What happens if the battery is damaged during shipping?

Contact us first with pictures or videos. We will communicate to resend, replace, or refund the product cost if the battery is damaged or lost.

Are these batteries suitable for home energy storage systems?

Yes, they are suitable for 12V, 24V, 48V, 72V, 96V, and 108V systems, including backup power for homes, campers, RVs, and yachts.

3.7V 61ah Li-Polymer Pouch Cell Model E58, OEM Specification Replacement Battery for Smart Devices & Bluetooth Speakers Compatible with 29f 32b P37 E58 E66 E78

Name: 3.7V 61ah Li-Polymer Pouch Cell Model E58, OEM Specification Replacement Battery for Smart Devices & Bluetooth Speakers Compatible with 29f 32b P37 E58 E66 E78
Brand: Shenzhen Hengwangda New Energy Technology Co., Ltd.
SKU: 2143712752

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: 6000 times cycle life for long-term durability.

Customization Options: Supports full customization, minor customization, and customization from samples or designs.

Pre-shipment Testing: 100% visual and function inspection with voltage and resistance testing before shipment.

Fast Shipping: RTS orders prioritized with lead time within 15 workdays for peak and off-peak seasons.

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

Secure Packaging: 5-layer dangerous goods export carton with custom sponge and insulation tape.

Versatile Applications: Suitable for 12V to 108V solar energy storage systems, RVs, yachts, and backup power.

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: ≤10.65h

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:Do the batteries come with busbars and bolts?

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

Q:What is the return policy for DIY assembly issues?

Returns or refunds are not accepted for problems occurring after assembly, such as wrong wiring, protection board issues, or unbalanced assembly.

Q:How long do I have to test the cells after arrival?

You can test the cells within 15 days of arrival. After that, we consider the batteries to be in good condition and do not provide returns.

Q:What are the conditions for returning unused batteries?

Batteries must be unused with intact electrodes, no welding, no wear, and good appearance. Buyers are responsible for shipping fees for returns.

Q:How can I place an order for these products?

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 order.