Santi Battery 9Ah
Dispatched 1 to 2 days
The Santi Battery 9Ah is flight-friendly, and the smallest battery for heating systems from Santi. It weighs only 1kg and can provide up to 1 hour and 45 minutes of power to the Santi Heated Vest.
Santi Battery 9Ah – Lightweight Power for Heated Gear
The Santi Battery 9Ah is the smallest and most flight-friendly power source in the Blue Power range. Weighing only 1kg, this compact unit provides reliable power for your Santi heating system without adding unnecessary bulk.
It uses advanced lithium-ion cells known for their exceptional discharge capabilities. Consequently, the battery supports devices with a combined power consumption of up to 150W. This ensures seamless connectivity and warmth during your most demanding cold-water dives.
Ergonomic Design and Simple Operation
Santi houses this battery in an ergonomic casing featuring a durable e/o cord connection. You can activate the unit easily by touching the integrated piezo switch. Once turned on, a distinctive blue light glows on the connector to confirm the power status.
Additionally, the casing includes a convenient belt-attachment cutout for secure mounting. A specialised pressure relief valve on the upper lid enhances safety during pressure changes.
Versatile Heating Compatibility
This 9Ah battery primarily powers Santi heated gloves, heated vests and undersuits, keeping you warm underwater.
However, you can also use it with any torch head fitted with an e/o cord. Ensure the torch does not exceed 150W or a supply voltage of 12.6 V DC. By choosing this battery, you gain a versatile power source for multiple diving accessories.
Santi Battery 9Ah Operating Times
- Heated Gloves (36W): Provides up to 3 hours and 30 minutes of continuous warmth.
- Heated Vest (55W): Delivers reliable heating for approximately 1 hour and 45 minutes.
- Heated Undersuit (110W): Supports heavy-duty thermal protection for 1 full hour.
- Vest with Gloves (91W): Powers both essential items for 1 hour and 30 minutes.
- Undersuit with Gloves (146W): Offers maximum warmth for 45 minutes at peak consumption.
Want to know which batteries can be used with SANTI heating systems and decide which suits you best? Check out our Comprehensive Review of Batteries for SANTI Heating.
Santi Heating Systems at glance

FULL SPECIFICATIONS
| battery capacity | 9 Ah |
| battery energy | 94 Wh |
| output voltage on 1st stage | there is only one stage: 12,6 V (fully charged) |
| output voltage on 2nd stage | |
| nominal voltage on battery | 12 V |
| type of cell | Li-Ion |
| height | 180mm |
| maximum diameter | 69 mm |
| construction material | Polyacetal / POM / Delrin® |
| length of E/O cord | 60 cm |
| max. power of the heating set | 146 W |
| full charge time | 2–3 h |
| maximum diving depth | 100 m |
| weight | 1 kg |
SHIPPING & RATES
You can find our current shipping rates in our Shipping Policy & Rates.
We aim to dispatch all in-stock items within 2 working days. The Dispatch Days listed in our product listings refer to working days.
We will inform you of approximate delivery times should any item on your order be out of stock or on supplier backorder due to current manufacturing or transport delays caused by global shortages and/or impeded production.
INTERNATIONAL EXCEPTIONS
Please contact us in advance for a shipping quote before placing an international order for weights, cylinders (excluding suit inflation bottles), and Suex scooters. These products are not included in our global max-capped shipping rates.
They are only shipped outside the UK mainland after the freight cost is calculated based on the parcel's total weight, dimensions, delivery location, and the courier service used.
RETURNS & REFUNDS
We offer a 30-day return for any product sold under our Returns & Refunds Policy.
Please email us at sales@dirdirect.com with your order number to receive our Returns Authorisation Form and instructions.
Return postages are at your own cost and our outbound shipping costs (if items are sold with integrated basic shipping charges i.e. Free shipping for orders above certain amount) the current UK shipping rate will be deducted from any UK mainland refund unless linked to a fault/defect claim.































