MPPT solar charger controller for lithium batteries model MPT 7210A1 - Function and compatibility - Supports lithium battery output at 24, 36, 48, 60, or 72 V - Charging current up to 10 A - MPPT control maximizes solar charging efficiency across varying light conditions - Build and performance - Aluminum alloy housing for durability and heat dissipation - Compact size and lightweight for easy installation - Size and weight - Dimensions: 131 x 96 x 55 mm (5.2 x 3.8 x 2.2 in) - Weight: 384 g (13.56 oz) - What's included - 1 x MPPT solar controller - 1 x English user manual - Use scenarios - Off-grid cabin with a 48 V lithium battery bank and a small solar array - RV, boat, or van setups using 24–72 V lithium packs up to 10 A - Remote maintenance site or shed with space constraints and solar charging needs - Why it helps - Provides efficient, compatible charging from solar to multi-voltage lithium packs - Compact, durable solution for space-limited installations with straightforward setup