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DIY DC 7.4V 2 Slot 18650 Battery Holder Battery Box With 2 Leads ROHS Certification (18650 twin battery holder)

This Lithium Ion Battery Holder has slots for two 18650 Li-Ion batteries, with simple bare connectors for integrating it into projects as a portable battery pack.

This provides greater power for electronic projects


Rated voltage: DC 7.4V
Material: ABS

Product certification: ROHS
Size: 77.7mm X 40.21mm X 21.54mm

What's in the box?

1 x 2 slot 18650 battery holder
R12.90  Inc VAT
4 x 5 18650 Battery Pack Spacer (18650 battery pack spacer)
Product name:Battery pack spacers
Material: ABS
Color: Black
Weight: 18g
Size: Approx. 103mm x 93mm x 8mm (L x W x H)

Made of ABS material, lightweight and durable
Fits 20 x 18650 batteries
Makes your battery pack Solid and Reliable!

Package Contents:
1 x Battery Holder spacer

More info on battery packs available at
R34.90  Inc VAT
Plastic Battery Case For 4 x 18650 Batteries (4x18650 battery box)

This Lithium Ion Battery Holder has slots for two 18650 Li-Ion batteries, with simple bare connectors for integrating it into projects as a portable battery pack.

This provides greater power for electronic projects


Battery type: 4 pcs 18650 Case Holder
18650 Battery Holder Case with 6 inch leads for soldering / connecting
Takes 4 standard size 18650 batteries side by side to form a compact battery of 3.7V rechargeables
Keep your batteries organized and protected
Batteries not included

Package includes:

1 x Battery Holder Case for 4 x 18650
R124.90  Inc VAT
Liitokala Lii-402 Micro USB DC 5V 4Slots 18650/26650/16340/14500 Battery Charger (4 bay battery charger)

Misusing or mishandling a lithium-ion battery may cause a FIRE or EXPLOSION which can result in INJURY or DEATH.


The LiitoKala Lii-402 Smart Charger for Lithium Ion and NiMH batteries is the perfect bench mate to keep your radios, robotics and flashlights running at peak efficiency. In a sea of endless chargers for sale, we have found one that will meet and exceed the needs of many consumers.

Product name: Liitokala Lii-402 Micro USB 4Slots Battery Charger
Input : Micro USB DC 5V/2A
Output: 1.42V
Current: 2000mA*1 1000mA*2 700mA*3 500mA*4
Constant voltage, cut-off current: less than 100mAh
Standby current: less than 15mAh

Compatible with:
3.7V Li-ion battery including

Size: 112mm x 90mm x 30mm (L x W x H)
Weight:  150 grams (incl. micro cable)

USB Output function
1. 0pen-circuit voltage of USB output : 4.9-5.3V; and the 4th slot is fixed for the USB discharge power source
2. Output current: 1000mAh
3. Open circuit current: <1mAh
4. The corresponding voltage is 4.75-5.25V under 1000mAh current
5. Cut-off voltage for discharge protection: 3.0±0.1V

You will need a power supply for this charger

What's in the box?

1 x Liitokala Lii-402 Micro USB 4Slots Battery Charger
1 x USB Cable
R399.90  Inc VAT
10M 0.12 x 8mm Nickel Plated Steel Sheet Strap Strip For Battery Spot Welding (10m nickel strip)

  • Material: Nickel and steel
  • Color: Silver
  • Length: 10 M
  • Width: 8 mm
  • Thickness: 0.12 mm

  • - Nickel plated steel sheet
  • - Low Resistance,corrosion resistance
  • - Excellent gloss,ductility,solderability
  • - Widely used in Ni-Mh battery, lithium battery,power tools,cellphone and pc batteries

Package includes:
1 X Nickel Plated Steel Sheet 10m
R219.90  Inc VAT
Solar Power Manager (C), Supports 3x 18650 Batteries, Multi Protection Circuits (WS solar manager 3x18650)

Compatible with 6V~24V solar panels, supports 3x 18650 batteries recharged from solar panel, or TYPE-C power adapter. 5V/3A regulated output.


Li-ion and Li-po batteries are quite unstable. They may cause fire, personal injury, or property damage, if they're not properly recharged or used.
Do not reversely connect the polarities when recharging or discharging the battery.
Do not use inferior charger/charging panel to recharge the battery.

Do not mix use old batteries with new ones, avoid using batteries of different brands.
When buying a Lithium battery, you should always make sure the battery specification is compatible with the expansion board. Choose batteries from formal manufacturers and ensure the batteries will work stably and safely by aging test.

Lithium batteries have limited cycle life, they will also deteriorate as time goes by. Should be replaced with new ones when the batteries reaching their max cycle life, or working over two years, whichever comes first.

Batteries should be stored carefully and properly, keep it away from inflammables and explosives articles, away from children, avoid any safety accident caused by careless storage.

