Adafruit Universal USB / DC / Solar Lithium Ion/Polymer charger [bq24074] : ID 4755 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com : LiFePO4 Lithium Battery Charger Module MPPT Solar Panel Controller 1A 12V Module for Car Battery Charging Solar Battery Charging : Patio, Lawn & Garden
Lion Energy 12V Lithium Battery 210Ah Solar Power System with Inverter
USB / DC / Solar Lithium Ion/Polymer charger [Rev C] : ID 390 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits