Better than LiFePO4 lithium?

No — LiFePO4 gives more cycles and depth. But MSK costs 3-4× less, with 2× the cycles of standard AGM. Good cost/duration compromise.

Standard AGM curve works. To extract all cycles, use a charger with PSoC profile and temperature compensation.

MSK Series

LONG MSK Series batteries: carbon-enhanced AGM (Smart-Carbon) for frequent cyclic use — daily solar, intensive RV. 100-200 Ah.

Carbon in the negative plate delays sulphation and tolerates partial-state-of-charge (PSoC) without damage — 1,500+ effective cycles at 50% DoD.

There are 8 products.

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Battery Long MSK600 600Ah

2V
600Ah
AGM
241x172x340

TO BUY

Battery Long MSK500 500Ah

2V
500Ah
AGM
241x172x340

TO BUY

Battery Long MSK75 75Ah

2V
75Ah
AGM
170x72x208

TO BUY

Battery Long MSK440 440Ah

2V
440Ah
AGM
197x170x342.5

TO BUY

Battery Long MSK400 400Ah

2V
400Ah
AGM
197x170x342.5

TO BUY

Battery Long MSK300 300Ah

2V
300Ah
AGM
170x150x342.5

TO BUY

Battery Long MSK200 200Ah

2V
200Ah
AGM
170x106x342.5

TO BUY

Battery Long MSK100A 100Ah

2V
100Ah
AGM
170x72x208

TO BUY

LONG MSK — Smart-Carbon AGM

Carbon additive in the negative plate works as a sulphation inhibitor: the battery tolerates long periods in PSoC without capacity loss. Useful in off-grid solar where you don't reach 100% in winter.

Code	Ah	Cycles 50% DoD	Application
MSK100-12	100	1,500	Solar RV
MSK150-12	150	1,500	Family off-grid
MSK200-12	200	1,500	Big off-grid, boat

Applications

Off-grid solar accepting winter PSoC
Intensive RV use
Marine house bank with high daily loads
Remote telecom without continuous connection

Better than LiFePO4 lithium?: No — LiFePO4 gives more cycles and depth. But MSK costs 3-4× less, with 2× the cycles of standard AGM. Good cost/duration compromise.
Special charger?: Standard AGM curve works. To extract all cycles, use a charger with PSoC profile and temperature compensation.

LONG MSK catalogue curated by our technical team. 10,000+ Trustpilot 4.4/5. 24h mainland delivery, free 14-day returns.

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