Exide IZST1000 vs Livguard IT1048ST
Two 100 Ah batteries side by side on the specs each maker states.
- Specs from makers’ pages
- Same backup method for both
Side by side
Same Ah means about the same backup. The real differences are warranty (especially the free-replacement part), weight (more lead usually lasts longer) and the dealer’s service.
| Exide IZST1000 | Livguard IT1048ST | |
|---|---|---|
| Capacity | 100 Ah (C20) | 100 Ah |
| Type | short tubular | short tubular |
| Warranty | 48 months (24 free replacement + 24 pro-rata) | 48 months (24 free replacement + 24 pro-rata) |
| Weight | 40.4 kg | Not stated |
| Cycle life | Not stated | Not stated |
| Maker’s backup at 400 W | 1 h 30 min | Not published |
| Our estimate at 400 W | 1 h 25 min | 1 h 25 min |
| Source | Exide product page | Livguard product page |
What actually differs
- Exide publishes a backup figure for IZST1000; Livguard doesn’t for IT1048ST.
Backup at common loads
Our estimate for a healthy battery on a 12 V inverter. Where the maker publishes a figure, it is in the table above; use that first.
| Load | Exide IZST1000 | Livguard IT1048ST |
|---|---|---|
| 100 W | 9 h 30 min | 9 h 30 min |
| 200 W | 4 h 05 min | 4 h 05 min |
| 300 W | 2 h 20 min | 2 h 20 min |
| 400 W | 1 h 25 min | 1 h 25 min |
| 500 W | 1 h 05 min | 1 h 05 min |
| 600 W | 55 min | 55 min |