KaHa, the Singapore-based wearable internet-of-things product developer also known as CoveIoT, has received $4.5m in a round that included a $500,000 investment by Titan, a jewellery retail subsidiary of conglomerate Tata Group, Tech in Asia reported on Tuesday. The round also featured Spring Seeds Capital, the venture capital arm of state-owned agency Spring Singapore, and the startup’s existing investors include Jungle Ventures and YourNest.

Limejump, the UK-based operator of an aggregation platform for distributed batteries, doubled the size of a…