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Here you can find accessories for your reading lamp, whether it’s Ecologic Mart brand or other brands.

USB Charger

Additionally you can find the USB adapter compatible with any of the above mentioned brands

USB charger with double output of 1.0A and 2.1A. Useful for charging reading lamps and most cell phones.
Specifications: 5VDC 1.0A & 21A – 100-240VAC 50/60Hz

Search for USB Chargers on Amazon.

Extra Long Micro USB Cable for Ecologic Mart Current Reading Lamps

The 2 meter long USB to USB Micro USB cable is perfect for using the reading lamp while charging the battery, with a shorter cable you would have to wait for the charging to complete to start the reading.
USB Male type A to Micro USB Male type B, 78 inches = 2 meters

Replacement Battery for Book Light (Current Models from Sept 2018)

The ideal is to get an identical one, with the same reference and the same connector but when it is not available or it is easier to get one locally, I recommend that you consider these three aspects:

  1. The capacity is 1200mAh which IS NOT OBLIGATORY you could use batteries with a lower capacity as long as they are 3.7V, the difference will be that the charge lasts less time.
  2. The size of the battery is indicated by your reference; 103040 means 10mm * 30mm * 40mm
    • You can use any other battery that is smaller in size such as the 1578 500mAh whose dimensions are 29mm x 36mm x 4.75mm (
  3. Connector type is JST 1.25mm 2-pin (2P) male.
    • If only the JSP PH2.0 connector is available, which is the most common, you have the option of cutting the wires from the old battery to replace the connector on the new battery. (you will need to use solder or tape the wires together)

Please note that buying the battery from Amazon is expensive because the platform’s minimum commission for any product is higher than the cost of the battery. The best practice then is to find a battery that fits in accordance with the above at a local electronics store or workshop.

Also consider that you can use the lamp connected to the USB cable (for this reason we include it so long)
Ecologic Mart Lamps from Sept 2018 contains a 1200mAh battery with these specifications: 
Lithium Ion Battery
Nominal Voltage: 3.7V
Size: 40*30*10mm
Nominal Capacity: 1200mAh
Type 103040
Connector Type: 2-Pin Male Connector 1.25mm
PLEASE NOTE: Ecologic Mart will sell 103040 batteries with 1.25 JST Connector from October 2020 for lamps sold since September 2018 because these batteries must last for at least two years.

Replacement Battery for Book Light (Old models)

Ecologic Mart Lamps before Sept 2018 and most other brands contains a 1000mAh battery with these specifications: 
Lithium Ion Battery
Nominal Voltage: 3.7V
Size: 5.2*34*50mm
Nominal Capacity: 1000mAh
Type 523450
Connector Type: 2P (PH2.0)

Book Light Replacement Cable for Ecologic Mart older models and other brands

When we first started in this business our first book reading book light included a USB Male to Barrel Male cable, many of our customers complained that this was a rare and hard to find cable.

Barrel type connection - female

Book Light With Barrel type connection – female

Barrel Male Connector for Book Light

Barrel Male Connector for Book Light

Although our cable had the advantage of being twice as long as those of the competition, they were right, this cable is inconvenient, for this reason we decided to evolve towards a Micro-USB connection.

Most companies that offer reading book lights are still using the barrel connection, if your cable was lost, it was damaged or simply want to purchase a longer one, here you can find the replacement.

Specifications: USB Male type A to Barrel Male, 78 inches = 2 meters, 3.5mm OD x 1.3mm ID x 11mm L (Plug measurements: 3.5mm Outer Diameter x 1.3mm Internal Diameter x 11mm Long)

Some of the brands whose reading lamps use barrel type cable are (Which brand is better?)

  • Luminolite
  • Mighty Bright
  • Amir
  • Dharma Diner
  • Fulcrum
  • LElife
  • Lumiens
Thanks for getting this far, it is a pleasure to provide valuable information for you.