Features of SR-SL
1. The design of IP68 waterproof level and aluminum shell helps
effectively prevent erosion.
2. 12 V/24 V system voltage.
3. LED numeric display and waterproof keys are easy to use.
4. An upgraded 3-stage PWM charging algorithm applies an equalizing
charge to the battery every week, effectively preventing the
battery from non-equalization and sulfuration and therefore
extending the battery's service life.
5. Up to 5 load working modes facilitate the product's application
to different types of road lamps and monitoring devices.
6. Charging program options are available for sealed, GEL and
flooded lead-acid batteries and ternary-material lithium and
lithium iron phosphate batteries.
7. An external temperature sensor helps deliver high-precision
temperature compensation.
8. Parameter settings of power-down saving functions eliminate the
trouble of repeated settings, making operation easy and convenient.
9. Various kinds of state indicators.
10. Overcharge, over-discharge and overload protection, as well as
short-circuit and reverse-connection protection.
11. TVS lighting protection.
Electronic protections:
PV reverse polarity protection
PV short circuit protection
PV over current alarm protection
Battery overcharge protection
Battery over discharge protection
Battery reverse polarity protection
Load short circuit protection
Load overload protection
Overheating protection
Parameter of SR-SL
Battery type | Sealed | GEL | Flooded | Ternary-material lithium | Lithium iron phosphate |
System current | 10 A; 20 A |
No-load loss | 10 mA/ 12 V; 13 mA/ 24 V |
Solar energy input voltage | < 55 V |
System voltage | 12 V/ 24 V Auto | 12 V/ 24 V Auto | 12 V/ 24 V Auto | 3 and 4 strings: 12 V system 7 strings: 24 V system | 4 strings: 12 V system 8 strings: 24V system |
Overvoltage protection | 17.0 V | 17.0 V | 17.0 V | 4.2 V * N + 2.0 V | 3.65 V * N + 2.0 V |
Equalizing charging voltage | 14.6 V | - | 14.8 V | - | - |
Boost charging voltage | 14.4 V | 14.2 V | 14.6 V | - | - |
Floating charging voltage | 13.8 V | 13.8 V | 13.8 V | - | - |
Overcharge voltage | - | - | - | 4.2 V * N | 3.65 V * N |
Overcharge recovery | - | - | - | 3.9 V * N | 3.4 V * N |
Boost charging recovery voltage | 13.2 V | 13.2 V | 13.2 V | - | - |
Over-discharge recovery voltage | 12.5 V | 12.5 V | 12.5 V | 3.3 V * N | 3.0 V * N |
Undervoltage | 12.0 V | 12.0 V | 12.0 V | 3.2 V * N | 2.8 * N |
Over-discharge voltage | 11.0 V | 11.0 V | 11.0 V | 3.0 V * N | 2.5 V * N |
Temperature compensation | -4.0 mv/°C/ 2 V | - | - |
Equalizing charging duration | 1 hour | - | 1 hour | - | - |
Boost charging duration | 4 hours | 4 hours | 4 hours | - | - |
Light controlled voltage | Light controlled on 5 V, light controlled off 6 V |
Light control judgment time | 1 min |
Overload and short-circuit protection | 1.25 times of rated current: 30 s; 1.5 times of rated current: 5 s of overload protection; Over 3 times of rated current: short-circuit protection. |
Operating temperature | -35°C to +65°C; |
Protection degree | IP68 |
Weight | 140 g (10 A) 300 g (20 A) |
Dimensions | 82×58×20 (mm)/ 10 A; 82×100×20 (mm)/ 20 A |
Detail of SR-SL
Why choose us?
SRNE, as a high-tech enterprise with the government support ,and
with own R&D team as well as factory, has become the famous
brand and the experts of PV storage management and control, we
always insist on good quality, professional service and leading
technology. Besides, customer can purchase premium products with
favorable prices from us.
Our R&D team and service: in SRNE, there' re some technicians
having more than 10 years experience in the field of solar
controller and all the products we design are the trend of market
development.
Our tenet is continuously in pursuit of warm customer service.
FAQ:
Q: what kind of certificates you have for your solar controllers ?
SRNE:Our solar controller has CE,ROHS,ISO9001 certificates
approved.
Q: Are you a manufacturer or trading company?
SRNE:We are a state-level high-tech enterprise that integrates
pluralism, R&D and manufacturing as one with PV controller,PV
inverter,PV energy storage oriented.And we have our own factory.
Q: Can I buy one sample for testing?
SRNE:Sure,we have a 8 years experience R&D team and in timely
after sale service,can help u fix any technicial problem or
confusion.
Q: How are about the delivery?
SRNE:
Sample:
1-2 working days
Order: within 7 working days depending on the order quantities
OEM Order: 4-8 working days after confirming the sample
Q: How're about your customers service?
