CE IEC62133-2017 UN38.3 MSDS Certified LP403040 3.7V 420mAh LiPo Battery
Buy CE, IEC62133 & UN38.3 certified LP403040 3.7V 420mAh 1.554Wh LiPo Battery from LiPol Battery Manufacturer. Fast delivery & sample MOQ of 5 pcs!
Are you looking for a dependable, ultra-thin power solution backed by global safety certifications for your next electronic hardware design? LiPol Battery Co., Ltd. is a premier LiPol Battery Manufacturer with over 30 years of global export experience. Supported by an experienced in-house R&D and dedicated international sales team, we produce high-performance LiPo Batteries and Li-ion Batteries in various custom geometric form factors—including rectangular lipo batteries, round lipo batteries, smart ring lipo batteries, and cylindrical lipo batteries, alongside multi-cell LiPo Battery Packs.
Our featured model, the LP403040, is a high-reliability 3.7V LiPo Battery delivering a 420mAh LiPo Battery capacity and 1.554Wh LiPo Battery energy density. Engineered as a ultra-thin power source, this Certified Lithium Polymer Battery comes fully tested and certified under CE, IEC62133-2017, UN38.3, and MSDS standards.
With Global Certification & Transportation Compliance, to streamline international customs clearance and reduce safety verification steps for hardware engineers, our Certified LiPo Battery models are pre-tested to satisfy rigorous safety criteria:
CE & IEC62133-2017 Standard: Ensures electrical safety, mechanical robustness, and thermal stability for consumer and medical applications.
UN38.3 & MSDS Compliance: Verifies compliance for air, sea, and courier transportation, ensuring safe global shipment to any destination.
With Custom LiPo Battery Engineering & OEM/ODM Solutions, when off-the-shelf sizes do not meet your enclosure constraints, LiPol Battery Co., Ltd. offers end-to-end custom battery manufacturing services.
Complete Hardware Customization: Not Only PCM, but also connectors and wires required for batteries can all be customized. We supply pre-assembled micro connectors (JST, Molex, Hirose, or custom headers), custom wire gauges, and thermistors (NTC) integrated directly to match your PCB layout.
OEM Custom Order Terms:
Minimum Order Quantity (MOQ): 5,000 units for custom cell builds.
Delivery Lead Time: Typically within 35 business days.
Custom Shapes: Rectangular, round, smart ring, or cylindrical formats.
Visit LiPol Battery Manufacturer to access technical datasheets, download testing documentation, or request a custom Lithium Polymer Battery quotation!
📩 Contact LiPol battery experts today! 🌐 Visit LiPol website batteries
CE IEC62133-2017 UN38.3 MSDS Certified LP403040 3.7V 420mAh LiPo Battery Feature
| Nominal Voltage | 3.7V |
| Model | LP403040, 403040 |
| Energy | 1.554Wh |
| Capacity | 420mAh |
| Max Operating Voltage Range | 2.75V to 4.2V |
| Charge Current | 0.2C – 0.5C/ 84mA – 210mA |
| Discharge Current | 0.5C – 1C/ 210mA – 420mA |
| Discharge Cut Off | 2.75V |
| Discharge | 210mA – 420mA |
| Expected Cycle Life | 500 cycles ≥ 80% |
| Size with PCM | 4.0mm Thickness LiPo Battery, 30mm Width LiPo Battery, 41mm Length LiPo Battery |
| Original Cell Size | 4.0mm* 30mm* 41mm |
| Weight | 9g ±0.1g |
| Certifications | MSDS, ISO9001, UN38.3, IEC62133-2017, |
| Cycle Life | ≥500 cycles |
| Manufacturer | LiPol Battery Co., Ltd |
| Keywords | CE, IEC62133-2017, UN38.3, MSDS, Certified LiPo Battery, LP403040, 3.7V LiPo Battery, 420mAh LiPo Battery, 1.554Wh LiPo Battery, 4.0mm Thickness LiPo Battery, 30mm Width LiPo Battery, 41mm Length LiPo Battery, |
420mAh LiPo Batteries Application
LiPo Batteries 500mAh – 600mAh Application: While the ultra-slim LP403040 (420mAh, 4.0mm thickness) serves low-profile, space-constrained applications, our slightly higher capacity Lithium Polymer Batteries in the 500mAh to 600mAh range power larger handheld tools and extended-runtime IoT setups.
