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SOLARPRO-GEL™ Series

Product catalog summary

Product Overview
The SOLARPRO-GEL™ Series by XUNZEL offers maintenance-free, deep-cycle GEL solar battery cells and blocks designed for renewable energy applications. These batteries are sealed, non-spillable, and ideal for medium to large off-grid and off-shore photovoltaic and wind applications, as well as UPS, telecom, marine, and other professional installations. They feature rugged durability, long service life, and excellent performance under extreme conditions. The batteries allow horizontal installation and have a low self-discharge rate with high efficiency.

Models and Specifications
The series includes various models with different capacities, ranging from 1-hour to 240-hour discharge rates. The batteries are available in 2V, 6V, and 12V blocks, with specifications detailing nominal voltage, capacity at different discharge rates, internal resistance, short circuit current, dimensions, and weight.

Design and Construction
The batteries feature positive tubular plates, microporous separators, and a GEL electrolyte fixed by fumed silica. They are designed for horizontal operation and are constructed with high-impact ABS or SAN materials. The batteries are equipped with safety features such as flame arrestors and are compliant with various safety standards.

Installation and Maintenance
SOLARPRO-GEL™ batteries are designed for indoor use, with specific installation requirements for safety and performance. They are maintenance-free but require periodic checks of voltage, temperature, and connections. Safety precautions include wearing protective gear and avoiding exposure to open flames or sparks.

Operational Data
The batteries have a recommended operating temperature range and a self-discharge rate of approximately 2% per month at 20°C. They are designed to handle partial or complete discharges and should be recharged to 100% as soon as possible. The batteries comply with IEC standards for cycles and discharge rates.

Transport and Standards
The batteries are subject to transport regulations and conform to various international standards, including IEC and UL ratings. Material Safety Data Sheets are available upon request.

Catalog excerpts

SOLARPRO-GEL™ Series SOLARPRO-GEL™ Series –XUNZEL XUNZEL Maintenance-Free and Deep-Cycle GEL Solar Battery Cells & Blocks for Renewable Energy Applications Product Overview • Totally Maintenance-Free Solar Battery Cells & Blocks. Do not need to be reﬁlled with water during the whole service life SOLARPRO-GEL™ Series - Battery Cells • Sealed & Safe. Non-spillable • Deep-cycle Valve-Regulated Lead-Acid (VRLA) GEL Battery Cells & Blocks • Ideal for Medium and Large Oﬀ-Grid and Oﬀ-Shore Photovoltaic and Wind applications, UPS and Back-up, telecom and CATV, traﬃc, agricultural, marine and caravan, cathodic protection, professional installations,… • Allows horizontal installation • Rugged durability and long service life • Outstanding performance, even under extreme conditions • Robust positive tubular-plates to ensure high cycle life SOLARPRO-GEL™ Series - Battery Blocks • Fully insulated battery design to ensure touch protection • Very good recharge behaviour • Excellent deep discharge capability • Low self-discharge rate and high eﬃciency • Easy access for measurements of e.g. voltage • Solve limited ﬂoor space and access problems on board boats and vehicles • Optional pole connectors available for diﬀerent conﬁgurations • Available

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SOLARPRO-GEL™ Series Models and Speciﬁcations Discharge Rate C Type Model Nominal Voltage 1.2) Internal resistance Ri, and short circuit current Isc, according to IEC 60896-21 Height (H) is the maximum height between container botton and top of the bolts in assembled condition. All values given in the table correspond to 100% DOD without voltage drop of connectors. Please consider the section “Operat

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SOLARPRO-GEL™ Series SOLARPRO-GEL™ Series Cells & Blocks Terminal Connections • Terminals: female poles with brass inlay M10 for ﬂexible insulated copper cables with cross-section 25, 35, 50, 70, 95 or 120mm² or insulated solid copper connectors with cross-section 90, 150 or 300mm² • Set up the cells/blocks with the correct polarity • Multipole cells/blocks: connect all poles by connectors with same diameter and length • Distance between cells/blocks: 10mm • Cells/Blocks connected in parallel: apply the same thermal environment and the same electric connection resistance Design 2V Cells Positive...

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SOLARPRO-GEL™ Series SOLARPRO-GEL™ Series Cells & Blocks Installation ™ • SOLARPRO-GEL Solar Battery Cells and Blocks are designed for indoor applications. For outdoor applications please contact XUNZEL • Before installation ensure that the battery room is clean, well-ventilated and dry and is furnished with a lockable door. The battery room must be set out and marked according to EN 50272-2: Safety Requirements for Stationary batteries • Batteries should be installed on racks or cabinets Observe the operating instructions! Work on batteries under instruction of skilled personnel only, observing...

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SOLARPRO-GEL™ Series SOLARPRO-GEL™ Series Cells & Blocks Number of Cycles as Function of Depth of Discharge 2V Cells Operational Data 2V, 6V& 12V Blocks 2V Cells Depth of Discharge (DOD) Initial charge current (Bulk) Absorption / cyclic operation Float / non cyclic operation Max. 80% •Ue= 1.91V/cell for discharge times > 10h •Ue= 1.74V/cell for discharge = 1h •Ue= 1.8V/cell for discharge = 1h Deep discharges of more than 80% DOD have to be avoided Unlimited, the minimal charge current has to be 1.5A/100Ah C 10 2.30V to 2.40V per cell, operating instruction is to be observed 2.25V/cell No adjustment...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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