KeepPower 18650 4000mAh Protected Rechargeable Li-ion Battery – P1840C

Bright Nite are an authorised dealer of all KeepPower products within Australia.
All products sold through Bright Nite are covered by KeepPower's manufacturer warranty.

Original price was: $34.95.Current price is: $29.95.

In stock

Live Count: Geelong Warehouse
10+ left in stock.

KeepPower 4000mAh 18650 protected li-ion rechargeable battery 3.6V P1840C (one unit)

  • Quality Protected Li-ion Rechargeable Battery
  • Size: 18650
  • Maximum Size:(D)18.6*(L)69.2mm(±0.2mm)
  • Nominal Voltage: 3.6V
  • Nominal Capacity: 4000mAh

Same day dispatch
2yr warranty
30 day returns
Free gift when cart over $75
Free gift when cart over $450
Aus Post Delivery Estimates
State Express Standard
VIC 1 business day 2 business days
ACT, NSW & SA 2 business days 3 business days
QLD & TAS 2 business days 4 business days
NT 4 business days 6 business days
WA 3 business days 5 business days
SKU: P1840C Categories: ,


  • Protected 18650 Li-ion Rechargeable Battery P1840C
  • Minimum Capacity: 3900mAh
  • Typical Capacity: 4000mAh
  • Normal Voltage: 3.6V
  • Standard Charging/Discharging current: 800mA
  • Maximum Charging current: 2A
  • Maximum Discharging current: 8A
  • Quality Li-ion rechargeable cell made in China
  • In Built Safety Circuitry
  • Protection Circuit (Against overcharge, over discharge, over current and short-circuit.)
  • 4.2 volts max voltage and 2.5 volts cut-off voltage
  • Over 500 charge-discharge cycles

Please note that Lithium-ion batteries can leak, cause fires, or explode when misused or when defective.

For your own safety, you must read these instructions and warnings before using or charging a Lithium-ion battery.

  • Please fully charge before first use.
  • Use only high quality chargers specifically designed for Lithium-ion batteries.
  • A Lithium-ion battery should NEVER be discharged below 2.5V.
  • NEVER exceed a battery’s maximum continuous discharge rating.
  • DO NOT short-circuit the battery, keep it away from loose change and metal objects.
  • DO NOT use a battery if there is abnormal smell, heat, deformities, or discoloration.
  • DO NOT crush, hit, impact or disassemble a battery.
  • DO NOT dispose of in fire, near fire or high temperature.(more than 60℃/140℉)
  • DO NOT expose in liquid such as water, seawater and soda.
  • If the electrolyte goes into eyes, please wash eyes with clean water immediately and go for a medical treatment.

Additional information

Weight .05 kg


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