Charged Reviews

Quick reference

WindyNation P20L CHC-LCD-20 20A LCD PWM Solar Charge Controller

Model: CHC-LCD-20 · SKU: CHC-LCD-20

Prepared Oct 30, 2026

Common specifications

Controller type
PWMSource [1]
Maximum PV voltage
50 VSource [1]
Maximum PV input powerNot documented
Maximum PV input power by battery voltageNot documented
PV input current / MPPTNot documented
Charge current
20 ASource [1]
Battery voltage
12V DC or 24V DCSource [1]
Battery chemistryNot documented
EfficiencyNot documented
MPPT tracking efficiencyNot documented
Maximum conversion efficiencyNot documented
Full-load efficiencyNot documented
Charger efficiencyNot documented
Weighted efficiencyNot documented
Rated charge powerNot documented
Load output current
20 ASource [1]
Self-consumption
Less than 5 mA at idleSource [1]
EnclosureNot documented
Safety listingNot documented
Enclosure volume0.52 L** Calculated from recorded external dimensions
Warranty termNot documented

All recorded specifications

Battery voltage
12V DC or 24V DCDocumented claim
Conditions

Printed as Rated Working Voltage 12V DC or 24V DC Battery Systems.

Location: Electrical and physical specifications tables

Printed as Rated Working Voltage 12V DC or 24V DC Battery Systems.

Location: Electrical and physical specifications tables

[1]
Charge current
20 ADocumented claim
Conditions

Printed as Rated Charge Current 20 Amps.

Location: Electrical and physical specifications tables

Printed as Rated Charge Current 20 Amps.

Location: Electrical and physical specifications tables

[1]
Controller type
PWMDocumented claim
Conditions

The manual describes PWM charging.

Location: Electrical and physical specifications tables

The manual describes PWM charging.

Location: Electrical and physical specifications tables

[1]
Dimensions
37 D × 160 W × 88 H mm1.5 D × 6.3 W × 3.5 H in convertedDocumented claim
Conditions

Printed as 3.46” (88mm) x 6.30” (160mm) x 1.46” (37mm) (H x W x D).

Location: Electrical and physical specifications tables

Printed as 3.46” (88mm) x 6.30” (160mm) x 1.46” (37mm) (H x W x D).

Location: Electrical and physical specifications tables

[1]
Load output current
20 ADocumented claim
Conditions

Printed as Rated Load Current 20 Amps.

Location: Electrical and physical specifications tables

Printed as Rated Load Current 20 Amps.

Location: Electrical and physical specifications tables

[1]
Maximum PV voltage
50 VDocumented claim
Conditions

Printed as Maximum Solar Input Voltage 50V DC.

Location: Electrical and physical specifications tables

Printed as Maximum Solar Input Voltage 50V DC.

Location: Electrical and physical specifications tables

[1]
Operating temperature
-10 to 60 °C14 to 140 °F convertedDocumented claim
Conditions

Printed as 14oF to 140oF (-10oC to 60oC).

Location: Electrical and physical specifications tables

Printed as 14oF to 140oF (-10oC to 60oC).

Location: Electrical and physical specifications tables

[1]
Self-consumption
Less than 5 mA at idleDocumented claim
Conditions

Printed as "At idle < 5mA".

Location: Electrical and physical specifications tables

Printed as "At idle < 5mA".

Location: Electrical and physical specifications tables

[1]
Weight
0.23 kg0.51 lb convertedDocumented claim
Conditions

Printed as 8.1 oz. (230g).

Location: Electrical and physical specifications tables

Printed as 8.1 oz. (230g).

Location: Electrical and physical specifications tables

[1]

Warranty

Certificate records

No records documented.

Sources and revisions

  1. WindyNation P20L LCD 20A solar charge controller (CHC-LCD-20) user manual, Revision 1Official user manual · Revision Revision 1 · Checked Oct 29, 2026https://cdn.shopify.com/s/files/1/0636/9289/8526/files/P20L_Controller_Manual_R1.pdf?v=1666205648