The Bixpy SUN45 Waterproof Solar Panel is the perfect companion to your Bixpy PP-77-AP Power Bank and PP-166 Power Station. With 45 watts of output from mono-crystalline cells, this solar panel will charge the Bixpy PP-77-AP Power Bank in 4 hours and PP-166 Power Station in 6 to 8 hours hours. NOTE: This solar panel will NOT charge other Bixpy Batteries and is specifically designed to charge the PP-77-AP Power Bank and PP-166 Power Station. * Batteries in any pictures above not included and sold separately.