Powerenz LFP40 Sling Pack - 176-watt System

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Product Code: LFP40-176W



Powerenz LFP40 Sling Pack - 176-watt System

In the photo below, one can see the pair of high-efficiency 88-watt foldable solar panels being used to recharge the LFP40 battery that is enclosed in the sling pack.  Also stored in the sling pack are the inverter (yellow), AC-powered battery charger, solar charge controller, cigarette lighter socket adapter, tent stakes, and all accessories.


     This silent, lightweight, portable solar power generator utilizes the finest technology obtainable.  Powerenz LFP40 takes advantage of Lithium Iron Phosphate (LFP) battery chemistry that weighs 40-50% less than lead acid batteries of the same energy capacity, and that will provide at least 2000 charge/discharge cycles before it begins to lose its rated performance.  If you discharge a lead acid battery by 70% of its rated charge capacity every day, you will need to replace the battery every 250-300 days vs. every 2000 days when using the LFP battery in our system.  

     Powerenz LFP40 utilizes Maximum Power Point Tracking (MPPT) technology solar charging which optimizes the electronic relationship between solar panel and battery.  This can accelerate the rate at which the battery can be solar-charged by up to 30% per day.  Our solar charging systems are configured specifically for our LFP series of portable solar power systems.

     This Portable Solar Power System can be carried during events where high power, high energy density and low weight are critical.  Powerenz LFP40 can provide power for a variety of portable electronic devices that require 12 volts DC up to 10 amps/120 watts, 120 volts AC up to 300 watts, and that can recharge itself in sunlight using the included folding solar panels.  This system is best suited to provide power for all small to medium size portable electronic devices, such as cell and satellite phones, communication radios, laptop computers, small battery chargers, night vision systems, satellite repeaters, lighting fixtures, small power tools, televisions, GPS’s, flashlights, small refrigeration/freezer units, and more. 

     The battery, protective circuitry, solar charge controller, power inverter, wiring, AC-powered battery charger, extension cable that connects the solar panel to the solar charge controller, and accessories are housed inside a water-resistant, tactical sling pack.  The solar panels are carried separately.  12-volt DC power is accessible via a female cigarette lighter socket that plugs into the battery.  120-volt AC power is provided by an inverter that also plugs into the battery. 

     Powerenz LFP40 - 176W Sling Pack System includes: Battery - rechargeable, 12.8-volt, 40 amp-hour, LFP battery that stores 512 watt-hours of energy.  The battery can be charged directly from the solar panels using the solar charge controller and custom connector cable, or from the included smart, 3-amp, 100-240VAC-powered charger when the grid is available.  The AC recharging time is 14-15 hours from empty to full.         

      Solar panels – two identical hi-efficiency, water (IP65)- and weather-proof, uv-resistant, folding solar panels that come in digital ACU camouflage or green-brown jungle camouflage on their external surfaces, and that have the following nominal output ratings at Pmax: 88 watts; 5.165 amps; 17.024 volts.  The inner surfaces that surround the solar cells are white.  Their open circuit voltages are  20.38 volts, and their short circuit currents are 5.727 amps.  These superior panels are manufactured in the USA using high-quality monocrystalline solar cells, the rated efficiency of which is 18.4%.  Each fold out solar panel weighs 8.1 pounds, and measures 23 x 12 x 2 inches folded, and 48 x 23 x 1/8 inches unfolded (7.03 square feet).  All connector-extension cables that are necessary to connect the pair of panels together and to the solar charge controller are included.  In each corner of each panel, there is a metal grommet or ringlet that can be used to secure the panel to the ground or to another device.

     The camouflage pattern covers the external (non-solar cell side) surface of the foldable solar panel.  On the solar cell side, the space between and around the cells is white in an attempt to keep the panel cooler and to increase its efficiency.

      Solar Charge Controller – a 10.5-amp/140-watt unit that uses MPPT to accelerate solar charging of the battery by up to 30%.  The solar charge controller is protected against over-current by a circuit breaker that can also be used as an ON-OFF switch.  If the system is to be stored for a prolonged length of time, the circuit breaker should be switched to the OFF position and/or the battery should be charged every 2-3 months in order to prevent complete drainage of the battery.   To solar recharge the battery pack, the circuit breaker must be dwitched to the ON position.

      Backpack – 1000-Denier water and abrasion resistant sling pack that includes: light-weight ballistic nylon fabric, Teflon® fabric protector for grime resistance and easy maintenance, high strength zippers and zipper tracks, UTX-Duraflex nylon buckles for low sound closures, triple polyurethane coated for water resistance, high tensile strength nylon webbing, high tensile strength composite nylon thread (stronger than ordinary industry standard nylon thread), #AS-100 high grade closed-cell foam padding material for superior shock protection,  taped and finished internal seams, Paracord zipper pulls, double stitched stress points, and Backtracked or "Box-and-X" stitches for added strength. 

     Power Inverter: continuous 300-watt (5-second peak 400 watts), 12VDC to 120VAC modified sine wave unit that has 2 AC receptacles.   The power/current output from the inverter is limited to 30 amps/360 watts by a fuse.

     The system weighs approximately 40 pounds.

In the three photos below, one can see the sling pack and the two solar panels, both folded.

In the photo below, one can see the sling pack with its main compartments unzipped, and the unfolded solar panel in the background.  One can see the cigarette lighter socket adapter emerging from the top main compartment, and the yellow 300-watt inverter in front.

In the photo below, one can see the sling pack, the two solar panels with their extension cables, the inverter with its red and blue power cables, and the AC-powered battery charger to the right of the yellow inverter.