickness*Width*Length)
Standard Discharge Current
0.2C-0.5C
Max Discharge Current
1C
Connector
JST / Molex, customizable
Cycle Life
Up to 500 charge-discharge cycles
Custom Service
Custom size, capacity and voltage available
Sample Test
Sample support available
Lead Time
2-3 weeks for bulk orders; 3-7 days for stock items
Product Brief
This durable li polymer battery delivers steady 3.7V power for compact electronics. It works as a reliable 3.7V wearable device battery to replace aged internal cells, keeping your small gadgets running stably. Our lithium ion battery cell fits many portable consumer products without complicated modification.
Why Choose Us
Reliable Cycle Performance: Up to 500 cycles keeps consistent capacity over long-term daily use. You get less frequent battery replacement and lower running cost for your devices.
Flexible Connector & Custom Options: Select JST or Molex connectors per your project. Custom size, voltage and capacity are supported. It saves extra modification work for your new product development.
Stable Safe Discharge Output: 0.2C-0.5C standard discharge with 1C peak output. This lithium ion battery cell supplies smooth power and reduces risk of unexpected shutdown for compact electronics.
Available Sample Testing: You may order samples to verify real-world performance before bulk purchase. Avoid mass order risk for your small-batch projects.
Reasonable Production Lead Time: Stock units ship within 3-7 days. Custom bulk orders finish within 2-3 weeks. Help you keep your inventory supply schedule on track.
Product Application
This practical li polymer battery fits a wide range of compact electronic gear for home use, daily commuting and outdoor activities.
Vehicle accessories: car recorders, GPS navigators
Personal care & health: massagers, dental rinsers, blackhead devices, electric shavers, electric toothbrushes
Wearable gadgets: smart bracelets, wearable trackers, it works well as a 3.7V wearable device battery
Smart home: smart home appliances, remote controls, fingerprint locks, smart bins, bluetooth speakers
Outdoor & camping: camping lights, handheld mini fans, sprayers
Other portable gear: digital cameras, electric inflator pumps, pet water fountains, training collars, electronic toys and more small smart consumer electronics.
FAQ
Q: Can this 3.7V wearable device battery replace my old internal battery directly?
A: Please match dimension, voltage and connector pinout before installation. This li polymer battery fits most devices with 403035 size requirement.
Q: What is the cycle life of this lithium ion battery cell?
A: It can reach 500 charge-discharge cycles under standard working condition. Actual service life depends on your discharge and charging habits.
Q: Do you support custom battery specifications?
A: Yes. Custom size, capacity, voltage and connector options are available for bulk orders.
Q: Can I get samples for performance testing?
A: Samples are supported. You may test compatibility with your device before placing large-volume orders.
Q: What is your order lead time?
A: In-stock items ship within 3-7 working days. Custom bulk production takes 2-3 weeks after order confirmation.
Q: What packaging do you use for shipment?
A: Industrial carton packaging meets international air and ocean shipping standards for battery safety transit.
Q: Is this battery compatible for DIY small electronic projects?
A: Yes, it suits most low-power compact DIY projects, please stay within 1C maximum discharge current limitation.
After-sales Guarantee
We are a professional lithium polymer battery manufacturer from China. All units follow standard production specifications. If quality defects happen under normal usage conditions, we offer proper after-sales support. Sample testing is encouraged to confirm fit for your target equipment before bulk procurement. Our responsive sales team offers technical support for specification confirmation and order follow-up. All goods use qualified carton packing compliant with international battery shipping rules for secure transit.