Popular applications across these compact capacity tiers include:
Wearable Health Monitors: Continuous heart-rate trackers, blood oxygen monitors, and clinical diagnostic patches.
Smart Consumer Electronics: Micro Bluetooth earbuds, smart rings, wireless stylus pens, and biometric security badges.
Industrial IoT & Telemetry: Portable GPS tracking units, wireless environmental sensors, and remote data loggers.
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Hot Selling 420mAh LiPo Batteries
Hot Selling LiPo Batteries 500mAh – 600mAh: As an industry-leading LiPol Battery Manufacturer, we design and supply a broad catalog of hot-selling Lithium Polymer Batteries within the 500mAh to 600mAh capacity range:
LP592531 3.7V 480mAh – Thin 5.9mm profile engineered for wide handheld device housings.
LP503030 3.7V 450mAh – High-density prismatic cell optimized for compact square enclosures.
402339 3.8V 450mAh – High Voltage 3.8V, Compact 1.71Wh cell providing excellent volumetric energy density.
LP602040 3.7V 450mAh – Max-capacity single-cell option providing long runtime in modern portable hardware.
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Instock 420mAh LiPo Batteries
Instock LiPo Batteries 500mAh – 600mAh: To assist engineering teams with rapid prototyping and shorten market launch cycles, LiPol Battery Co., Ltd. maintains a large stock inventory of ready-to-ship LiPolymer Battery cells.
Ordering Benefits for In-Stock Popular Models:
Low Sample MOQ: Purchase sample units starting at a Minimum Order Quantity of just 5 pieces.
Rapid Dispatch: In-stock popular models typically ship within 15 business days.
Pre-Assembled Protection: Off-the-shelf cells come pre-fitted with integrated Protection Circuit Modules (PCM) and standard lead wires for immediate evaluation.
Rechargeable 3.7V LiPo Batteries 400mAh
Rechargeable 3.7V LiPo Batteries 400mAh, Leading Lithium Polymer Batteries Manufacturer, 30 Years Battery Expert, Competitive Price with High Quality, Accept small sample order & custom dimensions.| Model | Capacity(mAh) | Length(mm) | Width(mm) | Thickness(mm) | Voltage(V) |
|---|---|---|---|---|---|
| LP102323 | 400mAh | 23 | 23 | 10.0 | 3.7V |
| LP253741 | 400mAh | 41 | 37 | 2.5 | 3.7V |
| LP303048 | 400mAh | 48 | 30 | 3.0 | 3.7V |
| LP303540 | 400mAh | 40 | 35 | 3.0 | 3.7V |
| LP303840 | 400mAh | 40 | 38 | 3.0 | 3.7V |
| LP323442 | 400mAh | 42 | 34 | 3.2 | 3.7V |
| LP352070 | 400mAh | 70 | 20 | 3.5 | 3.7V |
| LP352745 | 400mAh | 45 | 27 | 3.5 | 3.7V |
| LP403035 | 400mAh | 35 | 30 | 4.0 | 3.7V |
