Quantum Battery 1 for Rebuilding - Circuits Tested OK

Description

Quantum Battery 1 all ready for rebuilding.  Original SLA 3-cell battery pack has been removed which saves considerably on the shipping charges.  Needs new batteries. You can either make a 3-cell pack using the original 'D' style batteries from Hawker Energy (p/n 810-0004 2V @ 2.5Ah) or use a pack from Power Sonic PS-628 (6V @ 2.9Ah).  The Power Sonic solution will be the easiest as you will only need to solder the red and black wires to each tab on the pack while observing correct polarity, this is a TOTAL must. Case and stitching is in good overall condition.  Charger not included.  Test equipment shown in pictures not included.  Just the original case with the electronics are included and are sold AS-IS.
Here are the test results:
Checkout of Quantum Battery 1  -- July 9, 2021
Vin
(V DC)
Power ON
(Yel - LED)
Stop
(Red - LED)
⅓
(Grn - LED)
⅔
(Grn - LED)
1
(Grn - LED)
2
DIM
DIM
OFF
OFF
OFF
2.5
ON
ON
OFF
OFF
OFF
2.90
ON
Switches
OFF
OFF
OFF
OFF
No Change of LEDs from 2.94V until 5.7V
Same
Same
Same
Same
Same
5.96
ON
OFF
Switches
ON
OFF
OFF
6.14
ON
OFF
ON
Switches
ON
OFF
6.26
ON
OFF
ON
ON
ON
Notes:
Old SLA batteries unsoldered from red and black wires
Power supply connected to red and black wires previously connected to batteries
Power supply voltage slowly increased from near zero to 6.2V
Max current draw less than 20mA during test
Date code on both comparator ICs LM2903 1987, assume them to be original.
Sylvania thermal circuit breakers SB610C92H appear OK and are in their normally closed state during test, there are two, one for each output connection
No adjustments made to either 10-turn pot as the factory trip points are unknown to me