DHS 72V 65Ah RS50 (Ultra Bee)
Based on manufacturer and retailer listings when we last checked, not confirmed stock. Check the store before you buy.
The high-output version of DHS’s Ultra Bee pack: Reliance RS50 tabless cells with a claimed 600 A / 43 kW continuous and 850 A / 61 kW peak.
Where to buy
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Charged Cycle Works$2,599
Prices change. Check the store before you buy. Two Wheel Current doesn’t sell anything. Some of these are affiliate links or codes: if you buy through them, the store may pay us a small commission at no extra cost to you. It never changes which products or stores we list.
Specs
Electrical
| Nominal voltage | 72 V | CLAIMED |
|---|---|---|
| Capacity | 65 Ah | CLAIMED |
| Energy | ~4,680 Wh | ESTIMATED |
| Cells | Reliance RS50 tabless | CLAIMED |
| Configuration | 20S (from 84 V full / 58 V cutoff) | ESTIMATED |
Output
| Continuous discharge | 600 A | CLAIMED |
|---|---|---|
| Peak discharge | 850 A | CLAIMED |
| Continuous power | 43.2 kW | CLAIMED |
| Peak power | 61 kW | CLAIMED |
Physical
| BMS | ANT smart BMS, color display | CLAIMED |
|---|---|---|
| Connector | Dual 6 AWG leads included | CLAIMED |
| Weight | 53 lb | CLAIMED |
Fitment
| Fits | Sur-Ron Ultra Bee (OEM-size drop-in) | CLAIMED |
|---|---|---|
| Controller required | No (OEM or upgraded) | CLAIMED |
Pricing
| Price (US) | $2,899 | REPORTED |
|---|
Support
| Warranty | 1 year | CLAIMED |
|---|
The claimed numbers add up: 72 V × 850 A ≈ 61 kW, and 72 V × 600 A ≈ 43 kW. Even so, they're the highest discharge claims in the database, so treat them as claims.
It's designed to work with the OEM or an upgraded controller, but the listing says long-term controller compatibility is untested. Charger and dual 6 AWG leads are included, and it charges at up to 30 A. It has a 1-year unlimited-mileage warranty.
Listed at $2,899 regular / $2,599 sale, in stock on Oct 8, 2026. Energy is our math.