Global Insight Group Inc

















Global Insight Group Inc

621 South B Street, Unit B, Tustin CA, 92780 USA

Office 714-505-9399

Fax 714-505-9961

Products Overview





Power Supplies 

Battery Technologies

  Li Ion (Co, Mn, FePO4), Li Ion Polymer, NiMH, NiCd, Lead Acid (AGM and GEL)

Battery Solutions

  Cells - All above technologies

  Packs - include cells, casing, PCM, and wire/connector or contacts

  Chargers - Unique designs for battery specific requirements

  Battery Management System (BMS) - monitor, protect, and report



  Wall plug mount AC DC converters


Power Supplies

  AC DC converter


Lithiom-ion (Li-ion)

Highest energy storage by volume (Wh/l)

Light weight,

Liquid electrolyte with metal can casing

No memory effect

Long cycle life >500 cycles at 80% depth of discharge

Calendar life 3-5 yrs

High Unit Cell voltage @ 3.7V/Cell nominal

3 hr charge typical

Protection circuit for thermal runaway, over charge and over discharge

Lithium-ion Polymer (Li-ion Polymer)

Same chemistry and charge profile as Li-ion

Lighter weight than Li-ion

Long cycle life >500 cycles at 80% depth of discharge

Calendar life 3-5 yrs

Gel or plasticized electrolyte

Flexible footprint using thin rectangular cells

10% expansion allowed for full charge cells


Nickel Metal Hydride (Ni-MH)

Higher capacity than Ni-Cd

Cadmium free

Rapid charge

Typical charge 2-4 hrs

Long Cycle life >500 cycles

Unit Cell Voltage @ 1.2V/Cell nominal

Disadvantage: large self discharge

Cylindrical and prismatic cells


Nickel Cadmium (Ni-Cd)

Long Cycle life >1000 cycles

Fast charge typical 1 hr

Extended temperature -40 to 60C

High peak current discharge to 20C

Disadvantage:  Cadmium content, high self discharge, memory effect


Lead Acid (VRLA Gel and AGM)

Low cost

Good high rate 5C

Cycle life 200+ cycles at 100% discharge

Calendar life 3-5 yrs

Low self discharge

Disadvantage:  Lead content, Sulfation on stand, low energy density


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