Altop 40A MPPT Charge Controller for Off-Grid VS SRNE 20A MPPT Charge Controller for Off-Grid
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Specifications Comparison
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| Feature | Altop 40A MPPT Charge Controller for Off-Grid | SRNE 20A MPPT Charge Controller for Off-Grid |
|---|---|---|
| Overview | ||
| Model | DQ1303B40-01 | IP32 |
| Battery Type | - | Lead-acid / Li-ion / User Defined |
| Brand | Altop | SRNE |
| Battery | ||
| Chemistry | - | Lead-acid |
| Solar Input | ||
| MPPT Voltage Range | - | (Battery voltage+2V)～45 VDC V |
| Max PV Input Power | - | 260 W/24V 520 W/24V 800 W/24V 1040 W/24V 1600 W/24V 780 W/36V W |
| Max PV Open Circuit Voltage | - | 60 VDC V |
| Max. efficiency | - | 85%~98%(Correspond load power10%~100%) |
| Connectivity | ||
| Bluetooth | - | External module BT-2 with mobile app |
| Communication | - | TTL、RS485 (default) TTL Baud rate 9600kps ，RS485 RJ45 port |
| Hydraulic | ||
| Outlet Size | 425x315x305mm | - |
| Physical | ||
| Installation | - | Not specified |
| Package Dimensions | 145x75x205 mm | - |
| Start Voltage | - | 12 |
| Operating Temperature Range Discharge | - | -35°C~65°C（-31℉～149℉） |
| Max Charging Current | - | 20 A |
| Product Weight | 1.25 kg | 650g(1.43lb) kg |
| Protection | IP32 | Degree, IP32 |
| Operating Temperature | -20~+55° C | Range, -35°C~65°C（-31℉～149℉） C |
| Current Rating | 40 A | 20 A |
| Ingress Protection | - | IP32 |
| Warranty | 3 Years | - |
| Max. continuous load current | - | 10 A |
| Product Dimensions | 1.0V)~Voc*0.9 mm | - |
| Nominal Voltage | 12 V | 24 V |
| Compatibility | ||
| Brand Compatibility | Official: , | Official: , |
Overview
Model
DQ1303B40-01
IP32
Battery Type
-
Lead-acid / Li-ion / User Defined
Brand
Altop
SRNE
Battery
Chemistry
-
Lead-acid
Solar Input
MPPT Voltage Range
-
(Battery voltage+2V)～45 VDC V
Max PV Input Power
-
260 W/24V 520 W/24V 800 W/24V 1040 W/24V 1600 W/24V 780 W/36V W
Max PV Open Circuit Voltage
-
60 VDC V
Max. efficiency
-
85%~98%(Correspond load power10%~100%)
Connectivity
Bluetooth
-
External module BT-2 with mobile app
Communication
-
TTL、RS485 (default) TTL Baud rate 9600kps ，RS485 RJ45 port
Hydraulic
Outlet Size
425x315x305mm
-
Physical
Installation
-
Not specified
Package Dimensions
145x75x205 mm
-
Start Voltage
-
12
Operating Temperature Range Discharge
-
-35°C~65°C（-31℉～149℉）
Max Charging Current
-
20 A
Product Weight
1.25 kg
650g(1.43lb) kg
Protection
IP32
Degree, IP32
Operating Temperature
-20~+55° C
Range, -35°C~65°C（-31℉～149℉） C
Current Rating
40 A
20 A
Ingress Protection
-
IP32
Warranty
3 Years
-
Max. continuous load current
-
10 A
Product Dimensions
1.0V)~Voc*0.9 mm
-
Nominal Voltage
12 V
24 V
Compatibility
Brand Compatibility
Official: ,
Official: ,
Frequently Asked Questions
Key differences from the current specs are: Nominal Voltage (12 V vs 24 V); Current Rating (40 A vs 20 A); Product Weight (1.25 kg vs 650g(1.43lb) kg).
SRNE 20A MPPT Charge Controller for Off-Grid Solar Systems 12/24V 60VOC 260-1600W PV Input IP32 (Shiner2420) currently leads on more weighted core specs (67/100 vs 33/100). For home backup, also confirm battery voltage match and your expected daily load before purchase.
Current price snapshot on SolarMarket Uganda is Altop 40A MPPT Charge Controller for Off-Grid Solar Systems 12V/24V Auto-Detect 100VDC Max PV Input 3 Years Warranty (DQ1303B40-01): UGX 361,200, SRNE 20A MPPT Charge Controller for Off-Grid Solar Systems 12/24V 60VOC 260-1600W PV Input IP32 (Shiner2420): UGX 19,950. Fina
Yes. You can request quotations from verified sellers using the RFQ flow: https://solarmarket.ug/rfq/create
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