Batteries & Enclosures
Features
- Custom made to deliver power from 9V battery to DC socket (2.1mm)
- One end is 2.1mm DC jack (center positive) and another end is snap for 9V battery
- Cable length ~ 12cm
- Hard plastic I-type connector
- 5.5 x 2.1mm connector
- 15cm stripped and tinned leads,
- 1 red and 1 black for easy identification and soldering Snap-on terminal connector for 9-volt battery or for DIY project
What's in the box?
1 x 9V Battery Connector to DC Jack Arduino
This battery box is designed for use as a nice switchable, portable power pack, and fits any two alkaline or rechargeable AA batteries in series. The body is moulded in black ABS Resin and has a slide on detachable lid which can be locked for extra security through use of a small provided screw. Connection is via two flexible stranded red (positive) & black (negative) 26AWG wire leads, which are approximately 150mm in length.
- Battery Cell Size AA
- Number of Cells 2
- NO switch
- Body Material ABS Resin
- Height 19.0 mm, Length 68.0 mm, Width 33.0 mm
- Terminal Type Wire Lead
- Type Battery Box
- Weight 0.01900 kg
What's in the box?
1 x battery box
Need batteries? You will find our battery selection here
This battery box is designed for use as a nice switchable, portable power pack, and fits any four alkaline or rechargeable AA batteries in series. The body is moulded in black ABS Resin and has a slide on detachable lid which can be locked for extra security through use of a small provided screw. It even includes a very useful miniature on-off slide switch which is very handy for wiring to projects that don't have a switch! Connection is via two flexible stranded red (positive) & black (negative) 26AWG wire leads, which are approximately 150mm in length.
- Battery Cell Size AA
- Number of Cells 4
- Body Material ABS Resin
- Height 19.0 mm, Length 69.0 mm, Width 64.5 mm
- Terminal Type Wire Lead
- Type Battery Box
- Weight 0.03300 kg
What's in the box?
1 x switched battery box
Need batteries? You will find our battery selection here
Power supply for dc projects.
With DC05 power supply jack
Cable Length: 12cm
Specifications:
- Voltage: 9V
- Material: Plastic
- Power: 6 x 1.5V AA batteries
- Color: Black
- Net weight: 25g
What's in the box?
1x Battery case with DC2.1 power jack
Need batteries? You will find our battery selection here
12 Volt 1.2Ah Lead Acid Battery
Ideal for robotics and hobby related projects.
Specifications:
Housing size: 95mm x 42mm x 52mm
Weight 510mg
What's in the box?:
1 x Sealed Lead Acid Battery
This provides greater power for electronic projects
Features
- 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
Need batteries? You will find our battery selection here
Product name:Battery pack spacers
Material: ABS
Color: Black
Weight: 18g
Size: Approx. 103mm x 93mm x 8mm (L x W x H)
Features:
Made of ABS material, lightweight and durable
Fits 20 x 18650 batteries
Makes your battery pack Solid and Reliable!
What's in the box?
1 x Battery Holder spacer
More info on battery packs available at https://www.youtube.com/watch?v=hwhqn4BmC2I
Need batteries? You will find our battery selection here
12 Volt 7Ah Lead Acid Battery
Ideal for robotics and hobby related projects.
Specifications:
Housing size: 150mm x 65mm x 100mm
Weight 1982mg
What's in the box?
1 x Lead cell battery
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.
Specifications
Product name: Liitokala Lii-402 Micro USB 4Slots Battery Charger
Input : Micro USB DC 5V/2A
Output
- 1.42V
- 4.2V±0.05V
- 3.65±0.05V
- 4.35±0.05V
Current
- 2000mA*1
- 1000mA*2
- 700mA*3
- 500mA*4
Constant voltage, cut-off current: less than 100mAh
Standby current: less than 15mAh
Compatible with
Ni-MH/Cd
AA/AAA/A/SC Sizes
3.7V Li-ion battery including
26650,22650,26500,18650,18490,17670,17500,16340,14500,10440
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
1 x Liitokala Lii-402 Micro USB 4Slots Battery Charger
1 x USB micro B male to USB A male Cable
You will also need.....
power supply for this charger
Perfect for soldering, perfect for robotic ,electronic, and restoration projects.
It can hold two CR2032 coin batteries.
Features:
Output: 6V
Color: Black
Model: For CR2032 x 2
What's in the box?
1 x CR2032 Battery enclosure (Batteries not included)
Need batteries? You will find our battery selection here
This LilyPad Coin Cell Battery Holder has a small slide switch installed on the board, in-line with the power so you can shut off your project and save batteries. This slide switch is the same as is found on the LilyPad slide switch board, so it's not easy to accidentally turn off or on.
Just like the original Coin Cell Battery Holder, this simple board holds a 20mm coin cell battery (such as a CR2032) and gives you 4 connection points (two positive and two negative) for sewing into your project.
Package Includes:
1 x LilyPad Coin Cell Battery Holder CR2032 Battery Mount Module
Need batteries? You will find our battery selection here
This board has AAA battery clips but can use an input from 1.2V to 5V.
