18650 Li-Ion 2500mAh 11.1v 3S1P Protected Battery Pack-3c

(1 customer review)

Out of stock

Approx Restocking Date: NA
SKU: 631234


  1. Maximum Output Voltage: 12.6 VDC
  2. High energy density
  3. Good consistency and low self-discharge.
  4. Long life with full capacity for up to 500 charge cycles
  5. Inbuilt (BMS) battery protection circuit


(inc GST)

₹ 761.86 (+18% GST extra)

Out of stock

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Category: 3 Cell (11.1V~12.6V)
Tags: Li-ion 11.1V battery, 18650 battery pack

Since finding a branded or good quality 18650 Li-Ion battery or battery Pack is nearly going impossible and the market is full of suppliers who are offering the clone lithium-ion batteries under the names of famous brands. Those batteries are rated the same as standard lithium-ion batteries yet no one guaranty about their lifespan and also their performance is not as good as you expect.

To overcome this case and provide our customer best possible Li-on battery,

After your overwhelming response to our Orange Premium Battery range, with our liability, we at robu.in launched 18650 Lithium-Ion battery packs with the best potential quality at a reasonable price to provide you with the value for what you are paying

This battery pack is made up of best quality tested  ICR 18650 2500mAh 20C Lithium-Ion Batteries and a BMS circuit. It is small in size and weight compared to Ni-Cd, Ni-MH, and Lead Acid Batteries. With the inbuilt Charge protection circuit, the battery pack can be directly charged with the DC power suppl, so need not use the specialized battery chargers and worry about overcharging.

We build these battery packs in diverse range to fulfil 7.4V to  14.8 V and differential capacities. This battery pack is very convenient to recharge and install in your project requirement.

Features :

  1. High energy density
  2. Capacity, resistance, Voltage, platform time consistency is good.
  3. Good consistency and low self-discharge.
  4. Very Small in size and weight compared to Ni-Cd, Ni-MH, and Lead Acid Batteries
  5. Full Charge in 40 to 90 minutes depending upon the special charger
  6. Long life with full capacity for up to 500 charge cycles
  7. 3 x Li-ion 11.1V 2000mAh cells (3S1P)
  8. Inbuilt (BMS) battery protection circuit
  9. The battery will work within a voltage range of 7.2 to 11.1V.
  10. The BMS will cut off the battery at approx. 5 V to prevent over-discharging.
  11. The maximum safe charging current is 7000 mA.
  12. Recommend charging current is maximum 1000mA for longer life
  13. High performance and capacity
  14. Flat top to suit many devices fitting. 

Package Includes :

1 x 18650 Li-Ion 2500mAh 11.1v 3S1P Protected Battery Pack

Battery Type

Li ion 18650 battery Pack

No. of Battery Cell

3x Li-ion 3.7V cells (3S1P)

Nominal capacity


Nominal Output Voltage (V)


Maximum Output Voltage (V)


Cycle life / 80%

≥ 500

Charging Temperature

0 – 45°C

Discharging Temperature

20 – 60°C

Length (mm)


Width (mm)


Height (mm)


Weight (gm)


Shipment Weight

0.18 kg

Shipment Dimensions

8 × 7 × 4 cm

15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 1 review

1.0 overall

Add a review

  1. karthickashwath247 (verified owner)

    Please don’t buy this. There is no balance connector and smart chargers will not charge this battery even in normal charge mode.Its not possible to charge lithium batteries safely without smart charger.


Questions and answers of the customers

  1. 0 votes

    Charging voltage range of 7.2 to 11.1V.

  2. 0 votes
    Q Which charger to use to charge batrery answer now
    Asked by viraj.theeventcompany on September 20, 2020 1:49 am
    A You can use Li-Ion chargers available on our websi... Read more
  3. 0 votes

    Because it has different charging and dischargi... Read more

  4. 0 votes
    Q What is the charging voltage? answer now
    Asked by Anonymous user on February 12, 2020 1:38 pm

    Hello there, It's maximum charging voltage rate... Read more

  5. 0 votes
    Q what is thick ness of battery is it 15mm answer now
    Asked by narayane88 on December 25, 2019 4:00 pm

    the thickness is around 25mm.

  6. 0 votes

    Yes, you can connect the output of the battery ... Read more

Only registered users are eligible to enter questions