1
Which batteries give the most juice for the money?
Power Tool Batteries
| make/model | tech | V | amphours | watt hours | warranty | net cost | price/Ah | price/Wh | |
|---|---|---|---|---|---|---|---|---|---|
| DSANKE (Black&Decker) | Li-Ion | 18v | 5 Ah | $29 | $5.8 | $0.32 | |||
| generic (Ryobi) | Li-Ion | 18v | 6 Ah | $33 | $5.5 | $0.31 | |||
| Powerextra (Porter Cable) | Li-Ion | 20v | 5 Ah ea. | 1yr | $63/2 | $6.3 | $0.35 | ||
| TenHutt (Ryobi) | Li-Ion | 18v | 9 Ah | $64 | $7.11 | $0.40 | |||
| Swidan (Greenworks) | Li-Ion | 40v | 5 Ah | $66 | $13.2 | $0.37 | |||
| Waitley (DeWalt) | 20v | 9 Ah | $70 | $7.78 | $0.43 | ||||
| Lotive (Greenworks) | Li-Ion | 40v | 6 Ah | 30 days | $69 | $11.5 | $0.32 | ||
| Epowon (Greenworks) | Li-Ion | 40v | 5 Ah | 1yr | $73 | $14.6 | $0.41 | ||
| Waitley (DeWalt) | 20v | 6 Ah ea. | $76/2 | $6.33 | $0.35 | ||||
| Ryobi | Li-Ion | 18v | 28 Wh ea. | 90day | $78/2 | ? | $1.39 | ||
| Waspt | Li-Ion | 40v | 6 Ah | $82 | $13.67 | $0.38 | |||
| Elefly | Li-Ion | 40v | 6 Ah | 1yr | $88 | $14.67 | $0.41 | ||
| Porter Cable | Ni-Mh | 20v | 4 Ah ea. | $110/4 | $6.88 | $0.38 | |||
| Powerworks | Li-Ion | 60v | 5 Ah | 270 Wh | $140 | $28 | $0.52 | ||
| Greenworks | Li-Ion | 40v | 5 Ah | 2yr | $180 | $36 | $1 | ||
| Greenworks | Li-Ion | 60v | 5 Ah | 2yr | $200 | $40 | $0.77 | ||
| eGo BA4200 | Li-Ion | 56V | 7.5Ah | 3yr | $233 | $31.07 | $0.60 |
Batteries specialized for E-bikes
| make/model/shape | tech | V | amphours | watt hours | warranty | net cost | price/Ah | price/Wh | |
|---|---|---|---|---|---|---|---|---|---|
| greencycle bottle | 24v 250w | 10 Ah | 23 days | $95 | $9.5 | $0.40 | |||
| HaiTu Bottle | Li-Ion | 36v | 7 Ah | $130 | $18.57 | $0.52 | |||
| fastakeep | Li-Ion | 24v | 8 Ah | 30 days | $150 | $18.75 | $0.78 | ||
| dolphin | Li-ion | 36v | 11 Ah | 1 yr | $153 | $13.91 | $0.39 | ||
| green E-motion bottle | 36v | 8 Ah | 23 days | $154 | $19.13 | $0.53 | |||
| Hailong Downtube | Li-Ion | 48v | 12.5 Ah | 1yr | $195 (EU only; paypal only!) | $15.6 | $0.33 | ||
| Sanyo | Li-Ion | 52v | 8 Ah | 1yr | $209 | $26.13 | $0.50 | ||
| generic | Li-Ion | 48v | 10 Ah | 1yr | $214 | $21.36 | $0.46 | ||
| Downtube | Li-Ion | 52v | 10.4 Ah | 30 days | $226 | $21.73 | $0.42 | ||
| ebike motor battery store | 36v | 10 Ah | $227 | $20.6 | $0.57 | ||||
| green E-motion bottle | 52v | 10 Ah | 23 days | $227 | $22.7 | $0.44 | |||
| Hailong dolphin shark | Li-Ion | 48v | 10 Ah | 1yr | $227 | $22.7 | $0.47 | ||
| fastakeep | Li-Ion | 52v | 10 Ah | 30 days | $236 | $23.6 | $0.45 | ||
| Dsaikl | Li-Ion | 52v 750w | 10 Ah | $239 | $23.9 | $0.46 | |||
| Wallen Power Hailong | Li-Ion | 48v | 10 Ah | 1yr | $243 | $24.3 | $0.51 | ||
| 01-Case | Li-ion | 48v | 10 Ah | $243 | $24.3 | $0.51 | |||
| Risklight | Li-Ion | 52v | 10 Ah | >1yr "Guarantee"? | $244 | $24.4 | $0.47 | ||
| green E-motion bottle | 52v | 12 Ah | 23 days | $246 | $20.5 | $0.40 | |||
| Luna Wolf Pup (Samsung 21700 40T cells) | Li-Ion | 52v | 4 Ah | 200 Wh | $249 | $0.75 | $1.25 | ||
| jsa kaka | Li-Ion | 52v | 10.2 Ah | 1yr | $250 | $24.51 | $0.47 | ||
| jsa kaka | Li-Ion | 52v 500w? | 10 Ah | 1yr | $255 (s/h) | $25.5 | $0.49 | ||
| ebird locking battery | 48v | 10 Ah | $255 | $25.5 | $0.53 | ||||
| Hailong | Li-Ion | 52v | 13 Ah | 23 days | $260 | $20 | $0.38 | ||
| 03-Case | Li-ion | 48v | 10 Ah | $262 | $26.2 | $0.55 | |||
| unit pack power Hailong2 | Li-Ion | 48v | 13 Ah | 624 Wh | 1yr | $263 | $20.23 | $0.42 | |
| eco-bike bottle | 36v | 7 Ah | 252 Wh 15a | $275 | $39.29 | $1.09 | |||
| Chamrider | 52v | 13 Ah | 1yr | $279 | $21.46 | $0.41 | |||
| dolphin | Li-Ion | 52v | 10.4 Ah | 1yr | $281 | $27.02 | $0.52 | ||
| Hailong 3 | Li-Ion | 52v | 13 Ah | 1yr | $281 | $21.62 | $0.42 | ||
| Best Bikes | 52v | 13 Ah | 676 Wh | 1yr | $284 | $21.85 | $0.42 | ||
| bottle | Li-ion | 48v 750w | 13 Ah | 1yr | $326 | $25.08 | $0.52 | ||
| down tube | non-lead | 52v | 13 Ah | 1yr | $336 | $25.85 | $0.50 | ||
| Whale | Li-Ion | 52v | 11.6 Ah | 1yr | $349 | $30.09 | $0.58 | ||
| Samsung | 52v | 14 Ah | 1yr | $354 | $25.29 | $0.49 | |||
| ebird bottle | 48v | 10 Ah | $358 | $35.8 | $0.75 | ||||
| Jumbo Hailong Shark | 52v | 13 Ah | 676 Wh 30a | $400 | $30.77 | $0.59 | |||
| Jumbo Shark | 48v | 14.3 Ah | $544 | $38.04 | $0.79 |
Assumptions in the "price/Wh" calculations:
- 20v batteries are really 18v
- 40v batteries are really 36v
- 52-60v batteries are really 52v
because marketers lie. Amphours may be lies too, likely rounded to whole numbers, but we can't do anything about that.