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   Note: The duration of illumination strongly depends on the intensity 

and duration of the solar radiation during the day. During the winter 

months please generally expect a shorter light ON time. If the lamp 

should not shine on the first evening, please wait for a sunny day.

5. Automatic Energy Management

This specifically developed function ensures the optimal utilization of the 

stored energy in the rechargeable battery. 
The lamp is automatically switched on at dusk. The luminous power is 

automatically reduced to 70% after three hours.  The luminous power 

is reduced to 50% after another three ours. The lamp is automatically 

switched off after another two hours. That means, that the lamp is usually lit 

the whole night in the summer half-year and that a significant optimization 

of the duration of the light ON time can be achieved in the winter half-year.  

6. Exchange of the rechargeable Battery

On average, the battery in the light globe has to be exchanged by a new 

and identical in construction battery every two years. Used here is a Li-ion 

battery with 3.2 V/ 1500 mAh. 

A replacement battery is available from your 

retailer or the manufacturer under

 www.esotec.de

Proceed as follows when exchanging the battery:
1.  Move the switch at the bottom side of the solar module into the position 

(OFF).

2. Unscrew the 4 screws at the bottom side of the solar module with an 

appropriate screwdriver and carefully remove the lid.

3. Take out the used battery and 

replace it by a new, identical in 

construction battery (illustration 

5). Pay attention to the correct 

polarity of the battery when 

inserting it! 

4.  Now reattach the lid and screw 

the 4 screws back in with a 

suitable screwdriver. 

5.  Move the switch at the bottom 

side of the solar module into 

the position (ON). The spot is 

ready for use again!

7. Malfunctions

1.  The lamp is getting darker and darker at night!
  Remedy: The lamp is equipped with an energy management. See item 

5.

2. The globe is not activated at darkness!

 Remedy: The battery in the lamp has reached the end of its lifetime? 

The batteries shall usually be exchanged by new and identical in 

construction batteries every two years!

 Remedy: Is the switch at the bottom side of the solar module in position 

„ON“?

  Remedy: It the solar module illuminated by extraneous light (e.g. 

spot)? Position the lamp at a darker place.

8. Technical Data

• Solar module:  

1.8 Wp crystalline

• Illuminants: 

2 LEDs (2 x warm white; 2 x cold white)

• Light color: 

warm white: 2800 K, cold white: 6500 K

• Luminous intensity warm white: 

The first 3 hours 50 lm, then 3 h 

 

 

37 lm, then 2 h 26 lm.

• Luminous intensity cold white: 

The first 3 hours 65 lm, then 3 h 

 

 

51 lm, then 2 h 34 lm.

• Light ON time:  

max. 8 h

• Replacement battery:  

Li-ion 3,2 V/ 1500 mAh (type 18650) 

 

Spare part art.-no.: 901024 (www.esotec.de)

• Type of protection:  

IP 54

• Protection class:  

III

All spare parts are available under www.esotec.de

Copyright, esotec GmbH

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