Product features

The Solar Power Manager (C) is compatible with general 6V~24V solar panels. It can recharge the 18650 rechargeable Li-ion batteries through solar panel or USB TYPE-C connection, and provides 5V / 3A regulated output (with multi protocols support including PD/QC/FCP/PE/SFCP).

The module features MPPT (Maximum Power Point Tracking) function and multi protection circuits, therefore, it is able to keep operating with high-efficiency, stability, and safety. It is suitable for solar powered, low-power IoT, and other environmental protection projects.

  • Supports MPPT (Maximum Power Point Tracking) function, maximizing the efficiency of the solar panel.
  • Flexible battery recharging: from solar panel or USB TYPE-C power adapter.
  • Compatible with 6V~24V solar panels, DC-002 jack input or screw terminal input
  • Onboard MPPT SET switch, select the level closed to input level to improve recharging efficiency
  • Onboard aluminum electrolytic capacitor and SMD ceramic capacitor, reducing the ripple, stable performance
  • Embedded battery holder, supports 3x 18650 rechargeable Li-ion batteries
  • Several LED indicators, for monitoring the status of solar panel and battery
  • Multi protection circuits: over charge / over discharge / reverse-proof / over heat / over current, stable and safe to use

Supports 6V~24V solar panels

5-level voltage switch, for setting solar panel input voltage to improve efficiency 

3x 18650 batteries support

Embedded battery holder for rechargeable Li-ion batteries 

Application example

solar-powered control system for MCUs / development boards like:
Raspberry Pi / Jetson Nano / Arduino... 

Note: for reference ONLY, the Raspberry Pi, display, solar panel are NOT included. 

Resources introduction

  1. Solar panel input
    recharging through DC-002 jack or screw terminal
  2. TYPE-C recharging/output port
    supports 5V power adapter for recharging
    supports PD protocol quick charge adapter
    supports PD/QC/FCP/PE/SFCP multi protocols output
  3. USB output port
    5V/3A regulated output
    supports PD/QC/FCP/PE/SFCP multi protocols output
  1. Battery on/off switch
  2. BOOT button
  3. Quick charge indicator
  4. Solar panel status indicators
    Solar Warning: lights up if solar panel is reversed
    Solar Charge: lights up when recharging from solar panel
    Solar Done: lights up when the battery is fully recharged
  5. Battery life indicators

Outline Dimensions

What's in the box?

1 x solar manager

Resources & Services

R389.90  Inc VAT
Dual USB 5V 2.4A Type-C LED USB Mobile Power Bank 18650 Charging Module (mobile power bank charging)

This module is the perfect starting point if you are looking to build your own power bank.

This module is ideal for 18650 batteries, 65mm long with the flat top. In the event that you use:
  • old batteries
  • different capacities
  • differnet brands
Please ensure that they are at least above 3.5V each

Not ideal to be used on batteries that have been too far depleted.

After the battery is installed, plug in the charger to activate the battery before use.

The real world conversion rate of a new "real capacity" battery is about 80%. Because ther is a line loss of the connection line. Estimation of mixed batteries or "budget" batteries are near impossible to estimate.

For peak use, first allow the battery to fully discharge before charging it.

Note: Reversing the polarity of the battery will burn the module.


  • Switch Charging
  • Internal 2A charging current
  • Charging efficiency up to 90% @ 2A
  • Charging swtch frwquency 1MHz
  • Trickle/constant current/constant voltage three-stage charging
  • Charging current Adaptive adapter function
  • Charging current Temperature adjustment function, charging current automatically decreases with the increase of temperature
  • C/10 charging terminates
  • Intergrated charge overvoltage protection and battery overtemperature protection
  • Synchronous boost output 5.1V
  • Discharge switch frequency 50OKHz
  • Discharge efficiency up to 94%
  • Automatic identifiation of load, load automatically shut off
  • Original boost output heat regulation function
  • Protection of over current, short circuit, over voltage and over tepmperature of discharge module
  • Long press the switch, wake up the motherboard, charge the charging time of the phone, press the switch, the output can be turned off, the motherboards stops working.
  • MaIn board size: Thickness 9 * Width 25 * length 67 mm

What's in the box?

1 x Power bank type charging module
R99.90  Inc VAT
Lithium-Ion 18650FC-2600mAh Flat Cap 3.7V (18650 2600mAh battery)


Misusing or mishandling a lithium-ion battery may cause a FIRE or EXPLOSION which can result in INJURY or DEATH.

Pic is for illustration purposes only. The actual product might look different.


18650FC 3.7V Li-Ion battery with 2600mAh and is rechargable.


  • Model: 18650
  • Type: Li-Ion Battery
  • Nominal Capacity: 2600mah (3
  • Nominal Voltage: 3.7v 
What's in the box

1 x 18650 Li-ion battery
R89.90  Inc VAT
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