Model / Input  Appearance  Output (AC)  Output (USB)  Comments 
RYi120A
(1) Ryobi 18v Battery OR 12v Car Adapter 




RYi150BG
(1) Ryobi 18v Battery 




RYI150CVNM
(1) Ryobi 18v Battery 




RYI8030AVNM
(1) Ryobi 18v Battery OR 12v Car Adapter OR direct to 12v car battery 




RYi300BG
(1) Ryobi 40v Battery 




RYi1802B6
14 Ryobi 40v Batteries 



Device  Measurement  No Load  1x 10 Ohm (~2.5W Load) 
2x 10 Ohm (~5W Load) 
4x 10 Ohm (~10W Load) 
5x 10 Ohm (~12.5W Load) 
Anker A2620 (Mini USB Wall charger) 
volts out  5.08v  4.98v  4.87v  4.75v  4.69v 
amps out  0A  0.500A  0.950A  1.749A  2.053A  
watts out  0W  2.49W  4.63W  8.31W  9.63W  
watts in  0W  3.10W  5.70W  10.6W  12.8W  
% Efficiency  80%  81%  78%  75%  
Ryobi P743 Power Source 
volts out  4.99v  4.89v  4.83v  4.71v  4.50v 
amps out  0A  0.491A  0.944A  1.789A  2.087A  
watts out  0W  2.40W  4.56W  8.43W  9.39W  
watts in  0.41W  3.06W  5.90W  11.15W  12.76W  
% Efficiency  78%  77%  76%  74%  
Ryobi OP403 40v Charger with USB port 
volts out  5.00v  4.96v  4.89v  4.77v  4.71v 
amps out  0A  0.483A  0.951A  1.668A  2.008A  
watts out  0W  2.40W  4.65W  7.96W  9.46W  
watts in  0.42W  4.16W  7.06W  11.62W  13.68W  
% Efficiency  58%  66%  68%  69%  
Ryobi RYi150BG 150W MSW Inverter 
volts out  5.11v  4.95v  4.79v  4.55v  4.46v 
amps out  0A  0.490A  0.934A  1.660A  1.943A  
watts out  0W  2.43W  4.47W  7.55W  8.67W  
watts in  3.72W  6.20W  8.66W  12.74W  14.36W  
% Efficiency  39%  52%  59%  60%  
Ryobi RYi300BG 300W Pure Sine Inverter 
volts out  5.13v  5.00v  4.89v  4.72v  4.63v 
amps out  0A  0.495A  0.954A  1.676A  2.037A  
watts out  0W  2.48W  4.67W  7.91W  9.43W  
watts in  7.44W  10.21W  13.06W  17.52W  19.55W  
% Efficiency  24%  36%  45%  48% 