LilyPad is a wearable e-textile technology developed by Leah Buechley and cooperatively designed by Leah and SparkFun. Each LilyPad was creatively designed to have large connecting pads to allow them to be sewn into clothing. Various input, output, power, and sensor boards are available. They're even washable - but be sure to remove the battery!
What's in the box?
1 x LilyPad Power Supply Converter Module AAA Battery Step up to 5V
Need batteries? You will find our battery selection here
As micro:bit is gaining traction in this region, powering it is a must :)
If you are new to micro:bit, it is a powerful embedded platform or microcontroller board with easy to get started features, even easier than Arduino. It can be powered by USB micro B when loading the program, or you can use 2 x AAA batteries. So here comes the battery holder for this microcontroller.
This is a 2 x AAA battery holder for micro:bit with cover and ON/OFF slide switch. Neat!
Note: Battery & micro:bit is not included.
Features
- Terminated with 2-way JST connector, match with battery input on
- micro:bit
- Holder for 2 x AAA batteries
- ON/OFF slide switch
- Comes with cover
What's in the box?
1 x Battery Holder with On/Off Switch
Need batteries? You will find our battery selection here
DO NOT put any non-rechargeable battery, like dry cell, into the battery holder. Serious consequences including explosion may occur if you try to charge a non-rechargeable battery.
SAFETY MEASUREMENTS:
- 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 Lithium battery, should always make sure the battery specification is compatible with the expansion board. Choose batteries from formal manufacturer, 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.
- Should be placed carefully and properly, keep it away from inflammables and explosives articles, away from children, avoid any safety accident caused by careless storage.
Overview
This solar power management module is designed for 6V~24V solar panel. It can charge the 3.7V Li battery through solar panel or USB connection, and provides 5V/1A regulated output.
The module features MPPT (Maximum Power Point Tracking) function and multi protection circuits, therefore, it is able to keep working with high-efficiency, stability, and safety. It is suited 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
- Supports solar panel / USB connection battery charging
- For 6V~24V solar panel, DC-002 jack input or screw terminal input
- Onboard MPPT SET switch, select the level closed to input level to improve charging efficiency
- Two 5V output interfaces: pinheaders and USB port
- Onboard high capacity aluminum electrolytic capacitor and SMD ceramic capacitor, reducing the ripple, stable performance
- 14500 battery holder and Pstrong.0 battery connector, for connecting multi kinds of 3.7V Li battery
- Several LED indicators, for monitoring the status of solar panel and battery
- Multi protection circuits: over charge / over discharge / reverse protection / over heat / over current, stable and safe to use
Specifications
- Solar panel input voltage (SOLAR IN): 6V~24V
- Micro USB input voltage (USB IN): 5V
- Pinheader / USB output (USB OUT): 5V 1A
- Charging cutoff voltage: 4.2V±1%
- Over discharging protection voltage: 2.9V±1%
- Solar panel charge efficiency:: ~78%
- USB charge efficiency:: ~82%
- 3.7V battery boost output efficiency: ~86%
- Max quiescent current: <2mA
- Operating temperature: -40℃~85℃
- Dimension: 65.2mm × 56.2mm × 22.9mm
What's on Board

- Solar panel charging input: charged by solar panel, DC-002 jack or screw terminal
- USB charging input: charged by USB connection, connect a 5V power adapter through the Micro USB port
- 5V/1A power output: provides regulated 5V/1A output, USB port or 2.54mm pinheader
- Battery interfaces: for connecting 3.7V Li battery, Pstrong.0 connector or 14500 battery holder
- CS8501: USB power management chip, for USB charging and 5V/1A boost output
- CN3791: solar power management chip, for solar panel charging and buck input
- Li battery protection chip: Li battery over charge / over discharge protection
- Battery switch
- MPPTSET switch (bottom side):
supported level: 6V/9V/12V/18V/24V
select the level closed to input level to improve charging efficiency - BOOT key
- Battery capacity indicators
- USB charging indicators:
USB Charge: on when USB charging
USB Done: on when the battery is full charged by USB - Solar panel charging indicators:
Solar Charge: on when solar panel charging
Solar Done: on when the battery is full charged by solar panel
Solar Warning: on when solar panel reverse connection - Battery warning: on when battery reverse connection
- Power output indicator: 5V/1A output


1 x Solar Power Management Module
You might also need....
Applicable solar panel: Solar Panel (6V 5W) or Solar panel 18V 10W
Need batteries? You will find our battery selection here
Resources
Uninterruptible Power Supply for Pico
Keeps your Pico running while recharging, monitoring battery status via I2C
The Pico-UPS-A is a dedicated UPS (Uninterruptible Power Supply) module designed for Raspberry Pi Pico. It incorporates Li-ion battery switching charger with power path management, and voltage/current monitoring chip, allows monitoring the battery operating status via I2C bus.
- Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series boards
- Incorporates Li-ion battery switching charger with dynamic power path management, more stable power supply
- I2C bus communication, monitoring the battery voltage, current, power, and remaining capacity in real time
- Multi battery protection circuits: over charge/discharge protection, over current protection, short circuit protection, and reverse protection, along with the equalizing charge feature, more safe and stable
- Onboard recharging indicator, power indicator, and battery warning indicator to check if the battery is connected correctly
- Comes with development resources and manual (Raspberry Pi Pico C/C and MicroPython examples)
Specifications
- Recharge voltage: 5V
- Control bus: I2C
- Battery support: 14500 Li-ion battery (NOT included)
- Dimensions: 60 × 21mm
Raspberry Pi Pico header compatibility
onboard female pin header for direct attaching to Raspberry Pi Pico
Raspberry Pi Pico and Li-ion battery are NOT included.
What's On Board
- ETA6003
recharger chip - INA219
voltage/current monitoring chip - S8261
Li-ion battery protection chip - FS8205
Li-ion battery protection MOS - AO3400
reverse-proof MOS - SI2305
counter current preventing MOS
- Rapsberry Pi Pico header
for direct attaching to Raspberry Pi Pico - Power switch
- Activate button
activate the protection circuit after replacing battery - 14500 battery holder

Outline dimensions

What's in the box?
1 x UPS Module for Raspberry Pi Pico
Resources
Duracell Rechargeable AAA 900mAh batteries let you charge 100's times and with a Long-Life Ion Core you get amazing power in every battery. Plus, they come pre-charged so you can power your devices right away and will stay charged for up to 12 months, when not in use. Additionally, unused Duracell Rechargeable AAA 900mAh batteries are guaranteed to last 5 years. These powerful NiMH batteries work in any NiMH charger. With a longer-lasting charge and fewer recharges, Duracell Rechargeable AAA 900mAh batteries really do set themselves apart from the rest.
Features- Long-lasting power, charge after charge
- Up to 400 of recharges
- 50 hours in a wireless mouse
- Up to 275 pictures with a digital camera
- 900 mAh
What's in the box?
4 pack AAA Recharge Battery
You might also need a battery charger
Duracell Recharge Ultra AA batteries are our #1 longest-lasting per charge* and let you charge 400 times. With a Long-Life Ion Core you get amazing power in every battery. Plus, they come pre-charged so you can power your devices right away and will stay charged for up to 12 months, when not in use. Additionally, unused Duracell Recharge Ultra batteries are guaranteed to last 5 years. These powerful NiMH batteries work in any NiMH charger. With a longer-lasting charge and fewer recharges, Duracell Recharge Ultra AA batteries really do set themselves apart from the rest.
DISCOVER DURACELL RECHARGE ULTRA AA
In a life full of energy you don’t want to be stopped. That’s why you use rechargeable batteries that quickly recharge themselves, you and your devices. But what if a simple recharge is not enough for your energy needs? What if you want the best performance from your high-drain devices like a digital camera or a wireless game controller? For those needs there are Duracell Recharge Ultra batteries. They last 85% longer per charge*. Duracell’s Duralock technology prevents them from losing power, so your batteries stay charged for up to 1 year (when not in use) and they last for 5 years guaranteed. Additionally, Duracell Recharge Ultra batteries are sold pre-charged so you can relax and power your devices right away. Powerful, isn’t it?
Features- Long-lasting power, charge after charge
- Up to 400 of recharges
- Up to 25 hours in a wireless game controller
- Up to 535 pictures with a digital camera
- 2500 mAh
What's in the box?
4 x AA batteries
You might also need a battery charger
Duracell Specialty alkaline MN21 batteries – long lasting power for your devices. Duracell Specialty batteries have up to 5 years of in-storage guarantee with Duralock Power Preserve technology so you can be confident these alkaline batteries will be ready when you need them. They are designed for use in Wireless remote controls, wireless doorbells, security systems (alarms, locators).
Features- Long-lasting power, guaranteed
- Duralock
- Easy to find right size
- 12V Alkaline
- Long Lasting Specialty, Coin And Button Batteries
Duracell offers a wide range of specialty batteries (coins, buttons, and specialty batteries). Avaliable in a variety of sizes to power a wide range of devices, from electronics to medical devices and small toys.
What's in the box?
2 x MN21 batteries
Coin CR2450 Lithium Battery
- Lithium coin cells are used in watches, cameras, and computer memory applications
- For use with the Sonoff Zigbee range
- Dimensions 24mm x 5.0mm
What's in the box?
1 x CR2450 coin battery
Mecer 850VA OFF-LINE UPS (with AVR,Monitoring Software Cable & Built-in Surge Protection) - Black
Features:
- 850VA line interactive UPS
- Microprocessor control guarantees high reliability
- Boost and buck AVR for voltage stabilization
- Auto restart while AC is recovering
- Simulated sine wave
- Off-mode charging
- Cold start function
- USB communication port and RJ-11/RJ-45 protection
- Overload, discharge, and overcharge protection