Every figure below starts from the datasheet: 25.50 V, 21.90 V, Isc 3.10 A at 25 °C, and a Voc temperature coefficient of −0.25 % per °C. That coefficient means the open-circuit voltage climbs 13.8 % by −30 °C, to 29.0 V per panel.
Read the cold column. On a 28 V controller this panel fits 1 in series at 25 °C but only none at −30 °C, so a string wired from the label number fails the first hard frost.
Across the 318 locations in the database the count on a 100 V controller is the same, 3 in series, from the warmest design low to the coldest.
For wiring, one string carries 3.10 A of short-circuit current, so the cable and any string fuse are sized for 4.8 A (Isc × 1.56, NEC 690.8). Because the drop is measured against string voltage, not 12 V, the cable stays thin: 2 in series over 5 m need 18 (1.4 % drop at 43.8 V) and 4 in series over 10 m need 18 AWG (1.4 % drop at 87.6 V).
Most panels in series per controller
| Controller input limit | At 25 °C | At −10 °C | At −30 °C |
|---|---|---|---|
| 25 VRenogy Wanderer Li 30A PWM (RNG-CTRL-WND30-LI) | none | none | none |
| 28 VVictron Energy BlueSolar PWM Charge Controller LCD&USB 12/24-30 | 1 | 1 | none |
| 50 VRenogy Adventurer Li 30A PWM (RNG-CTRL-ADV30-LI), Renogy Wanderer 10A PWM (RNG-CTRL-WND10) +1 | 1 | 1 | 1 |
| 60 VMorningstar SunSaver MPPT (SS-MPPT-15L) | 2 | 2 | 2 |
| 75 VVictron Energy SmartSolar MPPT 75/15 | 2 | 2 | 2 |
| 100 VBougeRV Sunflow 40A MPPT Solar Charge Controller (ISE218), BougeRV Sunflow 60A MPPT Solar Charge Controller (ISE219) +15 | 3 | 3 | 3 |
| 120 VMorningstar ProStar MPPT 25 (PS-MPPT-25), Morningstar ProStar MPPT 40 (PS-MPPT-40) | 4 | 4 | 4 |
| 140 VRenogy Rover 100A MPPT (RNG-CTRL-RVR100), Renogy Rover 60A MPPT (RNG-CTRL-RVR60) | 5 | 5 | 4 |
| 145 VHQST 60A MPPT Solar Charge Controller with Bluetooth (HCC60HTR-FC), Rich Solar 60 Amp MPPT (RS-MPPT60) | 5 | 5 | 4 |
| 150 VEPEVER Tracer3215BN, EPEVER Tracer4215BN +13 | 5 | 5 | 5 |
| 200 VEPEVER Tracer 10420AN, MidNite Solar Classic 200 | 7 | 7 | 6 |
| 250 VMidNite Solar Classic 250, Victron Energy SmartSolar MPPT 250/60 | 9 | 9 | 8 |
Datasheet
| Field | Value |
|---|---|
| Power | 60 W |
| Voc / Vmp | 25.50 V / 21.90 V |
| Isc / Imp | 3.10 A / 2.90 A |
| Voc coefficient | −0.25 %/°C |
| Size | 1,356 × 309 mm, 0.42 m² |
| Type | flexible, mono, MC4 |
Source: manufacturer datasheet
Similar panels
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EcoFlow 60W Portable Solar Panel (EF-Fold-P060-CG) 99.00 USD
Renogy RNG-50DB-H 69.29 USD
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How this page was computed
Series count = controller limit ÷ (Voc × (1 + coefficient × (T − 25))), rounded down. PV cable: ampacity from ABYC E-11 against Isc × 1.56, voltage drop against string Vmp with a 2 % limit.
- Manufacturer datasheet or CEC PV module list verified 2026-09-16
- Design lows: NOAA NCEI GHCN-Daily, 1991–2020 318 locations
The formulas are the same open engine the checker runs; the methodology page lists every constant.
These results are for reference. Wiring must be installed by a qualified electrician. Mobile installations follow ABYC E-11; stationary ones NEC 690/706.