Engineered to redefine modern furniture automation, our high-density 602035 3.7V 400mAh lithium ion battery for Smart Sofa systems provides a flawless energy core for integrated USB charging hubs, power massage motors, and intelligent occupancy sensors. To ensure uniform field safety, every single cell undergoes strict screening to guarantee a maximum internal resistance (IR) of ≤60mΩ. Housed within a precise maximum dimensional footprint of 6.1 × 20.1 × 35.5mm, this flat prismatic cell utilizes a specialized electrolyte formulation that actively suppresses localized heat generation during continuous 1C discharge cycles, maintaining a highly stable 3.7V to 4.2V voltage discharge curve for next-generation smart home systems.
Holding world-class regulatory clearances including UL1642, CB, IEC62133, ROHS, and UN38.3, this certified 602035 400mAh lithium ion battery is manufactured using premium Ternary materials and high-purity LiCoO2 chemistry. Backed by over four years of proven technical expertise in specialized home furniture engineering projects, we welcome fully bespoke OEM/ODM developments — offering custom private labeling, specialized tab welding, and client-pointed connector assemblies to match your exact hardware layouts. Supported by a 12-month warranty, our production lines in Hunan and Guangdong effortlessly scale from single-piece prototyping samples to high-volume seasonal bulk distributions, delivering reliable, consistent power at highly competitive direct-to-factory prices.
Nominal Voltage: 3.7V
Delivery Voltage: 3.85V ~ 4.05V
Nominal Capacity: 400mAh
Measurement: 6.1 × 20.1 × 35.5mm
| Item | Specification |
| Model | 602035 |
| Material | Li-ion Polymer Battery |
| Normal Capacity (0.2C) | 400mAh |
| Minimum Capacity (0.2C) | 400mAh |
| Energy | 1.48Wh |
| Normal Voltage | 3.7V |
| Delivery Voltage | 3.85V ~ 4.05V |
| Standard Charge Method | Charge at maximum current. When the battery or pack terminal voltage reaches the charging limit voltage, charge at constant voltage until the charging current is less than or equal to 0.02 C, then stop charging. |
| Discharge Program | The battery or the battery pack carries on the constant current discharge with the maximum discharge current to the discharge termination voltage. |
| Max Charging Current | 1C CC/CV → 0.02C cutoff |
| Max Discharging Current | 1C CC/CV → 3.0V cutoff |
| Over-Discharging Current | 2.3V |
| Operation Temperature Range |
Charging: 0°C ~ 50°C Discharging: -20°C ~ 60°C |
| Allowable Maximum Surface Temperature |
Charging: Tmax ≤ 50°C Discharging: Tmax ≤ 60°C |
| Storage T/H Range (time) |
-20°C ~ 60°C (Less than 1 month) -20°C ~ 45°C (Less than 3 months) -20°C ~ 25°C (Less than 1 year) |
| Cycle Life |
≥ 300 times (Thickness expansion rate ≤ 10%) ≥ 500 times (Thickness expansion rate ≤ 12%) |
The high-performance 602035 3.7V 400mAh lithium ion battery for Smart Sofa systems stands out as a robust energy solution defined by its exceptional maintenance-free operation and high depth-of-discharge (DoD) tolerance, which allows the cell to sustain repeated deep drainage cycles without unexpected capacity fade. Engineered with an ultra-thin profile that fits seamlessly into low-clearance furniture cavities, this specialized lithium-ion cell features superior overcharge tolerant engineering that actively prevents thermal runaways during continuous power connection to domestic outlets. Furthermore, utilizing premium moisture resistant hermetic sealing technology, this battery pack operates flawlessly and safely against high-humidity conditions or accidental spills underneath smart recliners, ensuring ultimate operational longevity and complete reliability for modern smart home environments.
The high-performance 602035 3.7V 400mAh lithium ion battery for Smart Sofa systems functions as an incredibly adaptable, multi-industry power cell. While engineered to meet the structural and safe-energy demands of the smart furniture sector, this premium lithium-ion polymer battery features a linear discharge profile and ultra-thin architecture that makes it a trusted internal power source across multiple rapidly expanding global industries:
Intelligent Furniture & Smart Home Automation: Powers embedded electronic systems within smart sofas, luxury recliners, and smart beds, including integrated USB charging hubs, power massage motors, automated footrests, and intelligent occupancy sensors.
Premium Personal Care & Medi-Beauty Tech: Delivers high-density, fade-free voltage to advanced LED light therapy masks, smart electric toothbrushes, oral irrigators, and electronic facial massagers requiring precise thermal regulation.
Next-Gen Wireless Audio & Hearables: Supplies long-lasting, lightweight energy storage for high-end True Wireless Stereo (TWS) earbuds, active noise-canceling neckband earphones, and ergonomic Bluetooth telecommunication headsets.
On-the-Go Logistics & Smart Consumer Gadgets: Ensures continuous connectivity, reliable location broadcasting, and extended standby runtimes for portable GPS navigators, compact asset trackers, and premium 3C digital devices.
Founded in 2016, Hunan Yideng New Energy Co., Ltd. has spent a decade scaling from an ambitious innovator into a global powerhouse in the renewable energy sector. Our journey is defined by strategic growth: expanding from a daily output of 400,000 cells in 2019 to dual manufacturing parks across Hunan and Guangdong in 2020, and establishing a worldwide service network spanning Shenzhen, Hong Kong, the US, Germany, and India. This proven trajectory guarantees our global B2B clients that they are partnering with a financially stable, long-term industry leader.
A1: Full balance needs to be settled before goods shipment.
A2: We offer invoice, packing list and all customs clearance files.
A3: We compensate damaged batteries caused by improper packaging during transit.
A4: We maintain long-term cooperation with buyers from US, Japan and India.
Address
Xin'an Village industrial Park, Yonglejiang Town, AnrenCounty, Chenzhou City, Hunan Province, China
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