Charged Reviews

Quick reference

WindyNation TrakMax 40BT CHC-MPPT-40BT 40A MPPT Solar Charge Controller

Model: CHC-MPPT-40BT · SKU: CHC-MPPT-40BT

Prepared Oct 30, 2026

Common specifications

Controller type
MPPTSource [1]
Maximum PV voltage
100 VSource [1]
Maximum PV input powerNot documented
Maximum PV input power by battery voltageNot documented
PV input current / MPPTNot documented
Charge current
40 ASource [1]
Battery voltage
12/24 VDC (auto-detect)Source [1]
Battery chemistryNot documented
EfficiencyNot documented
MPPT tracking efficiencyNot documented
Maximum conversion efficiency
98 %Source [1]
Full-load efficiencyNot documented
Charger efficiencyNot documented
Weighted efficiencyNot documented
Rated charge powerNot documented
Load output current
20 ASource [1]
Self-consumptionNot documented
Enclosure
IP32Source [1]
Safety listingNot documented
Enclosure volume2.99 L** Calculated from recorded external dimensions
Warranty termNot documented

All recorded specifications

Battery voltage
12/24 VDC (auto-detect)Documented claim
Conditions

As printed.

Location: Electrical and physical specifications tables

As printed.

Location: Electrical and physical specifications tables

[1]
Charge current
40 ADocumented claim
Conditions

Printed as Max Battery Charging Current 40 Amp.

Location: Electrical and physical specifications tables

Printed as Max Battery Charging Current 40 Amp.

Location: Electrical and physical specifications tables

[1]
Controller type
MPPTDocumented claim
Conditions

The manual describes the product as an MPPT charge controller.

Location: Electrical and physical specifications tables

The manual describes the product as an MPPT charge controller.

Location: Electrical and physical specifications tables

[1]
Dimensions
72.5 D × 173 W × 238 H mm2.85 D × 6.81 W × 9.37 H in convertedDocumented claim
Conditions

Printed as 9.4” (238mm) x 6.8” (173mm) x 2.9” (72.5mm) (H x W x D).

Location: Electrical and physical specifications tables

Printed as 9.4” (238mm) x 6.8” (173mm) x 2.9” (72.5mm) (H x W x D).

Location: Electrical and physical specifications tables

[1]
Enclosure
IP32Documented claim
Conditions

Printed as Enclosure Protection Class IP32.

Location: Electrical and physical specifications tables

Printed as Enclosure Protection Class IP32.

Location: Electrical and physical specifications tables

[1]
Load output current
20 ADocumented claim
Conditions

Printed as Load Current 20 Amp.

Location: Electrical and physical specifications tables

Printed as Load Current 20 Amp.

Location: Electrical and physical specifications tables

[1]
Maximum conversion efficiency
98 %Documented claim
Conditions

Printed as Efficiency 98% @ full current.

Location: Electrical and physical specifications tables

Printed as Efficiency 98% @ full current.

Location: Electrical and physical specifications tables

[1]
Maximum PV voltage
100 VDocumented claim
Conditions

Printed as Max PV Open Circuit Array Voltage 100VDC.

Location: Electrical and physical specifications tables

Printed as Max PV Open Circuit Array Voltage 100VDC.

Location: Electrical and physical specifications tables

[1]
Operating temperature
-35 to 45 °C-31 to 113 °F convertedDocumented claim
Conditions

Printed as -31oF to 113oF (-35oC to 45oC).

Location: Electrical and physical specifications tables

Printed as -31oF to 113oF (-35oC to 45oC).

Location: Electrical and physical specifications tables

[1]
Weight
2 kg4.4 lb convertedDocumented claim
Conditions

Printed as 4.4 lb. (2Kg).

Location: Electrical and physical specifications tables

Printed as 4.4 lb. (2Kg).

Location: Electrical and physical specifications tables

[1]

Warranty

Certificate records

No records documented.

Sources and revisions

  1. WindyNation TrakMax 40BT MPPT solar charge controller (CHC-MPPT-40BT) manual, Revision 1Official user manual · Revision Revision 1 · Checked Oct 29, 2026https://cdn.shopify.com/s/files/1/0636/9289/8526/files/TrakMax40BT_Controller_Manual_R1.pdf?v=1666212620