Mastervolt 66012750
The Mastervolt 66012750 is a battery pack with a nominal voltage of 13.2 V, a capacity of 200 Ah, dimensions of 341 x 197 x 355 mm, 3500 cycles, a weight of 29 kg (63.9 lb) and an ingress rating of IP65.
Last updated: 31 October 2026
Battery and charging
- Capacity (amp-hours)
- 200 Ah
- Battery chemistry
- Lithium Iron Phosphate
- Voltage
- 13.2 V
- Rated charge cycles
- 3500 cycles at 80 % DOD at 25 ⁰C, max. C/3 charge and C/2 discharge
- Maximum discharge current, as the maker labels it
- 500 A
“Nominal battery capacity 200 Ah”
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
“Battery chemistry Lithium Iron Phosphate”
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
“Nominal battery voltage 13.2 V”
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
“Cycle life 3500 cycles at 80 % DOD at 25 ⁰C, max. C/3 charge and C/2 discharge”
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
“Max. continuous discharge current 500 A”
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
Battery care and safety
- Ingress protection
- IP65
“Protection degree IP65 (electronics cabinet)”
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
Size and fit
- Weight
- 29 kg
- Weight
- 63.9 lb
- Overall dimensions
- 341 x 197 x 355 mm
“Product weight 29 kg 63.9 lb”
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
“Product weight 29 kg 63.9 lb”
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
“Max. outer dimensions (incl. terminals/grip handles), lxwxh 341 x 197 x 355 mm 13.4 x 7.8 x 14.0 inch”
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
Sources
- MLI Ultra 12/2750 | Lithium Ion battery | Mastervolt .Archived document
Source: mastervolt.com/products/lithium-batteries/mli-ultra-12-2750
Retrieved October 31, 2026