Sun Power Pack Classic | GEL Batteries
Energy Storage with AGM Batteries. 11kWh/48V Capacity
Voltacon offers the safest and easiest solution for energy storage which comes in a high quality rack with metal enclosure. All the necessary cables , a dc isolator and fuses are available in the package.
In this listing you will find complete energy storage package 48V. The battery banks are delivered with link cables (fully insulated 35mm) and 2 meter link cable from the batteries to the inverter/charger input terminals.
The technology of our energy storage devices is made of valve-regulated lead acid batteries suitable for deep-clying operation.
Valve regulated lead acid battery bloc: 308mm x 170mm x 275mm. Weight 41kg
The battery system serves to store photovoltaic generated energy. The systems consist of the following components:
- 1x Set of power cables to the inverter. 2 meter long
- 8x block batteries 250Ah 6V each
- 1x Wiring set (9 cables, 16 terminal screws)
- 2x cable screw connections including locknut.
- 1x Battery isolator with 160A fuses.
Recommended Energy Usage
The minimum PV plant size 4-5kWp. The annual production from is approximately 4,500-6,700kWh
Pre-sized energy packs - Interconnection cables included
Type |
Number and Type of VR M blocs |
C10 / 1,80 V per bloc |
sun powerpack 11.0/48V |
8 pcs.sun.power VR M 6V250 |
229Ah |
* In parallel connection of 2 racks the dimensions have to be multiplied by 2. |
Typical applications:
- Energy storage system for photovoltaic systems from 3kWp
- Engery supply in case of power failures*
- Energy storage for off-grid power supplies
- Industrial applications (standby and cycle use)
- On- and Off-grid Storage of PV Energy (residential and small commercial)
Your Benefits
- Increase economic of your PV-systems by optimization of grid purchase costs
- Uninterrupted service with autonomous power supply – even in case of power failure*
- Simple handling & operation – components ready for connection
- H ighest reliability – the used components are approved in industrial applications
- Highest flexibility – can be combined with various battery inverters
- 11kWh gross energy content VRLA technology 2.500 cycles at 50% dod
- Suitable for 24V and 48V Solar off grid and hybrid inverters
Data sheet of GEL VR-M Batteries

Product |
Energy(kWh) |
Nominal(V) |
Racks(Nr.) |
Length(L/mm) |
Width(B/mm) |
Height(H/mm) |
Weight(kg) |
sun | powerpack classic 5.5/24 |
5.5 |
24 |
1 |
829 | 385 | 567 | 195 |
sun | powerpack classic 6.4/48 |
6.4 |
48 |
1 | 857 | 355 | 724 | 253 |
sun | powerpack classic 8.0/24 |
8.0 |
24 |
1 |
829 | 385 | 767 | 295 |
sun | powerpack classic 8.0/48 |
8.0 |
48 |
1 |
829 | 385 | 767 | 295 |
sun | powerpack classic 11.0/24 |
11.0 |
24 |
1 |
829 | 385 | 899 | 370 |
sun | powerpack classic 11.0/48 |
11.0 |
48 |
1 |
829 | 385 | 899 | 370 |
sun | powerpack classic 16.0/48 |
16.0 |
48 |
2, parallel |
829* | 385 | 767 | 590 |
sun | powerpack classic 22.0/48 |
22.0 |
48 |
2, parallel |
829* | 385 | 899 | 740 |
Recommended use of sun power pack classic - Lead Acid
Battery size in kWh | 5.5kWh | 6.4kWh | 8.0kWh | 11.0kWh | 16kWh | 22kWh |
Annual energy requirement |
< 3,000 kWh | < 3,600 kWh | 3,600 - 4,500 kWh | 4,500 - 6,700 kWh | 6,700 - 9,000 kWh | > 9,000 kWh |
Minimum |
2.5 kWp | 3 kWp | 4 kWp | 5.5 kWp | 8 kWp | 10 kWp |