| LP452248 | 400mAh | 48 | 22 | 4.5 | 3.7V |
| LP452538 | 400mAh | 38 | 25 | 4.5 | 3.7V |
| LP483030 | 400mAh | 30 | 30 | 4.8 | 3.7V |
| LP492929 | 400mAh | 29 | 29 | 4.9 | 3.7V |
| LP493030 | 400mAh | 30 | 30 | 4.9 | 3.7V |
| LP501943 | 400mAh | 43 | 19 | 5.0 | 3.7V |
| LP502438 | 400mAh | 38 | 24 | 5.0 | 3.7V |
| LP502535 | 400mAh | 35 | 25 | 5.0 | 3.7V |
| LP502730 | 400mAh | 30 | 27 | 5.0 | 3.7V |
| LP503030 | 400mAh | 30 | 30 | 5.0 | 3.7V |
| LP511845 | 400mAh | 45 | 18 | 5.1 | 3.7V |
| LP542338 | 400mAh | 38 | 23 | 5.4 | 3.7V |
| LP542535 | 400mAh | 35 | 25 | 5.4 | 3.7V |
| LP542630 | 400mAh | 30 | 26 | 5.4 | 3.7V |
| LP551460 | 400mAh | 60 | 14 | 5.5 | 3.7V |
| LP552040 | 400mAh | 40 | 20 | 5.5 | 3.7V |
| LP552138 | 400mAh | 38 | 21 | 5.5 | 3.7V |
| LP552530 | 400mAh | 30 | 25 | 5.5 | 3.7V |
| LP562334 | 400mAh | 34 | 23 | 5.6 | 3.7V |
| LP562438 | 400mAh | 38 | 24 | 5.6 | 3.7V |
| LP582528 | 400mAh | 28 | 25 | 5.8 | 3.7V |
| LP592629 | 400mAh | 29 | 26 | 5.9 | 3.7V |
| LP601263 | 400mAh | 63 | 12 | 6.0 | 3.7V |
| LP601351 | 400mAh | 51 | 13 | 6.0 | 3.7V |
| LP601646 | 400mAh | 46 | 16 | 6.0 | 3.7V |
| LP602035 | 400mAh | 35 | 20 | 6.0 | 3.7V |
| LP602428 | 400mAh | 28 | 24 | 6.0 | 3.7V |
| LP602528 | 400mAh | 28 | 25 | 6.0 | 3.7V |
| LP602530 | 400mAh | 30 | 25 | 6.0 | 3.7V |
| LP622530 | 400mAh | 30 | 25 | 6.2 | 3.7V |
| LP632039 | 400mAh | 39 | 20 | 6.3 | 3.7V |
| LP701640 | 400mAh | 40 | 16 | 7.0 | 3.7V |
| LP752030 | 400mAh | 30 | 20 | 7.5 | 3.7V |
| LP772030 | 400mAh | 30 | 20 | 7.7 | 3.7V |
| LP782030 | 400mAh | 30 | 20 | 7.8 | 3.7V |
| LP801636 | 400mAh | 36 | 16 | 8.0 | 3.7V |
| LP802030 | 400mAh | 30 | 20 | 8.0 | 3.7V |
| LP852525 | 400mAh | 25 | 25 | 8.5 | 3.7V |
| LP902323 | 400mAh | 23 | 23 | 9.0 | 3.7V |
| LP932323 | 400mAh | 23 | 23 | 9.3 | 3.7V |
| LP452249 | 403mAh | 49 | 22 | 4.5 | 3.7V |
| LP622327 | 405mAh | 27 | 23 | 6.2 | 3.7V |
| LP492726 | 415mAh | 26 | 27 | 4.9 | 3.7V |
| LP101532 | 420mAh | 32 | 15 | 10.0 | 3.7V |
| LP253747 | 420mAh | 47 | 37 | 2.5 | 3.7V |
| LP352065 | 420mAh | 65 | 20 | 3.5 | 3.7V |
| LP353338 | 420mAh | 38 | 33 | 3.5 | 3.7V |
| LP401574 | 420mAh | 74 | 15 | 4.0 | 3.7V |
| LP401862 | 420mAh | 62 | 18 | 4.0 | 3.7V |
| LP403040 | 420mAh | 40 | 30 | 4.0 | 3.7V |
| LP403232 | 420mAh | 32 | 32 | 4.0 | 3.7V |
| LP482536 | 420mAh | 36 | 25 | 4.8 | 3.7V |
| LP542627 | 420mAh | 27 | 26 | 5.4 | 3.7V |
| LP552330 | 420mAh | 30 | 23 | 5.5 | 3.7V |
| LP562039 | 420mAh | 39 | 20 | 5.6 | 3.7V |
| LP601550 | 420mAh | 50 | 15 | 6.0 | 3.7V |
