- Idea to use up used 123 cells
- World's Smallest Fuel Cell, by Toshiba
- Bench power supply repair
- Picture of Pila/Wolfeye proctection circuit?
- High current battery options?
- Electrical Engineering Course for CPF members
- Smart charger for 7.2V NiMH 4000mH battery pack
- TINY 4.5v 1w driver
- Do european cars use 12v cig lighters plugs?
- Do Best Chargers Use Pulsed DC?
- Current draw discrepancies
- CPF University - EE Course - Class in session!
- Missing parts in new 5w nuwai (WARNING BIG PICTS)
- Recharging alkalines
- Lithium (Pila) Battery charging question
- JSB 123 Li-Ion news *DELETED*
- AC/DC LED circuit
- CPF University: EE Course (Lessons)
- Sub C 3600mAh? Is that true?
- New charger from Maha
- Transistor based Step Up Circuits
- rechargeable 123 question
- I know this is the wrong area, but .........
- % of Various Cells Used?
- # of Contacts In Flashlights?
- BatteryStation L91 "clone"
- Vacuum seal batteries?
- DD Lux3 at 6v?
- Another CR123 Comparison
- Charging Batteries--Serial or Parallel?
- alkalines or rechargeables in 30mw greenie?
- how are the unversal litium 123s?
- soldering leads to a board?
- What's a good power supply to get?
- New battery type.
- Rejuvenating a damaged battery
- Eight 2100mah Energizers for $15.84
- Maybe OT: Energizer ER-GUM1 closeout at Best Buy
- HELP: Streamlight Jr Luxeon Circuit **BIG PICTS**
- PILAs: Contradictory instructions
- Battery internal resistance
- Variable light output
- 15min NIMH rechargeables
- Will the LM334 circuit work?
- NiMH -- Nicad user lore
- Replacing bad cells in a working set
- Computerized Battery Analyzer
- 3AAA holders?
- cheapsih smart battery charger
- Built my first boost circuit, yay! But...