- What can these panels actually power?
- Small loads: toy motors, LED demos, a 1.5V trickle charge. At 0.65W each, five panels together are still under 3.5W in full sun, so they will not charge a phone or a power station.
- Are they wired in series or parallel?
- Each panel comes with its own 145mm wire lead, so you decide. Wire them in series for higher voltage or parallel for more current.
- What is the actual voltage and current?
- The listing rates them at 1.5V and 0.65W, which works out to roughly 0.43A at peak. Real output will be lower under indoor light.
- Do I need a charge controller?
- For a single 1.5V cell or a toy, no. If you combine several panels to charge a battery, use a small controller to avoid overcharging.
- Is $17.49 a good price?
- That is about $3.50 per panel. Mini panels of this size usually sell for a few dollars each, so the price is fair for a five-pack but not a bargain.
- Where is the Unique Bargains 5Pcs 0.65W 1.5V Small Solar Panel Module DIY Polysilicon with 145mm Wire for Toys Charger cheapest?
- At Newegg, for $17.49, as of our latest check.