| LP601842 | 420mAh | 42 | 18 | 6.0 | 3.7V |
| LP602136 | 420mAh | 36 | 21 | 6.0 | 3.7V |
| LP602828 | 420mAh | 28 | 28 | 6.0 | 3.7V |
| LP701640 | 420mAh | 40 | 16 | 7.0 | 3.7V |
| LP702626 | 420mAh | 26 | 26 | 7.0 | 3.7V |
| LP752327 | 420mAh | 27 | 23 | 7.5 | 3.7V |
| LP802030 | 420mAh | 30 | 20 | 8.0 | 3.7V |
| LP802035 | 420mAh | 35 | 20 | 8.0 | 3.7V |
| LP802050 | 420mAh | 50 | 20 | 8.0 | 3.7V |
| LP961924 | 420mAh | 24 | 19 | 9.6 | 3.7V |
| LP403040 | 430mAh | 40 | 30 | 4.0 | 3.7V |
| LP503030 | 430mAh | 30 | 30 | 5.0 | 3.7V |
| LP532336 | 430mAh | 36 | 23 | 5.3 | 3.7V |
| LP582235 | 430mAh | 35 | 22 | 5.8 | 3.7V |
| LP592530 | 430mAh | 30 | 25 | 5.9 | 3.7V |
| LP601843 | 430mAh | 43 | 18 | 6.0 | 3.7V |
| LP652035 | 430mAh | 35 | 20 | 6.5 | 3.7V |
| LP602625 | 435mAh | 25 | 26 | 6.0 | 3.7V |
| LP111927 | 450mAh | 27 | 19 | 11.0 | 3.7V |
| LP352073 | 450mAh | 73 | 20 | 3.5 | 3.7V |
| LP352850 | 450mAh | 50 | 28 | 3.5 | 3.7V |
| LP382746 | 450mAh | 46 | 27 | 3.8 | 3.7V |
| LP382844 | 450mAh | 44 | 28 | 3.8 | 3.7V |
| LP392255 | 450mAh | 55 | 22 | 3.9 | 3.7V |
| LP423040 | 450mAh | 40 | 30 | 4.2 | 3.7V |
| LP492540 | 450mAh | 40 | 25 | 4.9 | 3.7V |
| LP502837 | 450mAh | 37 | 28 | 5.0 | 3.7V |
| LP552045 | 450mAh | 45 | 20 | 5.5 | 3.7V |
| LP552535 | 450mAh | 35 | 25 | 5.5 | 3.7V |
| LP562347 | 450mAh | 47 | 23 | 5.6 | 3.7V |
| LP562535 | 450mAh | 35 | 25 | 5.6 | 3.7V |
| LP602040 | 450mAh | 40 | 20 | 6.0 | 3.7V |
| LP602040 | 450mAh | 40 | 20 | 6.0 | 3.7V |
| LP602045 | 450mAh | 45 | 20 | 6.0 | 3.7V |
| LP602530 | 450mAh | 30 | 25 | 6.0 | 3.7V |
| LP602533 | 450mAh | 33 | 25 | 6.0 | 3.7V |
| LP631745 | 450mAh | 45 | 17 | 6.3 | 3.7V |
| LP632730 | 450mAh | 30 | 27 | 6.3 | 3.7V |
| LP642235 | 450mAh | 35 | 22 | 6.4 | 3.7V |
| LP652530 | 450mAh | 30 | 25 | 6.5 | 3.7V |
| LP652530 | 450mAh | 30 | 25 | 6.5 | 3.7V |
| LP702035 | 450mAh | 35 | 20 | 7.0 | 3.7V |
| LP722530 | 450mAh | 30 | 25 | 7.2 | 3.7V |
| LP722728 | 450mAh | 28 | 27 | 7.2 | 3.7V |
| LP732035 | 450mAh | 35 | 20 | 7.3 | 3.7V |
| LP751738 | 450mAh | 38 | 17 | 7.5 | 3.7V |
| LP752530 | 450mAh | 30 | 25 | 7.5 | 3.7V |
| LP762526 | 450mAh | 26 | 25 | 7.6 | 3.7V |
| LP852526 | 450mAh | 26 | 25 | 8.5 | 3.7V |
| LP302575 | 460mAh | 75 | 25 | 3.0 | 3.7V |
| LP313450 | 460mAh | 50 | 34 | 3.1 | 3.7V |
| LP503528 | 460mAh | 28 | 35 | 5.0 | 3.7V |
| LP552240 | 460mAh | 40 | 22 | 5.5 | 3.7V |
| LP592629 | 460mAh | 29 | 26 | 5.9 | 3.7V |
| LP603030 | 460mAh | 30 | 30 | 6.0 | 3.7V |
| LP701740 | 460mAh | 40 | 17 | 7.0 | 3.7V |
| LP702035 | 460mAh | 35 | 20 | 7.0 | 3.7V |
