18v nimh battery charger
96570
Solar Cell - Preventing overcharge of an NiMH battery
87422
Powering 12V device from 5/9/12V powerbank
23833
Can I use a power adapter with more current but lower voltage on another laptop?
139397
Charge controller for Li-ion or Li-Polymer battery
74983
Why are Alkaline, NiMH, and Li-ion AA measured differently (mAh, mWh, etc)?
75507
how a battery behaves in parallel to the charger with a shared load but with a voltage difference
68228
18V from printer USB port. Is that normal?
144115
Replacing NiMH with Li ion
86750
Is it safe to replace a 4400mAh laptop battery with a 8800mAh battery?
37100
Using a higher current charger on a laptop which requires a lower current
106598
Is it safe to connect battery in series with wall adapter?
71029
How do I select a non-OEM charger for my device?
50787
Splice high current charge source into USB cable?
101977
Could I replace headphones NIMH battery with Lithium Ion phone battery of the same voltage?
10649
Adding mAh when wiring battery cells in series?
7362
Laptop power supplies, does current matter?
91109
Battery chargers that can recharge disposable batteries. How do they work and are they safe?