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qtt***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$34.95
6 days ago
byy***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$25.63
46 days ago
xcn***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$30.29
26 days ago
czs***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$32.62
43 days ago
ocj***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$9.32
23 days ago
dtl***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$18.64
7 days ago
bvc***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$41.94
21 days ago
vnh***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$23.30
31 days ago
ubl***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$41.94
40 days ago
xol***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$20.97
48 days ago
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Customer Reviews

OEM ODM customized battery 400mah 602040 3.7v rechargeable lithium ion battery
$1.58$2.33-32.19%
Nominal Voltage:
3.7V
Nominal Capacity:
400mAh
Battery Type:
Pouch (Polymer)
Quantity:
Add to Cart
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Features
Customized 400mAh 602040 3.7V Rechargeable Lithium-Ion Battery – OEM/ODM Support
High-energy-density lithium-ion cell ensures stable power output and long cycle life. Premium-grade materials with built-in PCM protection for overcharge, over-discharge, and short-circuit prevention. Ultra-thin 602040 form factor (6.0×20×40mm) fits compact devices—ideal for wearables, medical tools, IoT gadgets, and mini drones. Custom branding and specs available for bulk orders. Exclusive wholesale pricing for bulk buyers. Global shipping with strict QC compliance (RoHS/CE certified). Contact for tailored solutions.
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