Ohmmu Group 24 Lithium vs H7 MAX vs H8 Sodium vs YTX30: Which One Should You Buy? [2026]
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Ohmmu Batteries: Which One Should You Buy?
Two lithium and two sodium 12V batteries, from a 9 lb powersports unit to a 120Ah EV battery.
Which Ohmmu battery fits you?
Pick by vehicle first, chemistry second. RV or boat: Group 24 lithium. H7 EV: H7 MAX. Extreme temperatures in a Jeep or Toyota: H8 sodium. Big bike or ATV: YTX30 sodium. They are not interchangeable because of size and terminals.
Four Ohmmu batteries side by side
| Price | $599.00 | $679.00 | $549.00 | $379.00 |
| Chemistry | LiFePO4 | Lithium | Sodium-ion | Sodium-ion |
| Capacity / CCA | 100Ah | 120Ah | 100Ah / 2,000 CCA | 30Ah / 900 CCA |
| Weight | 18 lb | 26 lb | 29 lb | 9 lb |
| Temp range | -20°F to 140°F | Self-heating (no range listed) | -40°F to 172°F | -40°F to 172°F |
| Warranty | 10 years limited | 4 years | 4 years | 4 years |
| Best for | RV, van, boat, solar | H7 EVs | Overlanding, extreme climates | Motorcycles, ATVs, snowmobiles |
| Buy | Shop Now → | Shop Now → | Shop Now → | Shop Now → |
Quick take on each battery
Group 24 100Ah Lithium
The one for RVs, vans and boats. LiFePO4, Bluetooth monitoring and self-heating at 18 lb.
H7 MAX 120Ah Lithium
The EV replacement. 120Ah, Bluetooth BMS and self-heating, built for H7 vehicles like the Silverado EV.
H8 / Group 49 100Ah Sodium
Sodium chemistry with 2,000 CCA and a -40°F to 172°F range. Heavier than lithium but tougher in the elements.
YTX30 30Ah Sodium
The small, light one. 900 CCA in a 9 lb package for large bikes, ATVs and sleds.
Answers before you buy
Which is lightest?
Which has the longest warranty?
Which is best in the cold?
Which is cheapest?
Is there a coupon?
Match the battery to the machine
All four are well specified for their jobs. Choose by size and use. Editorial scores only.
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