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Model Series Type Photo Metal J Volts AH L W H Lbs Price
Add 0819-0019 MONOBLOC 2x2 D Cell Click to View Picture of Battery 8 2.5 3.13 3.62 2.75 2 $42.95

Hawker Cyclon Batteries - Enersys Reserve Power

Thin plate rechargeable cells can solve many of the problems associated with "conventional" lead alloy batteries. The sealed constructions uses a patented, starved electrolyte system, providing numerous advantages including long service life, rugged constructions, extreme temperature performance, fast recharge, high discharger rates and low internal resistance. In addition to the standard cylindrical configurations, Cyclon cells offer a high degree of flexibility to meet unusual requirements and can be configured in an infinite number of designs to meet your precise voltage and amp hour requirements.

Features & Benefits

  • Capacity: 2.5Ah - 25Ah
  • Design life: 15 years @ 20ºC (68ºF)
  • UL recognized
  • Approved for shipping as non-hazardous, non-spillable
  • Operates in any position
  • Telecommunications
  • UPS
  • Emergency lighting
  • Medical equipment
  • Aerospace
  • Defense
  • Global positioning systems
  • Solar
  • Electronics
Single Cell Standard Battery Descriptions - Enersys

Cyclon cells are ideal for small ampere-hour applications up to 25Ah. The sealed-lead construction uses a starved-electrolyte system and a patented grid-alloy providing numerous advantages. Standard batteries are offered based on combinations of Cyclon cells and are available in 2, 6 and 12 volt configurations with capacities ranging from 2.5Ah to 25Ah.

Battery Packages
Rigid plastic cases or shrink wrap packaging are available.

Rigid Plastic
Cases are available for most designs in either flame-retardant ABS Cycolac (General Electric) material, meeting UL94VO flammability rating, or Styrene (available only in 2X3 D and X battery configurations). Some cases have mounting holes. Rigid plastic cases are recommended for applications in which the battery must withstand vibration, movement or extreme weather conditions.

Shrink Wrap
Shrink wrap packaging is less expensive and smaller in size and weight. A plastic extrusion insulates the battery top and keeps the cells in line. A heavy duty shrink sleeve holds the cells firmly in place. Shrink wrap packaging is recommended for applications in which the battery remains stationary. Battery Terminations for Single Cell and Monoblocs


Cell size
D .187" X .025" Tall D .187" X.025" X .250" X.025" E .250" X.025" J .312" X.032" BC 6mm post (negative) 8mm post (positive)

Tab Adapters (D, Tall D, X, and E)
Available to convert .1 87" tabs to .250" tabs, 0.032" thick, and vice versa.

Connection Terminations
A wide variety of terminations are offered. Please specify or contact your EnerSys Sales Representative for recommendations.

Fusible Links
Specify your requirement.

Lead Wires
Stranded copper wire with insulation meeting ULl015 specifications (Red +, Black -). Standard leads extend 9 inches outside the battery pack. Ends are stripped and dipped in wax, which must be removed before use.

Standard wire gauges:

  • D batteries 18AWG, UL1015
  • Tall D batteries 16AWG, UL1015
  • X batteries 16AWG, UL1015
  • E batteries 14AWG, UL1015
  • J batteries 14AWG, UL1015
  • BC batteries 12AWG, UL1015
Varying lead lengths and gauges are also available; please specify to your battery assembler.

Intercell Connections


  • D, Tall D, X and E batteries-welded tin-plated steel connector
  • J batteries-soldered, stranded wire
  • BC batteries-solid copper
For vibration-prone applications
  • D, Tall D, X, E and J batteries-soldered, stranded wire
  • BC batteries-braided copper straps

Broadly speaking, a battery may be recharged using either a constant voltage (CV) charger or a constant current (CC) charger, or a modification of either or both of these. The exact regime chosen generally depends upon the time and economic constraints imposed by the system. Constant current charging is widely used in cyclic applications where a recharge must be accomplished in a relatively short time period. Constant voltage charging, where a single voltage level is applied across the battery terminals, is the most suitable method to recharge Cyclon products. Depending on the CV charger's current limit, it is possible to recharge these batteries from a 100% discharged condition to better than 95% state of charge in less than one hour, using only the cyclic charge voltage. Constant voltage charging Constant voltage (CV) charging should be within the following ranges:

Fast Chargers:
Per cell: 2.45 to 2.50 volts @ 25°C
12 volts: 14.70 to 15.0 volts @ 25°C

Float Chargers:
Per cell: 2.27 to 2.35 volts @ 25°C
12volts: 13.62 to l4.10volts @ 25°C

Hawker Battery Documentation:












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