Comments on: Lithium Ion Charge Controller Performance https://blog.voltaicsystems.com/lithium-ion-charge-controller/ Solar Tutorial and DIY Solar Guides Tue, 25 Feb 2020 17:44:25 +0000 hourly 1 By: Voltaic Systems https://blog.voltaicsystems.com/lithium-ion-charge-controller/#comment-103414 Thu, 01 Nov 2018 12:56:09 +0000 http://80ca4ebf1c.nxcli.io/?p=9619#comment-103414 In reply to Solar_lover.

You certainly do not need MPPT. The Adafruit charger does not have MPPT and it works well as do our current versions of the V15 and V44. What we show is that the MPPT outperforms the non-MPPT charger in some situations, but often adds some cost and complexity as well. It very much depends on your design constraints (space, power consumption, cost).

]]> By: Solar_lover https://blog.voltaicsystems.com/lithium-ion-charge-controller/#comment-103409 Thu, 01 Nov 2018 06:01:45 +0000 http://80ca4ebf1c.nxcli.io/?p=9619#comment-103409 Do we really need a dedicated solar power charger (like MPPT) to charge the lithium battery? Can we use a normal lithium battery charger to charge it? I guess there are differences in terms of efficiency?

]]> By: Voltaic Systems https://blog.voltaicsystems.com/lithium-ion-charge-controller/#comment-98462 Fri, 08 Jun 2018 15:18:57 +0000 http://80ca4ebf1c.nxcli.io/?p=9619#comment-98462 In reply to Pierre.

data points lithium chargers

]]> By: Pierre https://blog.voltaicsystems.com/lithium-ion-charge-controller/#comment-98445 Thu, 07 Jun 2018 21:25:39 +0000 http://80ca4ebf1c.nxcli.io/?p=9619#comment-98445 Hi,
Excellent article thank you very much !
Would it be possible to have the raw values you collected and used to draw the graphs above?
Thanks again!

]]> By: Kurtis Unger https://blog.voltaicsystems.com/lithium-ion-charge-controller/#comment-97615 Wed, 18 Apr 2018 07:55:16 +0000 http://80ca4ebf1c.nxcli.io/?p=9619#comment-97615 Excellent article! Thanks Voltaic!
Adding further to the info, the MCP73871 comes in at around $2, the BQ24650 at $3.5 and the LT3652 at $5.5 in volume. So for those designing custom boards the additional cost of the BQ might be worth it.
Definitely food for thought when designing our next low cost IOT device.

]]>