LEGO 9669 Energy Storage is a Education set currently valued at $36 for new and sealed sets. Annual appreciation has averaged 1.57% since release. On the used market, values range from $27 to $31 based on condition.

Set Value (New/Sealed)

This chart represents the current new/sealed value of the set Energy Storage since June 2016. Very high accuracy
LEGO 9669 Energy Storage is an Education Mindstorms set released in 2010, containing 1 piece. It consists of a rechargeable NiMH battery unit designed to connect with the 9668 Energy Display, together forming the LEGO Energy Meter. The battery has a storage capacity of 150 mAh and was produced as an education accessory for energy-related classroom activities. Known versions include dark bluish gray and light bluish gray 9V rechargeable battery box elements for the Energy Display.

A new and sealed Energy Storage is currently valued at around $36, with annual growth of approximately 1%, which is lower than other Mindstorms sets. The average used price is $30 for those in good overall condition. Based on current trends, this set could be valued near $36 within the next year.

For Sale (New/Sealed)

(HU) BrickLink store Bubul Chrome parts $34.70
-3.2%
(US) Amazon listing for Energy Storage $37.65
+5.0%
(HU) BrickLink store brick350 $42.28
+17.9%

Sale Trends

This chart shows the sales trends (number sold) of new/sealed 9669 Energy Storage.

Sets in Education / Mindstorms

45570 Space Challenge Set

Theme / Subtheme Education / Mindstorms
Year 2014
Pieces 1,417
Availability Retired
45570 LEGO Education Mindstorms Space Challenge Set
Retail $254.95
Value $467.67
Growth  +83.4%
Annual growth 5.4%

9594 Green City Challenge Set

Theme / Subtheme Education / Mindstorms
Year 2011
Pieces / Minifigs 1,365 / 1
Availability Retired
9594 LEGO Education Mindstorms Green City Challenge Set
Retail $245.99
Value $250.40
Growth  +1.8%
Annual growth 1.0%

45560 Education EV3 Expansion Set

Theme / Subtheme Education / Mindstorms
Year 2013
Pieces 853
Availability Retired
45560 LEGO Mindstorms Education EV3 Expansion Set
Retail $99.95
Value $180.00
Growth  +80.1%
Annual growth 3.6%

9793 Team Challenge Set with Serial Transmitter

Theme / Subtheme Education / Mindstorms
Year 2003
Pieces 833
Availability Retired
9793 LEGO Education Mindstorms Team Challenge Set with Serial Transmitter
Retail $199.99
Value $221.48
Growth  +10.7%

9794 Team Challenge Set with USB Transmitter

Theme / Subtheme Education / Mindstorms
Year 2003
Pieces 831
Availability Retired
9794 LEGO Education Mindstorms Team Challenge Set with USB Transmitter
Retail $199.99
Value $202.71
Growth  +1.4%

9695 LEGO Mindstorms Education Resource

Theme / Subtheme Education / Mindstorms
Year 2010
Pieces 821
Availability Retired
9695 LEGO Mindstorms Education Resource
Retail $99.95
Value $337.86
Growth  +238.0%
Annual growth 5.2%

9790 ROBOLAB Team Challenge Set

Theme / Subtheme Education / Mindstorms
Year 1999
Pieces 725
Availability Retired
9790 LEGO Education Mindstorms ROBOLAB Team Challenge Set
Retail $199.99
Value $215.85
Growth  +7.9%

45544 Education EV3 Core Set

Theme / Subtheme Education / Mindstorms
Year 2013
Pieces 541
Availability Retired
45544 LEGO Mindstorms Education EV3 Core Set
Retail $339.95
Value $529.96
Growth  +55.9%
Annual growth 4.3%

9785 Robo Technology Set with Serial Transmitter

Theme / Subtheme Education / Mindstorms
Year 2003
Pieces 219
Availability Retired
9785 LEGO Education Mindstorms Robo Technology Set with Serial Transmitter
Retail $149.99
Value $335.15
Growth  +123.4%
Annual growth 3.6%

9786 Robo Technology Set with USB Transmitter

Theme / Subtheme Education / Mindstorms
Year 2003
Pieces 217
Availability Retired
9786 LEGO Education Mindstorms Robo Technology Set with USB Transmitter
Retail $149.99
Value $265.86
Growth  +77.3%
Annual growth 2.5%

