BLUETTI B300K Expansion Battery vs BLUETTI B230 Expansion Battery
Which BLUETTI expansion battery to get.
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Best for: The widest compatibility and a 6,000-cycle rating
Check price at AmazonBest for: A 2 kWh pack that also works as a power bank
Check price at AmazonSpec-by-spec comparison
Green marks the better published figure. "Not listed" means the manufacturer doesn't publish it.
| Spec | BLUETTI B300K Expansion Battery | BLUETTI B230 Expansion Battery | Weight |
|---|---|---|---|
| CapacityEnergy the pack adds to your station. | 2764.8 Wh | 2048 Wh | 45% |
| Energy per kgOur calculation from the maker's capacity and weight. Higher means less to lift per kWh. | 93.7 Wh/kg | 93.9 Wh/kg | 35% |
| Cycle ratingThe maker's cycle rating. Thresholds differ (70% vs 80%), so see the spec table. | 6000 cycles | 3500 cycles | 20% |
| Capacity | 2,764.8 Wh | 2,048 Wh (51.2 V, 40 Ah) | info |
| Chemistry | LiFePO4 | LiFePO4 | info |
| Cycle rating | 6,000+ to 80% | 3,500+ to 80% | info |
| Fits | AC200L, AC200MAX, AC300, AC500 (P090D-to-P150D cable sold separately), Apex 300 | AC200MAX, AC200L; AC200P, EB150, EB240 via D050S | info |
| USB-A | 12 W | Not listed | info |
| Weight | 29.5 kg (65.04 lb) | 21.8 kg (48 lb) | info |
| Warranty | 3 + 1 years | 4 years | info |
| USB-C | Not listed | 100 W | info |
| VoltPick score | 4.8/10 | 2.7/10 | 100% |
Where each one comes out ahead
BLUETTI B300K Expansion Battery
Better published figure on: Capacity, Cycle rating.
What we like
- Fits five BLUETTI stations
- 6,000+ cycles to 80%
Watch out for
- Lowest Wh/kg here
BLUETTI B230 Expansion Battery
Better published figure on: Energy per kg.
What we like
- USB-C, USB-A and 12 V outlets of its own
- Fits older BLUETTI stations
Watch out for
- Heavy for 2 kWh
- Older models need the D050S
Verdict
B300K adds 717 Wh and a 6,000-cycle rating; B230 is 7.7 kg lighter and fits older stations through the D050S.
- BLUETTI B300K Expansion Battery: BLUETTI: B300K
- BLUETTI B230 Expansion Battery: BLUETTI: B230
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