Holdwell S 200W Semi-Flexible vs Renogy 200W Blanket (RPP200SB-SE)

Last updated: November 4, 2026

The Renogy 200W Blanket (RPP200SB-SE) is the better portable solar panel overall, rated 4.4 to 4.1. The Renogy 200W Blanket (RPP200SB-SE) leads on features. The Holdwell S 200W Semi-Flexible wins on value. The Holdwell S 200W Semi-Flexible costs $124.90 less ($113.09 vs $237.99).

Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

Holdwell S 200W Semi-Flexible vs Renogy 200W Blanket (RPP200SB-SE)

Which should you buy?

Scores side by side

Each factor is scored 0-100 against the same fixed reference points for every mid-size portable solar panel; a clear win is highlighted. How we rank explains each one.

Factor weightRenogy 200W Blanket (RPP200SB-SE)Holdwell S 200W Semi-Flexible
Overall rating4.4/54.1/5
Value 30%86 $1.19 per rated watt100 $0.57 per rated watt
Tested output 20%100 not yet tested; estimated 91% of rated watts from 2 tests of Renogy panels and the median of the 11 tested panels92 not yet tested; estimated 88% of rated watts from the median of the 11 tested panels
Portability 15%100 22.7 W per lb (8.8 lb (4 kg))50 weight not published (neutral score used)
Durability 15%56 IP65, 2-year warranty60 IP67
Efficiency 10%100 25% claimed efficiency100 25% claimed efficiency
Features 10%40 USB output, series/parallel0 no kickstand, USB or bifacial cells

Specifications

Renogy 200W Blanket (RPP200SB-SE)Holdwell S 200W Semi-Flexible
Output
Rated power200 W200 W
Tested outputNot tested (estimated 91%)Not tested (estimated 88%)
Efficiency25% (cell efficiency as quoted by Renogy and on the Amazon listing; the manual gives no efficiency figure)25% (per the Amazon listing, not stated as cell or module)
CellsMonocrystalline (N-type TOPCon, 16BB)Monocrystalline
BifacialNoNo
Electrical
Open-circuit voltage (Voc)19.6 V-
Voltage at max power (Vmp)16.8 V-
Short-circuit current (Isc)13.1 A-
Current at max power (Imp)11.9 A-
Series / parallelYes-
Connections
Output connectorMC4-
USB ports1x USB-C PD3.0 up to 45 W and 2x USB-A QC up to 18 W each, per the manualNone
Build
Weight8.8 lb (4 kg)-
Flexible-Yes, bends 180-240° per the Amazon listing
Dimensions-53.15 x 30.12 x 0.77 in
Folded size16.14 x 15.35 x 3.07 in (410 x 390 x 78 mm)-
Unfolded size61.41 x 31.89 x 1.49 in (1560 x 810 x 38 mm)-
Kickstand-No
Water resistanceIP65IP67
Warranty2 years-
Released2025-04-

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