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Live · checked today · 2 UK retailers tracked
Sun Mountain E4.5 H2NO Bag vs Sun Mountain Eclipse E2.5 H2NO Bag
Quick verdict
Checked daily across 2 UK retailers
Price and availability verdict
Sun Mountain E4.5 H2NO Bag is currently £319, while Sun Mountain Eclipse E2.5 H2NO Bag is currently £259. against tracked history, Sun Mountain E4.5 H2NO Bag is 10% above its lowest tracked price and Sun Mountain Eclipse E2.5 H2NO Bag is 45% above its lowest tracked price. Both are currently available from 1 UK retailer.
Deal intelligence
Should you buy now, or wait?
Neither is at its low today. The Sun Mountain E4.5 H2NO Bag is closest, within 10% of its lowest tracked price. The Sun Mountain Eclipse E2.5 H2NO Bag has more room: its tracked low is £179.
Sun Mountain · E4.5 H2NO Bag
Not enough data yet
Today £319 · typical £319 · lowest £289
On sale 1 time in the last 3 months
Sun Mountain · Eclipse E2.5 H2NO Bag
Not enough data yet
Today £259 · typical £259 · lowest £179
On sale 4 times in the last 4 months
Head to head
Category leaders, from the data on this page
- Cheapest new Eclipse E2.5 H2NO Bag £259 vs £319
- Closest to its tracked low E4.5 H2NO Bag 10% above vs 45%
Where to buy
2 UK retailers, checked daily
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Sun Mountain · E4.5 H2NO Bag
↓ £10
since 9 April 2026
Lowest £289 on 25 April 2026
Sun Mountain · Eclipse E2.5 H2NO Bag
↓ £10
since 27 March 2026
Lowest £179 on 22 April 2026
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Common questions about the Sun Mountain E4.5 H2NO Bag vs Sun Mountain Eclipse E2.5 H2NO Bag
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.