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E-TWOW GT SL vs E-TWOW Booster ES
The E-TWOW GT SL has the longer estimated range — 15 miles against 11.2 — because it carries 374 Wh to the E-TWOW Booster ES’s 281. The E-TWOW Booster ES is the lighter of the two at 25.6 lb, which puts it in the carry up stairs class. Everything else is below.
| Estimated range | 15 mi | 11.2 mi |
|---|---|---|
| Claimed range | 22 mi (1.5x the estimate) | 19 mi (1.7x the estimate) |
| Top speed | 23 mph | 19 mph |
| Motor | Single motor, 500 W (700 W peak) | Single motor, 500 W (700 W peak) |
| Battery | 374 Wh at 48 V | 281 Wh at 36 V |
| Wh per dollar | 0.54 Wh/$ | 0.48 Wh/$ |
| Wh per pound | 13 Wh/lb | 11 Wh/lb |
| Weight | 29.3 lb — carry up stairs | 25.6 lb — carry up stairs |
| Max rider weight | 242 lb | 242 lb |
| Rated grade | 25% | 20% |
| Tires | 8" solid | 8" solid |
| Suspension | Dual | Dual |
| Brakes | Front regen + rear drum + emergency rear fender brake | Front regen + emergency rear fender brake |
| Charge time | 3 h | 3 h |
| Folded size | 41.7 x 13.0 x 5.8 in | 38.6 x 13.0 x 5.9 in |
| Lights | Headlight, taillight | Headlight, taillight |
| App | Yes | No |
| Cruise control | No | No |
| Approx. price | ~$699 | ~$588 |
E-TWOW GT SL: the case against
- 374 Wh is 130 Wh below the GT Sport
- 242 lb rider limit
- Solid tires transmit more road vibration
- No IP rating on the product page
- 22-mile claim has no stated rider weight
E-TWOW Booster ES: the case against
- 281 Wh is a small pack
- No drum or disc brake; fender brake is an emergency stop
- 242 lb rider limit
- 19 mph top speed
- No IP rating on the product page
- $588 is a high price per Wh