| LP552540 | 470mAh | 40 | 25 | 5.5 | 3.7V |
| LP582235 | 470mAh | 35 | 22 | 5.8 | 3.7V |
| LP582534 | 470mAh | 34 | 25 | 5.8 | 3.7V |
| LP681646 | 470mAh | 46 | 16 | 6.8 | 3.7V |
| LP772229 | 470mAh | 29 | 22 | 7.7 | 3.7V |
| LP472740 | 475mAh | 40 | 27 | 4.7 | 3.7V |
| LP131330 | 480mAh | 30 | 13 | 13.0 | 3.7V |
| LP303450 | 480mAh | 50 | 34 | 3.0 | 3.7V |
| LP304040 | 480mAh | 40 | 40 | 3.0 | 3.7V |
| LP353045 | 480mAh | 45 | 30 | 3.5 | 3.7V |
| LP373045 | 480mAh | 45 | 30 | 3.7 | 3.7V |
| LP402550 | 480mAh | 50 | 25 | 4.0 | 3.7V |
| LP403442 | 480mAh | 42 | 34 | 4.0 | 3.7V |
| LP423038 | 480mAh | 38 | 30 | 4.2 | 3.7V |
| LP433040 | 480mAh | 40 | 30 | 4.3 | 3.7V |
| LP442538 | 480mAh | 38 | 25 | 4.4 | 3.7V |
| LP443040 | 480mAh | 40 | 30 | 4.4 | 3.7V |
| LP452540 | 480mAh | 40 | 25 | 4.5 | 3.7V |
| LP502835 | 480mAh | 35 | 28 | 5.0 | 3.7V |
| LP652631 | 480mAh | 31 | 26 | 6.5 | 3.7V |
| LP702035 | 480mAh | 35 | 20 | 7.0 | 3.7V |
| LP702035 | 480mAh | 35 | 20 | 7.0 | 3.7V |
| LP802528 | 480mAh | 28 | 25 | 8.0 | 3.7V |
| LP852525 | 480mAh | 25 | 25 | 8.5 | 3.7V |
| LP902030 | 480mAh | 30 | 20 | 9.0 | 3.7V |
| LP902030 | 480mAh | 30 | 20 | 9.0 | 3.7V |
| LP502832 | 490mAh | 32 | 28 | 5.0 | 3.7V |
| LP652334 | 490mAh | 34 | 23 | 6.5 | 3.7V |
| LP662631 | 490mAh | 31 | 26 | 6.6 | 3.7V |
| LP902030 | 490mAh | 30 | 20 | 9.0 | 3.7V |
| LP632036 | 420mAh | 36 | 20 | 6.3 | 3.7V |
| LP601745 | 400mAh | 45 | 17 | 6.0 | 3.7V |
| LP453031 | 400mAh | 31 | 30 | 4.5 | 3.7V |
| LP502040 | 400mAh | 41 | 20 | 5.0 | 3.7V |
| LP822128 | 400mAh | 29 | 21 | 8.2 | 3.7V |
| LP423038 | 400mAh | 39 | 30 | 4.2 | 3.7V |
| LP861631 | 400mAh | 32 | 16 | 8.6 | 3.7V |
| LP342448 | 405mAh | 49 | 24 | 3.4 | 3.7V |
| LP791535 | 410mAh | 36 | 15 | 7.9 | 3.7V |
| LP452627 | 425mAh | 28 | 26 | 4.5 | 3.7V |
| LP582336 | 440mAh | 37 | 23 | 5.8 | 3.7V |
| LP402340 | 450mAh | 41 | 23 | 4 | 3.7V |
| LP582535 | 470mAh | 36 | 25 | 5.8 | 3.7V |
| LP902230 | 480mAh | 31 | 22 | 9 | 3.7V |
| LP573129 | 480mAh | 30 | 31 | 5.7 | 3.7V |
| LP602532 | 480mAh | 33 | 25 | 6 | 3.7V |
| LPHV801437 | 404mAh | 38 | 14 | 8 | 3.85V |
| LPHV422727 | 407mAh | 28 | 27 | 4.2 | 3.85V |
| LPHV801535 | 410mAh | 36 | 15 | 8 | 3.85V |
| LPHV752039 | 460mAh | 40 | 20 | 7.5 | 3.85V |
| LPHV751536 | 460mAh | 37 | 15 | 7.5 | 3.85V |
| LPHV431947 | 460mAh | 48 | 19 | 4.3 | 3.85V |
| LPHV391558 | 480mAh | 59 | 15 | 3.9 | 3.85V |
| LPHV442627 | 425mAh | 28 | 26 | 4.4 | 3.8V |
| LPHV602726 | 430mAh | 27 | 27 | 6 | 3.8V |
| LPHV442538 | 445mAh | 39 | 25 | 4.4 | 3.8V |







