PowerStream Power supplies, battery chargers, batteries and packs, dc/dc converters, injection molding    View Shopping Cart
April 17, 2023

6 inch thick, under-car 12 volt portable battery station, 88 amp hours for auto showrooms and trade shows. Lithium Iron Phosphate for safety, low weight, and long life.

Auto showroom power supply 13.6 volt 90 amp power supply with low noise for audio demonstration purposes
These power supplies are also useful for powering electrical accessories when the car's engine can't be started for recharging.
Auto showroom battery pack Just opening the door of a modern car turns on lots of lights and gadgets. Getting, in adjusting the seats, and trying out the audio, video or navigation systems helps create interest in the car. But it also runs down the battery. In a surprsingly short time the battery could be flat and sulfating.

And often the local fire marshal won't allow the car's battery to be connected indoors, so the car can't act alive. A safe, portable, powerful external battery solves all these problems. The innovative PST-ASR-88 is a roll-around case with collapsible handle and two suitcase handles for easy installation. It is only 6 inches thick, which means it can roll under just about any car or truck.

The battery consists of laser welded cells that cannot emit flammable gas, so is fire-marshal friendly for use in trade shows, fairs and expositions, and any indoor venue.
The battery charger is internal, so all it needs to charge is to plug into AC. So it can be charged in-place, in the office, or the shop.

The standard 88 amp-hour configuration weighs 26 lbs. There is room for more batteries inside, for a total of 132 amp-hours and 40 lbs.

A 25 amp circuit breaker will pop if someone inadvertently tries to start the car with the pack attached. The breaker is resettable from the front of the case. Larger circuit breakers are available on request.
auto showroom battery 88AH flat
The PST-ASR series can be used instead of the car's battery, or in parallel with it. If used in parallel the PST-ASR will discharge about half way before the voltage drops low enough to allow the car's battery to start to discharge. After that the two batteries will discharge together. In fact, if the car's battery is low, the PST-ASR can charge it and keep it from sulfating.
Price includes Battery, Case, AC charger and Cables Quantity 1-10 Quantity 11-50
PST-ASR-88 88 Amp-Hour, 25 lb lithium version $1250
7-10 days shipping delay
PST-ASR-132 132 Amp-Hour, 40 lb lithium version $1800
7-10 days shipping delay
PST-ASR-44 44 Amp-Hour 13 lb lithium version $725
7-10 days shipping delay
PST-PASR-44 44 Amp-Hour, 34 lb sealed lead acid version $425.00
7-10 days shipping delay
top of battery case
Top of the case showing the output connecter (left), the circuit breaker button next to it, and the AC port for charging (right).

Portable battery life table:
Battery options PST-ASR-88 PST-ASR-132 PST-ASR-44 PST-PASR-44
Amp-Hours 88 AH 132 AH 44 AH 44 AH
Watt-Hours 1126 WH 1690 WH 563 WH 528 WH
100 watts 11 hours 17 hours 5 hours 4 hours
50 watts 22 hours 34 hours 10 hours 9 hours
20 watts 56 hours 85 hours 28 hours 28 hours
Cycle life 1000+ cycles 1000+ cycles 1000+ cycles 300 cycles
Charge time with included intelligent charger 27 Hours
(16 hour and 8 hour chargers available)
44 hours
(24 and 11 hour chargers available)
15 hours 15 hours
Partial charges Nightly partial charges are acceptable and will not cause any loss of battery life.
Dimensions Approximately 6 x 17 x 28 inches
Weight 25 lbs 40 lbs 13 lbs 34 lbs

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