How long is the delivery time after payment?

Products will be sent within 20-30 days after bank receipt. We provide tracking numbers and photos via email after shipping.

Can I place small orders or sample orders?

Yes, small orders and sample orders are welcomed if we have stocks. We also support drop shipping and offer competitive prices.

Deep Cycle 2V Voltage 300ah Free Maintenance Gel Solar Battery

Name: Deep Cycle 2V Voltage 300ah Free Maintenance Gel Solar Battery
Brand: Solid Power Industrial (Shenzhen) Co., Ltd.
SKU: 770341665

Guangdong, ChinaSolid Power Industrial (Shenzhen) Co., Ltd.

US$23.00-560.00

10 Pieces

Sample price:US$63.50/piece.Request sample

Product profile

Customization

Available

Type

Lead-Acid Batteries

Usage

UPS, Electric Power, Lighting, Electric Bicycle, Photovoltaic & Solar

Model NO.

UCG2-300

Nominal Voltage

Discharge Rate

Low Discharge Rate

Shape

Flat Battery

Electrolyte

Acid

Installation

Fixed

Rechargeable

Chargeable

Warranty

2.5 Years

Certificate

MSDS, ISO9001, ISO14001, Ce, UL, IEC

Design Service Life

12 Years

Transport Package

Carton+Pallet

Specification

ISO9001, ISO14001, CE, UL

Trademark

Sunstone Power or OEM

Origin

Yunnan, China

HS Code

85072000

Production Capacity

100000000 Piece/Pieces /Month

Key features

12-Year Design Life: UCG series designed for 12 years service life with enhanced plate thickness and alloy.

High Purity Lead: Uses 99.998% pure lead from own mine and smelter factory for superior performance.

Maintenance Free: Sealed VRLA/SLA design with gas recombination system, no liquid charge needed.

Deep Cycle Capability: High-tin alloy design ensures excellent deep cycle performance for solar applications.

Wide Temperature Range: Operates in any position with wide temperature range and flame retardant ABS case.

Multiple Certifications: Certified with MSDS, ISO9001, ISO14001, CE, UL, and IEC standards.

Flexible Shipping: Supports sea, air, and other shipping methods with tracking and photos provided.

2.5 Year Warranty: Comprehensive 2.5 years warranty coverage for peace of mind and quality assurance.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock CapacityFast Delivery

Solid Power Industrial (Shenzhen) Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2002-01-01Nearest Port: Shenzhen,GuangdongAverage Response Time: ≤3.34hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryThe supplier is a battery enterprise group established in 2003, with lead-acid and lithium battery factories in China and overseas entities in Germany and Indonesia. It reports sales to more than 100 countries, 90% export sales, self-operated import/export rights, overseas warehouse and branch/agent capabilities, and service offerings including installation, maintenance, repair, training, and debugging. Customization and ODM services are available, and new products were reportedly developed during the past year. However, quality-control documentation is weak: no written complaint or corrective-action procedures, no quality-control test equipment reported, and unknown assurance and traceability status. Financial information is inconsistent across the provided slices and therefore does not support a reliable credibility assessment. No specific customer cases or named customers are provided.

Supplier typeThe supplier is an established battery manufacturer with lead-acid and lithium battery factories in China, overseas entities in Germany and Indonesia, self-operated import/export rights, and a predominantly export-oriented business with 90% of sales from exports. This supports classification as an international battery manufacturer and exporter.

CertificationsThe supplier reports sustainable-development and product certification capability including CE and other certifications. The slice does not identify the specific products, certificate numbers, validity periods, or issuing bodies, so the scope of certification cannot be verified in detail.

After-Sales capabilityThe supplier reports overseas warehouse capability, overseas agents or branches, and service offerings covering debugging, maintenance, repair, training, and equipment installation, with Germany identified as an overseas service country. However, it also reports no written procedures or records for effective service assessment, complaints, or corrective and preventive actions, indicating operational documentation weaknesses.

R&D capabilityThe supplier reports R&D capability, new products during the past year, and ODM services. It does not have an available SDK and does not provide OEM services for popular brands; these facts do not negate its general product-development capability but limit evidence for software-enabled or major-brand OEM innovation.

Production capacityThe supplier reports two Chinese production factories—one for lead-acid batteries and one for lithium batteries—and states that it serves customers in more than 100 countries. It also reports inventory capability and a one-month average lead time in both peak and off-season, although no production-volume or equipment-capacity data is provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, flexible customization, and ODM services. These statements provide direct evidence of broad customization capability.

Product Q&A

Q:What is the design life of this battery?

The UCG series battery is designed for a 12-year service life, achieved through increased plate thickness and specialized alloy materials to resist acid corrosion.

Q:Is this battery maintenance-free?

Yes, it is a sealed maintenance-free VRLA/SLA battery. It uses a gas recombination system and does not require adding liquid charge or regular maintenance.

Q:What are the charging and discharging current requirements?

Charging current should be around 0.1C and not exceed 0.3C. Discharge current generally ranges from 0.05C to 3C. For a 100AH battery, 1C equals 100A.

Q:What certifications does the battery have?

The battery is certified with MSDS, ISO9001, ISO14001, CE, UL, and IEC standards, ensuring safety and quality compliance.

Q:What is the warranty period?

We provide a 2.5 years warranty for this battery, covering defects and ensuring product reliability.