Recent Purchase
flo***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$43.2
9 days ago
sif***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$86.4
34 days ago
imi***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$57.6
34 days ago
iej***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$136.8
37 days ago
nvn***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$108.0
46 days ago
auo***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$28.8
19 days ago
lyu***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$100.8
42 days ago
hvm***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$129.6
9 days ago
vuy***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$136.8
42 days ago
vlf***
Nominal Voltage:3.7V;Nominal Capacity:400mAh;Battery Type:Pouch (Polymer);
$115.2
30 days ago
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Customer Reviews
Average Rating
5.0
5.0
3 global ratings
5 star
100%
4 star
0%
3 star
0%
2 star
0%
1 star
0%
All Reviews
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Recommend
Recent
1***m
Helpful (4)
Great fit, and it arrived sooner then expected
Jan.07.2025
Helpful (4)
Jan.07.2025
1***m
Helpful (3)
I really love all OKWISHING products but unfortunately i had little bad experience, one of the item was missing but i hope they will fix that is first time this happened. Other than that i will keep buying what i need.
Jan.22.2025
Helpful (3)
Jan.22.2025
1***m
Helpful (3)
excellent , came way early aswell
Mar.11.2025
Helpful (3)
Mar.11.2025
- 1
high quality 3.7V 503030 400mAh lithium ion polymer battery
$4$7.2-44.44%
Nominal Voltage:
3.7V
Nominal Capacity:
400mAh
Battery Type:
Pouch (Polymer)
Quantity:
Add to Cart
Wishlist
Features
High Quality 3.7V 503030 400mAh Lithium Ion Polymer Battery
Ultra-compact 503030 size (5.0mm thick, 30mm wide, 30mm long) with lightweight polymer construction for seamless integration in space-sensitive devices. Precision-engineered 400mAh capacity delivers stable 3.7V output, ideal for wearable tech, Bluetooth headsets, mini drones, and medical gadgets. Features advanced lithium-polymer tech with built-in overcharge/overdischarge protection for enhanced safety and longevity. Flexible ultra-thin casing resists swelling, ensuring reliability in extreme temperatures (-20°C to 60°C). Direct factory pricing with bulk discounts—strictly no middleman markup. Global shipping, OEM support available. Perfect for electronics manufacturers, DIY hobbyists, and replacement battery projects.
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Description
Shipping & Delivery
