lithium ion and polymer battery charge management board
https://makerbazar.in/products/12-6v-bms-3s-20a-18650-lithium-battery-management-board
Posts
best solar battery charge controller to choose PWM vs MPPT
PWM (pulse width modulation) and MPPT (maximum power point tracking) MPPT is best as it converts the excess voltage into more current, so we get more power. 30% extra efficiency than PWM costly gets heated. noisy not good for hot or cold areas and when difference between input and output voltage requirement difference is too low.
Charging laptop from solar panels - answer from quora by
https://www.quora.com/Has-anyone-tried-setting-up-solar-setup-for-Laptop-Mobile-charging they are asking to connect the pannel directly to laptop Rassull Himarallah Andre Lotz
