FAQs
Do es t h e 4 0 0 W S ol ar P an el gen erat e a full 4 0 0 W of p owe r?
In m o st cases, it is norma l for a solar pa ne l not to deli ve r its full n om i na l powe r. S o m e of the rea sons w h y
this ha ppe ns, a s we l l a s so m e sugge st i ons for getti ng c l ose r t o t he nom i na l p o we r fi gure, a re gi ve n be l ow.
1. Li ght Intensity. T h e am ount o f light shi ni ng on t he pa ne l will result i n fluctuations t o the po we r output.
Y o u a re m o r e likely t o a c hie ve n om i n a l p o w e r out put fi gure s cl ose r t o t hose obt ai ne d unde r t e st c ondi ti ons
w h e n usi ng t he p ro duc t o n a c lea r d a y dur i ng t he m i d da y sun, t ha n w h e n u si ng t he p rod uc t i n t he m o rni ng
or later i n t he a ft e rnoon. W e a t he r c ondi t i ons wi ll a l so a ffect t he a m o un t of sunl ight t ha t shi ne s o n the
panel. Fo r e xam pl e, you are m uc h less likely t o achie ve t he figures for nom i na l po we r in haz y, cl oudy or
rainy conditions.
2. Sur fac e Te mper atur e . T h e tem perat ure o f the sola r pa ne l surfac e will also affect t he a m o unt of p o we r
ge ne ra te d. T h e l o we r t he surfa ce t e m pe ra t u re of t he pa nel , t he m o r e p o we r wi l l b e produc e d. F o r
e x a m pl e , sola r pa ne l s ge ne ra t e m o r e p o w e r w h e n u se d duri ng t he wi nt e r t ha n duri ng t he s um m e r, a n d
this is c om pl e te l y norm a l . Sola r pa nel s gene ra lly r e a c h te m pe ra t ure s c l ose t o 60 ° C (140°F) d uri ng
sum m e r. T hi s reduc es nomi na l po we r by 1 3%, despite t he hi ghe r levels o f light shining o n t he panel.
3. Sunl i ght Angl e . In optim al li ght conditions, t he sun's ra ys should re m a i n perpe ndic ula r t o t he surfa ce
of t he pa ne l for be st pe rform a nc e . T h e di ffe re nce o f ± 1 0 de gree s o f 9 0 de gree s o f sunlight hi tti ng t h e
pa ne l s ha s little e ffe ct o n t he p owe r.
4. P a ne l Sh ad i n g. T h e surfac e of t he sola r pa ne l s h oul d not b e s ha de d duri ng use. Sha di n g c a u se d b y
s ha do w s, fore i gn obje c t s a n d gla ss c a n all gre atly re d uc e p o w e r out put .
Pe rfor manc e Issue s Cause d b y M al func ti oni ng P anel s: If the panel still isn't generating p ow e r or its output
re m a i ns f a r be l o w e x pe c t e d nom i na l p o we r fi gure s after a ddre ssi ng t he i ssue s a bove, t he re m a y be a n i ssue
wi t h t he pa ne l itself. Pl e a se c onta c t C u s t o m e r S up po rt for a ssi sta nce.
H o w m u ch p ower can the 4 00 W Solar Pan el generate u n d er n orm al conditions?
T hi s de pe nd s first a n d fore m ost o n we a t he r condit ions. Ge ne ra l l y spea king, o n a c lea r da y wit h n o c l ouds
i n t he sky, sunl ight hit ting t he pa ne l a t a 9 0° a ngle usua l l y ge ne ra t e s 3 2 0 W – 3 5 0 W o f po w e r in t he 4 0 0 W
( Cur re nt light co ndi tio ns are n orma lly 8 0 0 W – 9 0 0 W / m ² ( 74. 3W –8 3.6W/ ft ² ) wi th a pa nel tem per atu re o f 5 0 ° C
panel.
(122°F) u nd er test conditions. Nomin al p o we r ratings ar e bas ed o n 1 0 0 0 W / m ² (92.9W/ft²) in AM 1 . 5 conditions wi th
a p an el tem per atu re of 2 5 ° C (7 7°F) un der test conditions. P o we r o utp ut figures c los e n om i n al val ues we r e norm ally
o bs erv ed i n th e m id d a y s u n d uri ng t he winter.)
W h a t sh ou ld I k n o w about t h e op erat ing t emp eratu re, st orage an d u se of the 4 0 0 W
Solar Panel?
T h e ope ra ti ng t emperature o f t he Sola r Pa ne l is -20 °C– 85 °C (-4°F–185°F). T h e pane l shoul d be
folde d into its original sha pe a n d st ored i n its Protec ti ve Ca se (Kickstand), w hi c h provi de s suffic ient
prot e c t i on for t he produc t . T o e xt e nd t he se rvi ce l ife of t he pa ne l , e n su re t hat t he p ro duc t i s not e x p o s e d t o
external forc e s/im pa ct s w h e n not i n use. T h e sol ar pane l m u s t not be dr oppe d, pi e r ce d, be nt, or sat on.
The se actions m a y bre ak the cell and re nder the pane l unusable. A n y suc h d ama ge will not be cove re d by
the free warranty.