Emtel Energy

Comparison

ENCAP and Environmental Sustainability

Almost fully biodegradable
and over 90% recyclable

ENCAP Modules Stores Energy Electrostatically

Conv. BATTERIES Store Energy Electrochemically

Environmental Footprint – fully recyclable and significantly
less than chemical batteries

ENCAP Cells

ENCAP Casing

ENCAP Electronics

Comparison of different Batteries vs ENCAP

Attributes

Li-Ion

Lead Acid

Flow

Encap

Encap Advantage

Warranty

Up to 10 Years with Limited Capacity Warranty

3 years

-

10yrs with No EOL degradation (Extendable with limited throughput caps)

Maximum Value

DC round trip Eff.

80-90%

70%

65 – 75%

99.1%

Low Opex

DOD

70-80%

50 – 60%

100%

100%

Full Capacity

Exposure to Extreme Temperature

<50oC

<27oC

<50oC

<60oC

Any Loc Environment

Charge Current Min – Max Voltage

Sev. Limited 3.7v to 4v

Sev. Limited 12.23v to 12.89v

Sev. Limited N/A

1C – 2C (up to 150C) 43.2v to 60.8v

Fast Charging

Discharge Curr.

2 Hrs

10 – 20 Hrs

2 – 10 Hrs

1C – 2C

Long Duration

No. of Cycles Module Level

6000 (max)

3000 (max.)

-

50,000 cycles (4 cycles a day)

Long Product Life

No. of Cycles Cell Level

6000 (max)

3000 (max.)

-

500,000 cell level

Long Product Life

Example

Attributes

Encap

Chemical Battery

Name plate Capacity

1kWh

1kWh

Equivalent Capacity (Derated for DOD & EOL Degradation)

1kWh

0.4kWh - 0.6kWh

No. of Banks in 10 Years

1

2 to 3

Total Capacity Required for 10 Years of Operation

1kWh

3kWh - 5kWh