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 Devices to use Tesla Model S Battery Modules.

Home » Tesla Battery Modules

18-72/12vdc DC DC Converter
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 This DC-DC converter is ideal to generate clean 12v power for our Tesla Model S battery module controller and associated circuitry.  It has a wide input range of 18 to 72vdc and puts out 12vdc at up to 4.166 amps - 50 watts. This is enough to close contactors, run microcontrollers, etc.

Price: $99.00
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Tesla Battery Module
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 85kw Tesla Model S battery modules
444 Panasonic 18650 cells of about 3400 mAh nominal capacity. 
The cells are configured 6s74p, 
Voltage range: 18.6V soc 0%. 23.1V soc 70%. 24.9V soc 100%
capacity ~235Ah, ~5kWh
dimensions: length 27”/685mm
total width with mounting wings 11 13/16”/300mm
Width without mounting wings 11”/280 (depending on how closely you cut)_
height 3”/75mm
mounting wing at 2”/50mm
terminals apart 9”/230mm
weight about 55lbs / 25kg
Price: $1,295.00
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EVIC Display for Orion BMS
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 Electric Vehicle Interface Controller (EVIC) for the Orion BMS
This device provides a dazzling 840x480 color display for data received from the Orion BMS about battery pack voltages, currents and temperatures.

It gets information from the Orion CAN bus port t
 No real setup required.  Wire it to the CAN pins and 12v power and you have a beautiful interface to your system.

This model does  feature Touch Screen.  Works very well with EVTV Controller for Tesla Battery Pack
Price: $795.00
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Tesla Model S Battery Module Controller Basics Kit
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 The Tesla Model S Battery Module features it's own proprietary Battery Management System board that reports the voltage of each cell in the module, temperature of each module terminal, and can actively balance each cell in the module.  But it uses a very proprietary serial communications scheme to report this to the main BMS board in the Tesla Battery Pack.

We have reverse engineered this scheme and developed a specifically designed shield to communicate with it, along with a series of cable harnesses to connect to the batrtery modules.  

This shield mounts on our EVTVDue microcontroller to provide an embedded system to control and monitor up to 62 individual battery modules.

Beyond voltage and temperature monitoring and balancing, this controller has the capability to operate two Gigavac contactors to connect your system but more importantly, to DISCONNECT it if any cell goes beyond voltage or temperature limits YOU set.  And it does much more, like control external MPPT charge controllers and heating or cooling.  It also provides CAN ports to communicate with your other equipment or support inverters such as the Sunny Island 6048.

We've gone to some lengths to develop a complete software solution you can configure and observe with a laptop computer and USB connection using simple ASCII text commands. But this solution requires a certain set of other componentts to operate.  This kit contains the minimal system required to satisfy the software.
Price: $1,295.00
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Wiring harness for Tesla Battery Module Controller
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 Wiring harness for our Tesla Model S Battery Module Controller.  Comes with connector for the module wiring harnesses.

Price: $29.95
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Four Module Extension Harness for Tesla Modules
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 This four module extension allows you to "extend" a two module harness to six modules or a four module harness to eight modules.  And you can add these extensions to get any even number of modules up to the max 62 supported by the controller.

Price: $69.95
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Two Module Harness for Tesla Battery Modules
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 This is a wiring harness that plugs into the BMS board connectors on the Tesla Battery Module.  This harness will connect two Tesla battery modules.
Price: $49.95
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Four Module Harness for Tesla Battery Modules
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 This is a wiring harness that plugs into the BMS board connectors on the Tesla Battery Module.  This harness will connect four Tesla battery modules.
Price: $59.95
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Stacking Strap for Tesla Battery Modules
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 These heavy copper 1 inch straps feature heavy MILSPEC shrink wrap insulation and are perfect for connecting two Tesla Battery Modules stacked vertically.
Price: $21.95
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Braided Battery Strap Kit for Tesla Battery Modules
As it so happens, our own 70mm battery straps are the PERFECT length to strap two Tesla Battery Modules together side-by-side.
Price: $9.00
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Gigavac GX16BEB 600 Amp 800v Contactor
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  • Chassis level power terminals – No need for specially routed power cables, special bus bars, or special lugs.
  • Rugged EPIC® seal rated to 175°C – Reduced risk of re or meltdown in over current conditions. The same technology used for advanced aerospace programs.
  • Hermetically sealed – Designed to meet: UL1604 for Class I & II, Div 2 and Class III for use in hazardous locations,
  • IP67 for temporary water immersion for 30 min, SAE J1171 - external ignition protection, and ISO8846 for protection against ignition around ammable gasses.
  • High Ef ciency Dual DC Coils – Very low 12, 24 or 48 VDC continuous coil power with no EMI emissions or cross- talk on your system control power. Ideal for battery powered systems or where low power is needed.
  • Built-in coil suppression for all DC coils – Saves you engineering time and parts cost to add external coil suppression.
  • Stainless steel nuts, washers and mounting inserts, for years of corrosion free service.
  • Not position sensitive – can be mounted in any position for ease of installation.
Price: $299.00
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Gigavac GX14BA Epic 350 Amp Contactor
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The GIGAVAC GX14BA contactor is a 350 ampere single-pole single-throw (SPST) normally open (NO) high voltage high current relay capable of breaking current flows up to 900 volts.. 

Mechanically rated for over 1,000,000 cycles, this hermetically sealed contactor features built-in coil suppression and IP67 environmental rating.

The coil operates on 8-16vdc with a 4.3 amp close but a small 240 ma holding current.

UL 1604 listed for Classes I, II, and III.

Price: $149.00
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