Bluetti B300K 2764.8Wh Expansion Battery
£480.00
Sale price
£480.00
Regular price
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Bluetti B300K 2764.8Wh Expansion Battery
£480.00
Sale price
£480.00
Regular price
Shipping calculated at checkout.
B300K
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Description
Bluetti B300K Expansion Battery (2 764.8 Wh)
The B300K is a modular expansion battery that boosts the capacity of Bluetti power stations such as the AC200L, AC200MAX, AC300 and AC500. Its 2 764.8 Wh LiFePO₄ pack delivers over 4 000 life cycles, providing reliable backup during outages. When paired with the AC500, it allows systems to reach 16 588 Wh for off‑grid or home backup needs. Automotive‑grade LiFePO₄ cells offer enhanced safety, and the battery features a USB‑A port for standalone device charging. A 3+1‑year warranty underscores long‑term reliability.
Key specifications
| Spec | Value |
|---|---|
| Model | B300K |
| Battery capacity | 2 764.8 Wh (51.2 V, 54 Ah), expandable to 16 588 Wh with AC500 |
| Battery type | LiFePO₄ (Lithium Iron Phosphate) |
| Life cycles | 4 000+ cycles to 80 % original capacity |
| Compatibility | AC200L, AC200MAX, AC300, AC500 and future modules |
| USB‑A output | 12 W max (5 V / 2.4 A) |
| Built‑in port | USB‑A for charging small devices |
| Net weight | Approx. 29.5 kg (65.04 lbs) |
| Dimensions (L × W × H) | 525 × 327 × 209 mm (20.67 × 12.87 × 8.23 in) |
| Charging temperature | 0 °C to 40 °C (32 °F to 104 °F) |
| Discharging temperature | −20 °C to 40 °C (−4 °F to 104 °F) |
| Storage temperature | Up to 1 month: −20 °C to 40 °C (−4 °F to 104 °F); up to 6 months: −20 °C to 25 °C (−4 °F to 77 °F) |
| Working humidity | 5 % to 95 % RH |
| Charging current | 60 A max (may decrease outside specified temperatures) |
| Discharging current | 70 A max |
| Expansion ports | 2 × expansion port (58.4 V DC, 90 A max) |
| Warranty | 3 + 1 years |
In The Box:
Maximise your Bluetti setup. Add the B300K expansion battery to your Energian basket and unlock bigger capacity with a robust 3+1‑year warranty.
Return policy
Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.