Batteries & Enclosures

•     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

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

• Rated voltage: DC 7.4V
• Material: ABS
• Product certification: ROHS
• Size: 77.7mm X 40.21mm X 21.54mm

• 1.42V 
• 4.2V±0.05V
• 3.65±0.05V
• 4.35±0.05V

• 2000mA*1
• 1000mA*2
• 700mA*3
• 500mA*4

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

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

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

• 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

1. Solar panel charging input: charged by solar panel, DC-002 jack or screw terminal
2. USB charging input: charged by USB connection, connect a 5V power adapter through the Micro USB port
3. 5V/1A power output: provides regulated 5V/1A output, USB port or 2.54mm pinheader
4. Battery interfaces: for connecting 3.7V Li battery, Pstrong.0 connector or 14500 battery holder
5. CS8501: USB power management chip, for USB charging and 5V/1A boost output
6. CN3791: solar power management chip, for solar panel charging and buck input
7. Li battery protection chip: Li battery over charge / over discharge protection
8. Battery switch
9. MPPTSET switch (bottom side):
   supported level: 6V/9V/12V/18V/24V
   select the level closed to input level to improve charging efficiency
10. BOOT key
11. Battery capacity indicators
12. USB charging indicators:
    USB Charge: on when USB charging
    USB Done: on when the battery is full charged by USB
13. 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
14. Battery warning: on when battery reverse connection
15. Power output indicator: 5V/1A output

Application Example

Dimensions

Applicable solar panel: Solar Panel (6V 5W) or Solar panel 18V 10W

Need batteries? You will find our battery selection here

Wiki : www.waveshare.com/wiki/Solar_Power_Manager

Keeps your Pico running while recharging, monitoring battery status via I2C

• 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

1. ETA6003
   recharger chip
2. INA219
   voltage/current monitoring chip
3. S8261
   Li-ion battery protection chip
4. FS8205
   Li-ion battery protection MOS
5. AO3400
   reverse-proof MOS
6. SI2305
   counter current preventing MOS

7. Rapsberry Pi Pico header
   for direct attaching to Raspberry Pi Pico
8. Power switch
9. Activate button
   activate the protection circuit after replacing battery
10. 14500 battery holder

Pinout definition



Outline dimensions


What's in the box?

1 x UPS Module for Raspberry Pi Pico

Resources

WIKI: Pico-UPS-A

Need batteries? You will find our battery selection here

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.

• 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?

• 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).

• 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

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