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

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

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...

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...

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...