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ETA Engineering, Inc.
4049 E. Presidio St., Suite 117
Mesa, AZ 85215
Phone: 480-966-1380
Toll Free: 1-877-964-4188
Fax: 1-480-966-1516
info@etaengineering.com


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Note: Prices are subject to change without notice due to changes in other vendors' prices to us. These changes may arise from normal product development plus fluctuations in foreign exchange rates and commodity prices.

Frequently asked questions (FAQ).

Concorde Battery Corporation Sun-Extender maintenance-free, valve-regulated, sealed lead-acid batteries
Maintenance-free, valve-regulated, sealed lead-acid batteries designed for deep cycle/ back-up power photovoltaic applications.
Part Number ETA
Price
Volts Overall Dimensions Unit Wt
lbs (kg)
Capacity Ampere Hours
L
in (mm)
W
in (mm)
H
in (mm)
1 Hr Rate 2 Hr Rate 4 Hr Rate 8 Hr Rate 24 Hr Rate 48 Hr Rate 72 Hr Rate 120 Hr Rate
PVX-340T $call 12 7.71 (196) 5.18 (132) 6.89 (175) 25 (11.4) 21 27 28 30 34 36 37 38
PVX-420T $call 12 7.71 (196) 5.18 (132) 8.05 (204) 30 (13.6) 26 33 34 36 42 43 43 45
PVX-490T $call 12 8.99 (228) 5.45 (138) 8.82 (224) 36 (16.4) 31 39 40 43 49 52 53 55
PVX-560T $call 12 8.99 (228) 5.45 (138) 8.82 (224) 40 (18.2) 36 45 46 49 56 60 62 63
PVX-690T $call 12 10.22 (260) 6.60 (168) 8.93 (277) 51 (23.2) 42 53 55 60 69 73 76 79
PVX-840T $call 12 10.22 (260) 6.60 (168) 8.93 (277) 57 (25.9) 52 66 68 74 84 90 94 97
PVX-1080T $call 12 12.90 (328) 6.75 (172) 8.96 (228) 70 (31.8) 68 86 88 97 108 118 122 126
PVX-1040T $call 12 12.03 (306) 6.77 (172) 8.93 (227) 66 (30.0) 65 82 85 93 104 112 116 120
PVX-890T $call 12 12.90 (328) 6.75 (172) 8.96 (228) 62 (28.2) 55 70 72 79 89 95 98 102
PVX-2120L $call 12 20.75 (528) 8.71 (222) 10.42 (265) 138 (62.7) 136 172 176 194 212 235 244 253
PVX-2580L $call 12 20.72 (526) 10.94 (278) 10.21 (259) 165 (75) 165 209 214 236 258 285 295 305
PVX-1380T $call 6 10.22 (260) 6.77 (172) 8.92 (227) 51 (23.2) 84 106 110 120 138 146 151 158
PVX-1680T $call 6 10.22 (260) 6.77 (172) 8.92 (227) 57 (25.9) 104 132 136 148 168 180 187 194
PVX-1780T $call 6 12.90 (328) 6.75 (172) 8.96 (228) 62 (28.2) 110 140 144 158 178 190 196 204
PVX-2080T $call 6 12.03 (306) 6.77 (172) 8.93 (227) 66 (30.0) 130 164 170 186 208 224 232 240
PVX-2160T $call 6 12.90 (328) 6.75 (172) 8.96 (228) 70 (31.8) 136 172 176 194 216 236 244 252
PVX-2240L $call 6 10.27 (261) 7.12 (181) 10.24 (281) 67 (30.4) 143 180 185 204 224 246 256 263
 
Standard Terminals: All "T" batteries now incorporate copper alloy M8 terminals except the PVX-340T & PVX-420T which are M6. All batteries supplied with silicon bronze bolts, nuts, and washers as required for installation. No exposed lead terminals. This change was made to improve environmental safety and health.  Optional Terminals: L Blade or Automotive post type terminals are available installed by adding the appropriate suffix: "L" for L Blade or "A" for automotive post. Handles: All part numbers include lifting handles except the PVX-490T, PVX-560T, and PVX-2240L.  Ratings: Capacity ratings are stated at 77F (25 C) to 1.75 volts per cell.  Drawings:  Click on the part number in the table above or contact the factory.

SUN-EXTENDER® BATTERY DESIGN FEATURES
  • Copper Alloy Terminals for improved electrical connections.
  • No exposed lead terminals.  This change was incorporated to improve environmental safety and health.
  • Threaded insert terminals are recessed to prevent short circuits across battery connections.1
  • New cover is flat top design.  No protruding or exposed vent valves.1
  • Built in lifting handles, except PVX-490T, PVX-560T, and PVX-2240L.
  • Reinforced container walls to reduce bulging.
  • High Impact Strength Copolymer Polypropylene Case and Cover.
  • Completely Sealed Valve Regulated Construction.
  • Immobilized Electrolyte Non-Spillable.
  • Maintenance Free Design Never Requires Watering.
  • Absorbed Glass Mat (AGM) Micro-porous Glass Separators retain electrolyte.
  • Flame Arresting Pressure Regulated Safety Valves.
  • UL Compliant Systems Component.
  • Positive Plates - Proprietary Lead Calcium Alloy- Negatives Plates - Lead Calcium. 
  • Low Self Discharge Rate Approximately 1 % per month at 25 C (77 F).
  • Operate over a Wide Range of Temperatures from -40 C (-40 F) to +72 C (+160 F).
  • Classified as "Non-Spillable Battery" for Transport.
  • Most Part Numbers comply with DOT HMR49, Non-Hazardous Materials.

       1 Threaded Insert "T" type Features.

 
CHARGING INSTRUCTIONS
Initial charge or recharge: 2.37 to 2.40 volts per cell at 25 C (77 F). Float charge: 2.23 volts per cell at 25 C (77 F). Equalize charge: 2.40 volts per cell at 25 C (77 F). Temperature compensation = ±3.75 mV. per cell per degree C [Reference to 25 C (77 F)].  This is for battery temperature (not ambient temperature) and is useful for battery temperatures from O C (32 F) to 40 C (104 F).  Contact Concorde Battery Corporation for temperatures that exceed this range.

Specifications subject to change without notice.
ETA also carries batteries from:
U.S. Battery
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©2001-2008 ETA Engineering, Inc. All rights reserved. Last updated: January 17, 2008