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Deka Unigy 12AVR75 Battery
Deka Unigy 12AVR75 Battery
Deka Unigy 12AVR75 Battery - 12V 70.6 Ah Top Terminal Telecom AGM
Warranty
Small Block, Full Unigy Construction
- Pure lead positive grid - greater than 98 percent pure lead with a tin-calcium alloy, with a pure lead calcium negative, the plate pair East Penn uses across the Unigy I range.
- Sealed AGM VRLA - micro-porous glass mat separators, heat-sealed case and cover that are 100 percent leak tested, and low-pressure self-sealing valves with flame arrestors.
- Telecom and safety standards on the flyer - designed to meet GR-4228, meets or exceeds IEEE recommended practices, UL recognition, and UL 1973 certification for energy storage.
- 100 percent initial string capacity - guaranteed when tested to IEEE 1188, so the string is at rating on day one rather than growing into it.
- Charge current limits published - East Penn's Unigy I manual sets a 13.4 amp maximum and 4.0 amp minimum charge current for this block, useful when the rectifier plant is shared with larger strings.
Technical Specifications
| Deka Unigy 12AVR75 Specifications | |
|---|---|
| Part Number | 12AVR75 (also searched as 12AVR 75, deka 12avr75, unigy 12avr75) |
| Battery Type | AGM VRLA with IPF plate technology, top terminal, telecom float service |
| Nominal Voltage | 12V |
| Nominal Capacity | 70.6 Ah at the 8-hour rate to 1.75 VPC at 77°F (8.8 A for 8 hours) |
| Discharge, 1-hour rate | 51.4 A to 1.75 VPC |
| Discharge, 4-hour rate | 16.2 A to 1.75 VPC |
| Discharge, 20-hour rate | 3.8 A to 1.75 VPC |
| Discharge Current Limits | 0.89 A minimum, 269 A maximum to 10.50V (Unigy I manual, Form 0902) |
| Positive Plate | Greater than 98% pure lead, tin-calcium alloy |
| Negative Plate | Pure lead, calcium alloy |
| Terminal Type | Top access, 1/4-20 threaded insert, epoxy-sealed posts |
| Length | 10.20 inches (259.1 mm) |
| Width | 6.56 inches (166.7 mm) |
| Height | 8.24 inches (209.3 mm) |
| Weight | 54 lbs (24 kg) |
| Float Charging Voltage | 13.50V per battery ±0.5% at 77°F (range 13.42V to 13.57V) |
| Charge Current | 13.4 A maximum, 4.0 A minimum (Unigy I manual, Form 0902) |
| Case Material | Flame-retardant polypropylene, UL 94 V-0, >28% limiting oxygen index |
| Valves | Low positive pressure, self-sealing, flame arrestor |
| Standards | GR-4228 (designed to meet); IEEE recommended practices; UL recognition; UL 1973 |
| Design Life | 10 years in float applications at 77°F (East Penn) |
| Warranty | 1 year (East Penn, Unigy I top terminal tier, Form 0985) |
| Minimum Order | 4 units |
Where This Battery Is Used
- Small 48V telecom reserve strings - four 12AVR75 blocks behind a rectifier at a remote hut, a repeater or a small cell site with a modest DC load.
- Shallow cabinet shelves - the 8.24 inch height and 54 lb weight fit trays that the larger Unigy I blocks do not.
- Low-load float service - controls, signaling and monitoring loads specified in ampere-hours rather than the watt ratings of a UPS string.
Ordering and Freight
Frequently Asked Questions
Why does the 12AVR75 carry a shorter warranty than the larger Unigy I blocks?
Because East Penn's Form 0985 sets the tier by capacity and terminal style rather than by series. Blocks under 100 ampere-hours at the 8-hour rate with top terminals sit on the 1-year tier; blocks at 100 Ah or more, or with front-access terminals, sit on the 4-year tier. The 12AVR75 is 70.6 Ah with top terminals, so it takes the shorter term. The design life is the same 10 years at 77°F across the line; only the warranty term differs.
What is the 75 in the part number if the rating is 70.6 Ah?
A series designation. East Penn's published rating is 70.6 ampere-hours at the 8-hour rate to 1.75 volts per cell at 77°F, so size the string on 70.6. Reserve calculations built on a round 75 Ah will come up about six percent short, which is the difference between meeting a reserve requirement and missing it on a marginal site.
How many 12AVR75 strings does a site need?
Divide the plant's DC load in amps by the number of strings you are considering, then find that per-string current in the discharge table and read the hours across. One string of four blocks delivers 8.8 amps for eight hours or 16.2 amps for four hours, to 1.75 VPC at 77°F. If the load or the reserve requirement lands between two strings, send both figures and a specialist runs the arithmetic and prices both counts.
Can the 12AVR75 replace another maker's 70 Ah top-terminal block?
Usually, if three things match: the 8-hour rating, the terminal position, and the shelf dimensions of 10.20 by 6.56 by 8.24 inches. Send a photo of the label on the block coming out and the tray measurements, and we confirm the fit before quoting rather than after delivery.
Send the quantity, your delivery ZIP and your requested-by date. A specialist confirms availability, the warranty term, volume pricing and freight in writing, with no obligation to buy.
Call 1-877-775-4381 · battery specialists, not a call centerWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov (State of California only).