Segmentally extendable modular handheld flashlight and respective kit-of-parts for assembling the same

1. A modular segmentally extendable flashlight comprises:

(a) a flashlight head housing comprising:

(I) a hood;

(II) a reflector;

(III) a light emitting diode mounted on printed circuit board plate;

(b) a flashlight body portion comprising:

(I) a first battery housing;

(II) a second battery housing;

(III) a charging port member;

(IV) a driver circuit configured to perform at least one operation selected from the group consisting of: increasing input voltage, decreasing input voltage, increasing output voltage and decreasing output voltage;

(c) a flashlight posterior part comprising:

(I) a posterior battery current collector;

(II) an on/off switching knob, and

(III) a knob cover, configured for hermetically sealing said knob;

wherein said modular segmentally extendable flashlight embodies at least one configuration selected from the group consisting of: a double battery configuration, wherein said first battery housing and said second battery housing are assembled in tandem in-between said flashlight head housing and said flashlight posterior part, and a single battery configuration, wherein said first battery housing is assembled in-between said flashlight head housing and said flashlight posterior part, whereas said second battery housing is configurable as an individual standalone electric power bank charger.

2. The modular segmentally extendable flashlight, as in claim 1 , wherein said charging port member comprises a charging port and wherein said driver circuit renders said charging port configured for charging at least one member selected from the group consisting of:

(a) at least one battery inside at least battery housing selected from the group consisting of: said first battery housing and said second battery housing from an external power source, and

(b) external electronic device from said charging port.

3. The modular segmentally extendable flashlight, as in claim 1 , wherein said flashlight posterior part further comprises an embedded compass.

4. The modular segmentally extendable flashlight, as in claim 1 , wherein in said double battery configuration, said driver circuit decreases said output voltage, thereby providing for a prolonged working time.

5. A kit-of-parts for assembling a modular segmentally extendable flashlight, comprises:

(a) a hood;

(b) a reflector;

(c) a light emitting diode mounted on printed circuit board plate;

(d) a first battery housing;

(e) a second battery housing;

(f) a charging port member;

(g) a driver circuit configured to perform at least one operation selected from the group consisting of: increasing input voltage, decreasing input voltage, increasing output voltage and decreasing output voltage;

(h) a posterior battery current collector;

(i) an on/off switching knob, and

(j) a knob cover, configured for hermetically sealing said knob;

wherein said modular segmentally extendable flashlight embodies at least one configuration selected from the group consisting of: a double battery configuration, wherein said first battery housing and said second battery housing are assembled in tandem in-between said flashlight head housing and said flashlight posterior part, and a single battery configuration, wherein said first battery housing is assembled in-between said flashlight head housing and said flashlight posterior part, whereas said second battery housing is configurable as an individual standalone electric power bank charger.

6. The kit-of-parts, as in claim 5 , wherein said charging port member comprises a charging port configured for charging at least one member selected from the group consisting of:

(a) at least one battery inside at least battery housing selected from the group consisting of: said first battery housing and said second battery housing from an external power source, and

(b) external electronic device from said charging port.

7. The kit-of-parts, as in claim 5 , wherein said flashlight further comprises an embedded compass at a posterior part thereof.

8. The kit-of-parts, as in claim 5 , wherein in said double battery configuration, said driver circuit decreases said output voltage, thereby providing for a prolonged working time.

9. A method of assembling a modular segmentally extendable flashlight, comprises:

(a) providing a kit-of-parts comprising:

(I) a hood;

(II) a reflector;

(III) a light emitting diode mounted on printed circuit board plate;

(IV) a first battery housing;

(V) a second battery housing;

(VI) a charging port member;

(VII) a driver circuit configured to perform at least one operation selected from the group consisting of: increasing input voltage, decreasing input voltage, increasing output voltage and decreasing output voltage;

(VIII) a posterior battery current collector;

(IX) an on/off switching knob, and

(b) assembling said modular segmentally extendable flashlight in a double battery configuration, wherein said first battery housing and said second battery housing are assembled in tandem, and

(c) assembling said modular segmentally extendable flashlight in a single battery configuration, wherein said first battery housing is assembled as a part of said modular segmentally extendable flashlight, whereas said second battery housing is configurable as an individual standalone electric power bank charger.

10. The method, as in claim 9 , wherein said charging port member comprises a charging port, further comprises at least one member selected from the group consisting of:

(a) charging at least one battery inside at least battery housing selected from the group consisting of: said first battery housing and said second battery housing from an external power source, and

(b) charging external electronic device from said charging port.

11. The method, as in claim 9 , wherein said flashlight further comprises an embedded compass at a posterior part thereof.

12. The method, as in claim 9 , further comprises decreasing said output voltage, in said double battery configuration, thereby providing for a prolonged working time.