Print PDF
Favorite
Email
Step 3Exact Size is everything ! Mods for Length and "slugs/springs"
STEPS:
1) Layout the original old "dead" cells you have at home
2)Adjust wrapped (width modded) replacement cells for required appliance voltage and lengths. Use Tape or re-size with household paper/foam etc.
NOTE:Alkaline cells are 1.5V and NiMH rechargables 1.2v ea. avg.
3)Please be aware Lithium cells are 3v and some LiPo packs are 3.7v...adjust accordingly! if using 1.5v alkalines.
4)Modify legths from chart. Measure and use nuts, springs or even remove original springs or spacers from flashlight/radio bases & use higher voltages for brighter (rated) bulbs. Most devices tolerate slightly higher voltages as battery packs voltage rated are not "under load" so internal resistance will limit voltages.
NOTE: Some battery sizes are EXACT matches for lengths:
Use 2x 1/2D for full D cell
4xC for 3xD cells....etc...
3xAA or 4xAA packs for multi D cell (parallel)
Bulbs are rated for number of CELLS and not voltage so note the recommended ratings
TIP: Specialized Series and Parallel adapters can get voltages above 12-15v for devices originally sized for 3-4 "D" cells by using multiple 1.2v NiMH or high power 3.7v LiPO battery chemistry as direct replacements for AA/C & D cells.
5) Keep sizes on hand or in car/boat. Specialized adaptors for Lantern sized, D, C and CR123 cells can often be made from cheaper but smaller AA cells!
Tip: Pry open 9v cells and find 6-9 AAA or 'button' dry cells!
These vary by maker but are useful in a pinch for watches, toys or other devices when only a 9v is avail but require AA/AAA or coin type batteries!
1) Layout the original old "dead" cells you have at home
2)Adjust wrapped (width modded) replacement cells for required appliance voltage and lengths. Use Tape or re-size with household paper/foam etc.
NOTE:Alkaline cells are 1.5V and NiMH rechargables 1.2v ea. avg.
3)Please be aware Lithium cells are 3v and some LiPo packs are 3.7v...adjust accordingly! if using 1.5v alkalines.
4)Modify legths from chart. Measure and use nuts, springs or even remove original springs or spacers from flashlight/radio bases & use higher voltages for brighter (rated) bulbs. Most devices tolerate slightly higher voltages as battery packs voltage rated are not "under load" so internal resistance will limit voltages.
NOTE: Some battery sizes are EXACT matches for lengths:
Use 2x 1/2D for full D cell
4xC for 3xD cells....etc...
3xAA or 4xAA packs for multi D cell (parallel)
Bulbs are rated for number of CELLS and not voltage so note the recommended ratings
TIP: Specialized Series and Parallel adapters can get voltages above 12-15v for devices originally sized for 3-4 "D" cells by using multiple 1.2v NiMH or high power 3.7v LiPO battery chemistry as direct replacements for AA/C & D cells.
5) Keep sizes on hand or in car/boat. Specialized adaptors for Lantern sized, D, C and CR123 cells can often be made from cheaper but smaller AA cells!
Tip: Pry open 9v cells and find 6-9 AAA or 'button' dry cells!
These vary by maker but are useful in a pinch for watches, toys or other devices when only a 9v is avail but require AA/AAA or coin type batteries!
| « Previous Step | Download PDFView All Steps | Next Step » |
 |
Add Comment
|