5003246 EV3 Track Rubber Elements

Theme / Subtheme Education / Mindstorms
Year 2015
Pieces 30
Availability Retired
5003246 LEGO Education Mindstorms EV3 Track Rubber Elements
Retail $19.99
Value $21.55
Growth  +7.8%

2000704 Mindstorms Education LME Replacement Pack 5

Theme / Subtheme Education / Mindstorms
Year 2015
Pieces 24
Availability Retired
2000704 LEGO Mindstorms Education LME Replacement Pack 5
Retail $12.95
Value $13.90
Growth  +7.3%
Annual growth 1.3%

45514 Cable Pack

Theme / Subtheme Education / Mindstorms
Year 2013
Pieces 7
Availability Retired
45514 LEGO Education Mindstorms Cable Pack
Retail $14.99
Value $21.23
Growth  +41.6%
Annual growth 2.7%

9581 LEGO USB Hub

Theme / Subtheme Education / Mindstorms
Year 2009
Pieces 1
Availability Retired
9581 Education Mindstorms LEGO USB Hub
Retail $44.99
Value $49.80
Growth  +10.7%
Annual growth 1.8%

9583 Motion Sensor

Theme / Subtheme Education / Mindstorms
Year 2009
Pieces 1
Availability Retired
9583 LEGO Education Mindstorms Motion Sensor
Retail $19.99
Value $22.83
Growth  +14.2%
Annual growth 4.0%

9584 Tilt Sensor

Theme / Subtheme Education / Mindstorms
Year 2009
Pieces 1
Availability Retired
9584 LEGO Education Mindstorms Tilt Sensor
Retail $19.99
Value $22.02
Growth  +10.2%
Annual growth 5.4%

9667 LEGO Solar Panel

Theme / Subtheme Education / Mindstorms
Year 2010
Pieces 1
Availability Retired
9667 Education Mindstorms LEGO Solar Panel
Retail $39.99
Value $54.87
Growth  +37.2%
Annual growth 6.0%

9668 Energy Display

Theme / Subtheme Education / Mindstorms
Year 2010
Pieces 1
Availability Retired
9668 LEGO Education Mindstorms Energy Display
Retail $59.99
Value $136.02
Growth  +126.7%
Annual growth 5.2%

9670 E-Motor

Theme / Subtheme Education / Mindstorms
Year 2010
Pieces 1
Availability Retired
9670 LEGO Education Mindstorms E-Motor
Retail $27.95
Value $39.34
Growth  +40.8%
Annual growth 2.5%

9917 DCP Sensor Connector Cable

Theme / Subtheme Education / Mindstorms
Year 2000
Pieces 1
Availability Retired
9917 LEGO Education Mindstorms DCP Sensor Connector Cable
Retail $59.00
Value $66.09
Growth  +12.0%

2005544 Education EV3 Design Engineering Projects

Theme / Subtheme Education / Mindstorms
Year 2016
Availability Retired
2005544 LEGO Mindstorms Education EV3 Design Engineering Projects
Retail $149.99
Value $270.01
Growth  +80.0%
Annual growth 6.1%

45501 DC Rechargeable Battery

Theme / Subtheme Education / Mindstorms
Year 2013
Availability Retired
45501 LEGO Education Mindstorms DC Rechargeable Battery
Retail $84.99
Value $133.99
Growth  +57.7%
Annual growth 3.5%

45515 Bluetooth Dongle

Theme / Subtheme Education / Mindstorms
Year 2013
Availability Retired
45515 LEGO Education Mindstorms Bluetooth Dongle
Retail $29.99
Value $30.00
Growth  +0.0%

45516 WiFi Dongle

Theme / Subtheme Education / Mindstorms
Year 2013
Availability Retired
45516 LEGO Education Mindstorms WiFi Dongle
Retail $29.99
Value $30.00
Growth  +0.0%
This NiMH battery with connector is designed to be combined with the 979668 [9668-ed.] Energy Display. When combined, the two elements form the LEGO®  Energy Meter<. Storage capacity: 150 mAh.
Description provided by LEGO©