Battery buying guide
iTechworld 12V 100Ah lithium battery
The lowest entry cost we would still put on a boat. Cycle life is claimed, not something we have verified.
Specifications and model checks
| Nameplate capacity | 100 Ah at 12 V |
| Usable capacity | 80 Ah at 80% depth of discharge |
| Chemistry | LiFePO4 (lithium iron phosphate) |
| Pack weight | 11.5 kg |
| BMS continuous discharge | 100 A |
| Claimed cycle life | 2,000 cycles at 80% DoD |
| Warranty | 3 years |
| Bluetooth monitoring | No |
| Low-temperature charge cut-off | Not stated |
| Our bench status | claimed |
This is a brand-and-capacity planning profile, not a verified SKU specification. Confirm the exact model, current datasheet, permitted boat application and warranty with the supplier. Boat Battery has not independently bench-tested this battery. See how we test.
Suitable boat applications
A first lithium battery on a tinnie or bowrider.
Compatibility limits to check
The boat goes offshore, or the bank has to last a decade.
For the brand as a whole — support network, documentation and where it falls short — read the iTechworld review.
Before buying a 12V 100Ah iTechworld battery
Ask for the exact model code and installation manual. Confirm the case fits through the compartment opening with clearance for terminals, cable bends and restraint. Check permitted mounting orientation and environmental limits; capacity alone does not establish suitability for a boat.
Match the battery’s continuous and surge discharge limits to your largest loads, then verify the combined charging current and the response to a BMS disconnect. For multiple packs, obtain the manufacturer’s series or parallel instructions before designing the bank.
On these boats
Boat applications for this battery capacity
At the same capacity
Compare 12V 100Ah lithium battery alternatives
| Battery | Price band | Per usable Ah | Warranty | Bench |
|---|---|---|---|---|
| KickAss 12 V 100 Ah | $550–$780 | $8.31 | 3 yr | claimed |
| Renogy AU 12 V 100 Ah | $600–$850 | $9.06 | 5 yr | claimed |
| Amptron 12 V 100 Ah | $680–$950 | $10.19 | 5 yr | claimed |
| Revolution 12 V 100 Ah | $700–$950 | $10.31 | 4 yr | claimed |
| Invicta 12 V 100 Ah | $900–$1,250 | $13.44 | 5 yr | claimed |
| Enerdrive 12 V 100 Ah | $950–$1,300 | $14.06 | 5 yr | claimed |