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These are prototype batteries without protection boards. You must purchase a matching protection board separately before use.

3.7V E61 Li-ion Polymer Battery, New Pouch Cell for Tablet PC, Portable Medical Device, and Consumer Electronics 29f 32b P37 E58 E61 E66 E78

Name: 3.7V E61 Li-ion Polymer Battery, New Pouch Cell for Tablet PC, Portable Medical Device, and Consumer Electronics 29f 32b P37 E58 E61 E66 E78
Brand: Shenzhen Hengwangda New Energy Technology Co., Ltd.
SKU: 2133545342

Guangdong, ChinaShenzhen Hengwangda New Energy Technology Co., Ltd.

US$19.00

10-99 pieces

US$17.00

100-999 pieces

US$16.00

1,000-9,999 pieces

US$13.00

10,000+ pieces

Product specifications

Polymer Battery

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Type

LiFePO4 Battery

Cathode Material

LFP

Model NO.

LG E61

Rechargeable

Yes

Size

11.5*98*350mm

Model Number

3.7V 61ah

Capacity

61ah

Weight

850g

Electric Energy

225.7

Voltage

3.7(V)

Cycle Life

6000 Times

Cathode Materials

Ncm

Battery Size

Polymer Battery

Operating Temperature(℃)

0-22℃

Battery Type

Solid State

Apllication

Consumer Electronics, Power Tools, Boats

Transport Package

42*25*30cm

Specification

11.5*98*350mm

Trademark

Other

Origin

Guangdong, China

HS Code

8507600090

Production Capacity

500000 Pieces/Moon

Key features

High Cycle Life: Up to 6000 charge/discharge cycles for long-term durability.

Customization Options: Offers full customization, minor customization, and flexible options from samples or designs.

Pre-shipment Testing: Every cell undergoes voltage, resistance, and appearance checks before shipping.

Fast Shipping Priority: RTS orders receive priority in shipping with ready-to-ship status.

Comprehensive Packaging: Includes 5-layer dangerous goods cartons, sponge protection, and optional wooden packing.

Free Accessories: Each battery cell includes one busbar and two bolts or studs at no extra cost.

Strict Quality Control: 100% visual and functional inspection of finished products with traceable raw materials.

Versatile Applications: Suitable for solar energy storage, RVs, yachts, and various voltage systems (12V-108V).

Company profile

In-stock CapacityFast DeliveryProduct CertificationQuality Assurance

Shenzhen Hengwangda New Energy Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤15h

AI-Powered supplier vetting

SummaryThe supplier is a combined company focused on lithium battery sales, customized solutions, and technical support. It reports strong R&D capabilities, new products within the past year, ODM services, and broad customization options. Production evidence is limited to one production line, with no ongoing quantity reconciliation and no standardized outsourcing procedure. Service processes and corrective-action procedures exist but lack written records, while overseas support is limited: no agents, branches, warehouses, showrooms, or offline trade-show participation are reported. Quality assurance is stated, but certification, financial credibility, and customer-case evidence are not provided.

Supplier typeThe supplier is identified as a combined company rather than an offshore company. Its described business centers on lithium battery sales, customized solutions, and technical support, indicating a supplier combining commercial and operational functions.

R&D capabilityThe supplier reports an R&D team, new products within the past year, and ODM service availability. Its focus on customized lithium battery solutions and technical support further supports active product-development capability.

Production capacityThe supplier reports one production line and in-stock capability, but it has no valid manufacturing-capacity contract with associated subcontractors, no ongoing batch quantity reconciliation, and no standard outsourcing procedure. These documented controls indicate production-management weaknesses despite the stated production capacity.

Customization capabilityThe supplier explicitly supports customization from samples, minor and full customization, customization from designs, flexible customization, and ODM services. Its core business also includes customized lithium battery solutions, providing direct evidence of broad customization capability.

Product Q&A

Q:What is the return and refund policy?

Returns are only accepted if batteries are unused with intact electrodes, no welding, and good appearance. Buyers must pay shipping fees for returns. Refunds are not provided for assembly errors, wrong wiring, or damage caused by missing BMS.

Q:Do the batteries come with busbars and bolts?

Yes, each battery cell comes with one busbar and two bolts or studs for free. Contact us if you need more or special specifications.

Q:How can I place an order?

We accept Trade Assurance orders online. For RTS products, you can pay directly if shipping costs are clear, or provide shipping info for us to create an online order.

Q:What are the conditions for non-refundable situations?

No refunds are provided for assembly errors, unbalanced assembly, wrong wiring, charger failure, battery bulge, or damage caused by charging without a protection BMS.

Q:What should I do if the package is damaged or items are missing?

Contact us immediately with pictures or videos. If cargo is lost or batteries are damaged, we will communicate to resend, replace, or refund the product cost.